3072383106
Сделан новый проект VisualPABCLinux И пришлось склонировать PluginsSupport, поскольку он вносит зависимость по редактору Компоненты WeifenLuo для Linux надо после перекомпиляции скопировать в Libraries - подшить их к основному проекту просто не получилось
618 lines
24 KiB
C#
618 lines
24 KiB
C#
//------------------------------------------------------------------------------
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/// <copyright from='1997' to='2002' company='Microsoft Corporation'>
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/// Copyright (c) Microsoft Corporation. All Rights Reserved.
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///
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/// This source code is intended only as a supplement to Microsoft
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/// Development Tools and/or on-line documentation. See these other
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/// materials for detailed information regarding Microsoft code samples.
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///
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/// </copyright>
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//------------------------------------------------------------------------------
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using System;
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using System.Collections;
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using System.ComponentModel;
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using System.ComponentModel.Design;
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using System.Drawing;
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using System.Data;
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using System.Windows.Forms;
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using System.Drawing.Design;
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using System.Windows.Forms.Design;
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using System.IO;
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using System.Reflection;
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namespace SampleDesignerApplication1
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{
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/// Our implementation of a toolbox. We kept the actual toolbox control
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/// separate from the IToolboxService, but the toolbox could easily
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/// implement the service itself. Note that IToolboxUser does not pertain
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/// to the toolbox, but instead is implemented by the designers that receive
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/// ToolboxItems.
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public class ToolboxPane : System.Windows.Forms.UserControl
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{
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private SampleDesignerHost.SampleDesignerHost host;
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private System.Windows.Forms.ListBox listData;
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private System.Windows.Forms.ListBox listCustomControls;
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private System.Windows.Forms.ListBox listWindowsForms;
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private System.Windows.Forms.ListBox listComponents;
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private System.Windows.Forms.TabPage tabWindowsForms;
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private System.Windows.Forms.TabPage tabComponents;
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private System.Windows.Forms.TabPage tabData;
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private System.Windows.Forms.TabPage tabCustomControls;
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private System.Windows.Forms.TabControl tabControl;
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private ToolboxItem pointer; // a "null" tool
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private int selectedIndex; // the index of the currently selected tool
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private bool initialPaint = true; // see ToolboxPane_Paint method
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// We load types into our categories in a rather primitive way. It is easier than
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// dealing with type resolution, but we can only do this since our list of tools
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// is standard and unchanging.
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//
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private Type[] windowsFormsToolTypes = new Type[] {
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typeof(System.Windows.Forms.PropertyGrid),
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typeof(System.Windows.Forms.Label),
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typeof(System.Windows.Forms.LinkLabel),
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typeof(System.Windows.Forms.Button),
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typeof(System.Windows.Forms.TextBox),
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typeof(System.Windows.Forms.CheckBox),
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typeof(System.Windows.Forms.RadioButton),
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typeof(System.Windows.Forms.GroupBox),
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typeof(System.Windows.Forms.PictureBox),
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typeof(System.Windows.Forms.Panel),
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typeof(System.Windows.Forms.DataGrid),
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typeof(System.Windows.Forms.ListBox),
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typeof(System.Windows.Forms.CheckedListBox),
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typeof(System.Windows.Forms.ComboBox),
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typeof(System.Windows.Forms.ListView),
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typeof(System.Windows.Forms.TreeView),
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typeof(System.Windows.Forms.TabControl),
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typeof(System.Windows.Forms.DateTimePicker),
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typeof(System.Windows.Forms.MonthCalendar),
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typeof(System.Windows.Forms.HScrollBar),
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typeof(System.Windows.Forms.VScrollBar),
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typeof(System.Windows.Forms.Timer),
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typeof(System.Windows.Forms.Splitter),
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typeof(System.Windows.Forms.DomainUpDown),
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typeof(System.Windows.Forms.NumericUpDown),
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typeof(System.Windows.Forms.TrackBar),
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typeof(System.Windows.Forms.ProgressBar),
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typeof(System.Windows.Forms.RichTextBox),
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typeof(System.Windows.Forms.ImageList),
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typeof(System.Windows.Forms.HelpProvider),
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typeof(System.Windows.Forms.ToolTip),
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typeof(System.Windows.Forms.ToolBar),
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typeof(System.Windows.Forms.StatusBar),
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typeof(System.Windows.Forms.UserControl),
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typeof(System.Windows.Forms.NotifyIcon),
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typeof(System.Windows.Forms.OpenFileDialog),
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typeof(System.Windows.Forms.SaveFileDialog),
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typeof(System.Windows.Forms.FontDialog),
