diff --git a/Compiler/PCU/PCUFileFormatVersion.cs b/Compiler/PCU/PCUFileFormatVersion.cs
index 21b3e08fa..cc42464f0 100644
--- a/Compiler/PCU/PCUFileFormatVersion.cs
+++ b/Compiler/PCU/PCUFileFormatVersion.cs
@@ -6,6 +6,6 @@ namespace PascalABCCompiler.PCU
 {
     public static class PCUFileFormatVersion
     {
-        public static System.Int16 Version = 110;
+        public static System.Int16 Version = 112;
     }
 }
diff --git a/Compiler/PCU/PCUReader.cs b/Compiler/PCU/PCUReader.cs
index b52e5d2e1..02d75ba18 100644
--- a/Compiler/PCU/PCUReader.cs
+++ b/Compiler/PCU/PCUReader.cs
@@ -652,6 +652,16 @@ namespace PascalABCCompiler.PCU
 			return sn;
 		}
 		
+        public statement_node GetCodeWithOverridedMethod(common_method_node meth, int offset)
+		{
+			int tmp = (int)br.BaseStream.Position;
+			br.BaseStream.Seek(start_pos+offset,SeekOrigin.Begin);
+			statement_node sn = CreateStatement();
+            meth.overrided_method = GetMethodReference();
+			br.BaseStream.Seek(tmp,SeekOrigin.Begin);
+			return sn;
+		}
+        
         //перейти на указанную позицию в списке импорт. сущ-тей
 		private void SeekInExternal(int pos)
 		{
@@ -1739,7 +1749,8 @@ namespace PascalABCCompiler.PCU
                 cmn.cont_type.static_constr = cmn;
             cmn.num_of_default_variables = br.ReadInt32();
             cmn.num_of_for_cycles = br.ReadInt32();
-            br.ReadBoolean();
+            bool has_overrided_method = br.ReadBoolean();
+            
             int num_var = br.ReadInt32();
             GetVariables(cmn, num_var);
             int num_consts = br.ReadInt32();
@@ -1753,7 +1764,10 @@ namespace PascalABCCompiler.PCU
                 cmn.functions_nodes_list.AddElement(GetNestedFunction());
             //br.ReadInt32();//code;
             cmn.loc = ReadDebugInfo();
-            cmn.function_code = GetCode(br.ReadInt32());
+            if (has_overrided_method)
+                cmn.function_code = GetCodeWithOverridedMethod(cmn, br.ReadInt32());
+            else
+                cmn.function_code = GetCode(br.ReadInt32());
             cmn.cont_type.methods.AddElement(cmn);
             if (cmn.name == "op_Equality")
                 cmn.cont_type.scope.AddSymbol(compiler_string_consts.eq_name, new SymbolInfo(cmn));
diff --git a/Compiler/PCU