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typeof(System.Windows.Forms.ColorDialog),
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typeof(System.Windows.Forms.PrintDialog),
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typeof(System.Windows.Forms.PrintPreviewDialog),
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typeof(System.Windows.Forms.PrintPreviewControl),
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typeof(System.Windows.Forms.ErrorProvider),
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typeof(System.Drawing.Printing.PrintDocument),
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typeof(System.Windows.Forms.PageSetupDialog)
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};
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private Type[] componentsToolTypes = new Type[] {
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typeof(System.IO.FileSystemWatcher),
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typeof(System.Diagnostics.Process),
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typeof(System.Timers.Timer)
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};
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private Type[] dataToolTypes = new Type[] {
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typeof(System.Data.OleDb.OleDbCommandBuilder),
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typeof(System.Data.OleDb.OleDbConnection),
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typeof(System.Data.SqlClient.SqlCommandBuilder),
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typeof(System.Data.SqlClient.SqlConnection),
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};
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private System.ComponentModel.Container components = null;
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public ToolboxPane()
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{
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// This call is required by the Windows.Forms Form Designer.
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InitializeComponent();
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pointer = new ToolboxItem();
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pointer.DisplayName = "<Pointer>";
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pointer.Bitmap = new Bitmap(16, 16);
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// Populate our tool lists.
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FillToolbox();
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ListBox list = this.tabControl.SelectedTab.Controls[0] as ListBox;
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}
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/// Clean up any resources being used.
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protected override void Dispose( bool disposing )
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{
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if( disposing )
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{
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if(components != null)
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{
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components.Dispose();
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}
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}
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base.Dispose( disposing );
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}
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// Properties
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/// We need access to the designers.
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public SampleDesignerHost.SampleDesignerHost Host
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{
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get
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{
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return host;
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}
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set
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{
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host = value;
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}
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}
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/// The currently selected tool is defined by our currently selected
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/// category (ListBox) and our selectedIndex member.
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public ToolboxItem SelectedTool
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{
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get
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{
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ListBox list = this.tabControl.SelectedTab.Controls[0] as ListBox;
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return list.Items[selectedIndex] as ToolboxItem;
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}
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}
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/// The name of our selected category (Windows Forms, Components, etc.)
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/// This property (and the next few) are all in place to support
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/// methods of the IToolboxService.
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public string SelectedCategory
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{
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get
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{
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return tabControl.SelectedTab.Text;
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}
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}
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/// The names of all our categories.
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public CategoryNameCollection CategoryNames
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{
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get
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{
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string[] categories = new string[tabControl.TabPages.Count];
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for (int i = 0; i < tabControl.TabPages.Count; i++)
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{
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categories[i] = tabControl.TabPages[i].Text;
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}
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return new CategoryNameCollection(categories);
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}
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}
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// Methods
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/// The IToolboxService has methods for getting tool collections using
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/// an optional category parameter. We support that request here.
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public ToolboxItemCollection GetToolsFromCategory(string category)
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{
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foreach (TabPage tab in tabControl.TabPages)
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{
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if (tab.Text == category)
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{
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ListBox list = tab.Controls[0] as ListBox;
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ToolboxItem[] tools = new ToolboxItem[list.Items.Count];
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list.Items.CopyTo(tools, 0);
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return new ToolboxItemCollection(tools);
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}
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}
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return null;
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}
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/// Get all of our tools.
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public ToolboxItemCollection GetAllTools()
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{
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ArrayList toolsAL = new ArrayList();
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foreach (TabPage tab in tabControl.TabPages)
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{
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ListBox list = tab.Controls[0] as ListBox;
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toolsAL.Add(list.Items);
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}
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ToolboxItem[] tools = new ToolboxItem[toolsAL.Count];
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toolsAL.CopyTo(tools);
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return new ToolboxItemCollection(tools);
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}
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/// Resets the selection to the pointer. Note that this is the only method
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/// which allows our IToolboxService to set our selection. It calls this method
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/// after a tool has been used.
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public void SelectPointer()
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{
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ListBox list = this.tabControl.SelectedTab.Controls[0] as ListBox;
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list.Invalidate(list.GetItemRectangle(selectedIndex));
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selectedIndex = 0;
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list.SelectedIndex = 0;
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list.Invalidate(list.GetItemRectangle(selectedIndex));
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}
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#region Component Designer generated code
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/// Required method for Designer support - do not modify
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/// the contents of this method with the code editor.
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private void InitializeComponent()
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{
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this.listData = new System.Windows.Forms.ListBox();
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this.listCustomControls = new System.Windows.Forms.ListBox();
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this.listWindowsForms = new System.Windows.Forms.ListBox();
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this.listComponents = new System.Windows.Forms.ListBox();
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this.tabWindowsForms = new System.Windows.Forms.TabPage();
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this.tabComponents = new System.Windows.Forms.TabPage();
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this.tabData = new System.Windows.Forms.TabPage();
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this.tabCustomControls = new System.Windows.Forms.TabPage();
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this.tabControl = new System.Windows.Forms.TabControl();
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this.tabWindowsForms.SuspendLayout();
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this.tabComponents.SuspendLayout();
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this.tabData.SuspendLayout();
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this.tabCustomControls.SuspendLayout();
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this.tabControl.SuspendLayout();
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this.SuspendLayout();
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//
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// listData
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//
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this.listData.BackColor = System.Drawing.Color.LightSlateGray;
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this.listData.Dock = System.Windows.Forms.DockStyle.Fill;
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this.listData.DrawMode = System.Windows.Forms.DrawMode.OwnerDrawVariable;
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this.listData.Location = new System.Drawing.Point(0, 0);
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this.listData.Name = "listData";
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this.listData.Size = new System.Drawing.Size(280, 468);
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this.listData.TabIndex = 0;
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this.listData.KeyDown += new System.Windows.Forms.KeyEventHandler(this.list_KeyDown);
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this.listData.MouseDown += new System.Windows.Forms.MouseEventHandler(this.list_MouseDown);
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this.listData.MeasureItem += new System.Windows.Forms.MeasureItemEventHandler(this.list_MeasureItem);
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this.listData.DrawItem += new System.Windows.Forms.DrawItemEventHandler(this.list_DrawItem);
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//
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// listCustomControls
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//
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this.listCustomControls.BackColor = System.Drawing.Color.LightSlateGray;
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this.listCustomControls.Dock = System.Windows.Forms.DockStyle.Fill;
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this.listCustomControls.DrawMode = System.Windows.Forms.DrawMode.OwnerDrawVariable;
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this.listCustomControls.Location = new System.Drawing.Point(0, 0);
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this.listCustomControls.Name = "listCustomControls";
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this.listCustomControls.Size = new System.Drawing.Size(280, 508);
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this.listCustomControls.TabIndex = 0;
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this.listCustomControls.KeyDown += new System.Windows.Forms.KeyEventHandler(this.list_KeyDown);
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this.listCustomControls.MouseDown += new System.Windows.Forms.MouseEventHandler(this.list_MouseDown);
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this.listCustomControls.MeasureItem += new System.Windows.Forms.MeasureItemEventHandler(this.list_MeasureItem);
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this.listCustomControls.DrawItem += new System.Windows.Forms.DrawItemEventHandler(this.list_DrawItem);
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//
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// listWindowsForms
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//
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this.listWindowsForms.AllowDrop = true;
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this.listWindowsForms.BackColor = System.Drawing.Color.LightSlateGray;
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this.listWindowsForms.Dock = System.Windows.Forms.DockStyle.Fill;
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this.listWindowsForms.DrawMode = System.Windows.Forms.DrawMode.OwnerDrawVariable;
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this.listWindowsForms.Location = new System.Drawing.Point(0, 0);
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this.listWindowsForms.Name = "listWindowsForms";
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this.listWindowsForms.Size = new System.Drawing.Size(280, 508);
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this.listWindowsForms.TabIndex = 0;
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this.listWindowsForms.KeyDown += new System.Windows.Forms.KeyEventHandler(this.list_KeyDown);
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this.listWindowsForms.MouseDown += new System.Windows.Forms.MouseEventHandler(this.list_MouseDown);
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this.listWindowsForms.MeasureItem += new System.Windows.Forms.MeasureItemEventHandler(this.list_MeasureItem);
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this.listWindowsForms.DrawItem += new System.Windows.Forms.DrawItemEventHandler(this.list_DrawItem);
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//
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// listComponents
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//
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this.listComponents.BackColor = System.Drawing.Color.LightSlateGray;
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this.listComponents.Dock = System.Windows.Forms.DockStyle.Fill;
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this.listComponents.DrawMode = System.Windows.Forms.DrawMode.OwnerDrawVariable;
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this.listComponents.Location = new System.Drawing.Point(0, 0);
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this.listComponents.Name = "listComponents";
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this.listComponents.Size = new System.Drawing.Size(280, 468);
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this.listComponents.TabIndex = 0;
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this.listComponents.KeyDown += new System.Windows.Forms.KeyEventHandler(this.list_KeyDown);
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this.listComponents.MouseDown += new System.Windows.Forms.MouseEventHandler(this.list_MouseDown);
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this.listComponents.MeasureItem += new System.Windows.Forms.MeasureItemEventHandler(this.list_MeasureItem);
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this.listComponents.DrawItem += new System.Windows.Forms.DrawItemEventHandler(this.list_DrawItem);
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//
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// tabWindowsForms
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//
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this.tabWindowsForms.BackColor = System.Drawing.Color.LightSlateGray;
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this.tabWindowsForms.Controls.AddRange(new System.Windows.Forms.Control[] {
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this.listWindowsForms});
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this.tabWindowsForms.Location = new System.Drawing.Point(4, 40);
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this.tabWindowsForms.Name = "tabWindowsForms";
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this.tabWindowsForms.Size = new System.Drawing.Size(280, 508);
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this.tabWindowsForms.TabIndex = 0;
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this.tabWindowsForms.Text = "Windows Forms";
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//
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// tabComponents
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//
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this.tabComponents.BackColor = System.Drawing.Color.LightSlateGray;
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this.tabComponents.Controls.AddRange(new System.Windows.Forms.Control[] {
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this.listComponents});
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this.tabComponents.Location = new System.Drawing.Point(4, 40);
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this.tabComponents.Name = "tabComponents";
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this.tabComponents.Size = new System.Drawing.Size(280, 468);
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this.tabComponents.TabIndex = 1;
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this.tabComponents.Text = "Components";
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//
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// tabData
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//
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this.tabData.BackColor = System.Drawing.Color.LightSlateGray;
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this.tabData.Controls.AddRange(new System.Windows.Forms.Control[] {
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this.listData});
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this.tabData.Location = new System.Drawing.Point(4, 40);
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this.tabData.Name = "tabData";
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this.tabData.Size = new System.Drawing.Size(280, 468);
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this.tabData.TabIndex = 2;
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this.tabData.Text = "Data";
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//
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// tabCustomControls
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//
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this.tabCustomControls.BackColor = System.Drawing.Color.LightSlateGray;
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this.tabCustomControls.Controls.AddRange(new System.Windows.Forms.Control[] {
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this.listCustomControls});
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this.tabCustomControls.Location = new System.Drawing.Point(4, 40);
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this.tabCustomControls.Name = "tabCustomControls";
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this.tabCustomControls.Size = new System.Drawing.Size(280, 508);
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this.tabCustomControls.TabIndex = 3;
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this.tabCustomControls.Text = "Custom Controls";
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//
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// tabControl
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//
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this.tabControl.Controls.AddRange(new System.Windows.Forms.Control[] {
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this.tabWindowsForms,
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this.tabData,
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this.tabComponents,
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this.tabCustomControls});
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this.tabControl.Dock = System.Windows.Forms.DockStyle.Fill;
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this.tabControl.DrawMode = System.Windows.Forms.TabDrawMode.OwnerDrawFixed;
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this.tabControl.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
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this.tabControl.ItemSize = new System.Drawing.Size(99, 18);
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this.tabControl.Location = new System.Drawing.Point(0, 0);
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this.tabControl.Multiline = true;
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this.tabControl.Name = "tabControl";
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this.tabControl.SelectedIndex = 0;
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this.tabControl.Size = new System.Drawing.Size(288, 552);
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this.tabControl.SizeMode = System.Windows.Forms.TabSizeMode.FillToRight;
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this.tabControl.TabIndex = 1;
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this.tabControl.DrawItem += new System.Windows.Forms.DrawItemEventHandler(this.tabControl_DrawItem);
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this.tabControl.SelectedIndexChanged += new System.EventHandler(this.tabControl_SelectedIndexChanged);
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//
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// ToolboxPane
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//
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this.BackColor = System.Drawing.Color.Black;
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this.Controls.AddRange(new System.Windows.Forms.Control[] {
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this.tabControl});
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this.Name = "ToolboxPane";
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this.Size = new System.Drawing.Size(288, 552);
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this.Paint += new System.Windows.Forms.PaintEventHandler(this.ToolboxPane_Paint);
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this.tabWindowsForms.ResumeLayout(false);
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this.tabComponents.ResumeLayout(false);
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this.tabData.ResumeLayout(false);
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this.tabCustomControls.ResumeLayout(false);
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this.tabControl.ResumeLayout(false);
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this.ResumeLayout(false);
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}
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#endregion
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// Fill our ListBoxes with the appropriate ToolboxItems.
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private void FillToolbox()
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{
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foreach (TabPage tab in tabControl.TabPages)
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{
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ListBox list = tab.Controls[0] as ListBox;
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list.Items.Add(pointer);
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}
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foreach (Type type in windowsFormsToolTypes)
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{
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ToolboxItem tbi = new ToolboxItem(type);
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ToolboxBitmapAttribute tba = TypeDescriptor.GetAttributes(type)[typeof(ToolboxBitmapAttribute)] as ToolboxBitmapAttribute;
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if (tba != null)
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{
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tbi.Bitmap = (Bitmap)tba.GetImage(type);
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}
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listWindowsForms.Items.Add(tbi);
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}
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foreach (Type type in componentsToolTypes)
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{
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ToolboxItem tbi = new ToolboxItem(type);
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ToolboxBitmapAttribute tba = TypeDescriptor.GetAttributes(type)[typeof(ToolboxBitmapAttribute)] as ToolboxBitmapAttribute;
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if (tba != null)
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{
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tbi.Bitmap = (Bitmap)tba.GetImage(type);
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}
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listComponents.Items.Add(tbi);
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}
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foreach (Type type in dataToolTypes)
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{
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ToolboxItem tbi = new ToolboxItem(type);
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ToolboxBitmapAttribute tba = TypeDescriptor.GetAttributes(type)[typeof(ToolboxBitmapAttribute)] as ToolboxBitmapAttribute;
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if (tba != null)
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{
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tbi.Bitmap = (Bitmap)tba.GetImage(type);
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}
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listData.Items.Add(tbi);
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}
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}
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// Event Handlers
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/// Each ToolboxItem contains a string and a bitmap. We draw each of these each time
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/// we draw a ListBox item (a tool).
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private void list_DrawItem(object sender, System.Windows.Forms.DrawItemEventArgs e)
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{
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ListBox lbSender = sender as ListBox;
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// If this tool is the currently selected tool, draw it with a highlight.
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if (selectedIndex == e.Index)
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{
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e.Graphics.FillRectangle(Brushes.DarkSlateGray, e.Bounds);
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}
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else
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{
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e.Graphics.FillRectangle(Brushes.LightSlateGray, e.Bounds);
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}
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ToolboxItem tbi = lbSender.Items[e.Index] as ToolboxItem;
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Rectangle BitmapBounds = new Rectangle(e.Bounds.Location.X, e.Bounds.Location.Y, tbi.Bitmap.Width, e.Bounds.Height);
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Rectangle StringBounds = new Rectangle(e.Bounds.Location.X + BitmapBounds.Width, e.Bounds.Location.Y, e.Bounds.Width - BitmapBounds.Width, e.Bounds.Height);
|
|
e.Graphics.DrawImage(tbi.Bitmap, BitmapBounds);
|
|
e.Graphics.DrawString(tbi.DisplayName, lbSender.Font, Brushes.White, StringBounds);
|
|
|
|
}
|
|
|
|
/// We measure each item by taking the combined width of the string and bitmap,
|
|
/// and the greater height of the two.
|
|
private void list_MeasureItem(object sender, System.Windows.Forms.MeasureItemEventArgs e)
|
|
{
|
|
ListBox lbSender = sender as ListBox;
|
|
ToolboxItem tbi = lbSender.Items[e.Index] as ToolboxItem;
|
|
Size textSize = e.Graphics.MeasureString(tbi.DisplayName, lbSender.Font).ToSize();
|
|
e.ItemWidth = tbi.Bitmap.Width + textSize.Width;
|
|
if (tbi.Bitmap.Height > textSize.Height)
|
|
{
|
|
e.ItemHeight = tbi.Bitmap.Height;
|
|
}
|
|
else
|
|
{
|
|
e.ItemHeight = textSize.Height;
|
|
}
|
|
}
|
|
|
|
/// Owner draw for that rainbow look.
|
|
private void tabControl_DrawItem(object sender, System.Windows.Forms.DrawItemEventArgs e)
|
|
{
|
|
TabControl tcSender = sender as TabControl;
|
|
string text = tcSender.TabPages[e.Index].Text;
|
|
Size textSize = e.Graphics.MeasureString(text, tcSender.Font).ToSize();
|
|
|
|
e.Graphics.FillRectangle(Brushes.SteelBlue, e.Bounds);
|
|
//switch (e.Index)
|
|
//{
|
|
// case 0: e.Graphics.FillRectangle(Brushes.SteelBlue, e.Bounds);
|
|
// break;
|
|
// case 1: e.Graphics.FillRectangle(Brushes.Gold, e.Bounds);
|
|
// break;
|
|
// case 2: e.Graphics.FillRectangle(Brushes.Tomato, e.Bounds);
|
|
// break;
|
|
// case 3: e.Graphics.FillRectangle(Brushes.LimeGreen, e.Bounds);
|
|
// break;
|
|
//}
|
|
|
|
Point textLocation = new Point(
|
|
e.Bounds.X + (e.Bounds.Width - textSize.Width) / 2,
|
|
e.Bounds.Y + (e.Bounds.Height - textSize.Height) / 2);
|
|
e.Graphics.DrawString(text, tcSender.Font, Brushes.White, textLocation);
|
|
}
|
|
|
|
/// This method handles a MouseDown event, which might be one of three things:
|
|
/// 1) the start of a single click
|
|
/// 2) the start of a drag
|
|
/// 3) the start of a second of two consecutive clicks (double-click)
|
|
private void list_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
|
|
{
|
|
// Regardless of which kind of click this is, we need to change the selection.
|
|
// First we grab the bounds of the old selected tool so that we can de-higlight it.
|
|
//
|
|
ListBox lbSender = sender as ListBox;
|
|
Rectangle lastSelectedBounds = lbSender.GetItemRectangle(selectedIndex);
|
|
|
|
selectedIndex = lbSender.IndexFromPoint(e.X, e.Y); // change our selection
|
|
lbSender.SelectedIndex = selectedIndex;
|
|
|
|
lbSender.Invalidate(lastSelectedBounds); // clear highlight from last selection
|
|
lbSender.Invalidate(lbSender.GetItemRectangle(selectedIndex)); // highlight new one
|
|
|
|
if (selectedIndex != 0)
|
|
{
|
|
// If this is a double-click, then the user wants to add the selected component
|
|
// to the default location on the designer, with the default size. We call
|
|
// ToolPicked on the current designer (as a IToolboxUser) to place the tool.
|
|
// The IToolboxService calls SelectedToolboxItemUsed(), which calls this control's
|
|
// SelectPointer() method.
|
|
//
|
|
if (e.Clicks == 2)
|
|
{
|
|
IToolboxUser tbu = host.GetDesigner(host.RootComponent) as IToolboxUser;
|
|
if (tbu != null)
|
|
{
|
|
tbu.ToolPicked((ToolboxItem)(lbSender.Items[selectedIndex]));
|
|
}
|
|
}
|
|
// Otherwise this is either a single click or a drag. Either way, we do the same
|
|
// thing: start a drag--if this is just a single click, then the drag will
|
|
// abort as soon as there's a MouseUp event.
|
|
//
|
|
else if (e.Clicks < 2)
|
|
{
|
|
ToolboxItem tbi = lbSender.Items[selectedIndex] as ToolboxItem;
|
|
IToolboxService tbs = ((IServiceContainer)host).GetService(typeof(IToolboxService)) as IToolboxService;
|
|
|
|
// The IToolboxService serializes ToolboxItems by packaging them in DataObjects.
|
|
DataObject d = tbs.SerializeToolboxItem(tbi) as DataObject;
|
|
try
|
|
{
|
|
lbSender.DoDragDrop(d, DragDropEffects.Copy);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Go to the pointer whenever we change categories.
|
|
private void tabControl_SelectedIndexChanged(object sender, System.EventArgs e)
|
|
{
|
|
SelectPointer();
|
|
}
|
|
|
|
/// On our first paint, select the pointer.
|
|
private void ToolboxPane_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
|
|
{
|
|
if (initialPaint)
|
|
{
|
|
SelectPointer();
|
|
}
|
|
initialPaint = false;
|
|
}
|
|
|
|
/// The toolbox can also be navigated using the keyboard commands Up, Down, and Enter.
|
|
private void list_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
|
|
{
|
|
ListBox lbSender = sender as ListBox;
|
|
Rectangle lastSelectedBounds = lbSender.GetItemRectangle(selectedIndex);
|
|
switch (e.KeyCode)
|
|
{
|
|
case Keys.Up: if (selectedIndex > 0)
|
|
{
|
|
selectedIndex--; // change selection
|
|
lbSender.SelectedIndex = selectedIndex;
|
|
lbSender.Invalidate(lastSelectedBounds); // clear old highlight
|
|
lbSender.Invalidate(lbSender.GetItemRectangle(selectedIndex)); // add new one
|
|
}
|
|
break;
|
|
case Keys.Down: if (selectedIndex + 1 < lbSender.Items.Count)
|
|
{
|
|
selectedIndex++; // change selection
|
|
lbSender.SelectedIndex = selectedIndex;
|
|
lbSender.Invalidate(lastSelectedBounds); // clear old highlight
|
|
lbSender.Invalidate(lbSender.GetItemRectangle(selectedIndex)); // add new one
|
|
}
|
|
break;
|
|
case Keys.Enter: IToolboxUser tbu = host.GetDesigner(host.RootComponent) as IToolboxUser;
|
|
if (tbu != null)
|
|
{
|
|
// Enter means place the tool with default location and default size.
|
|
tbu.ToolPicked((ToolboxItem)(lbSender.Items[selectedIndex]));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|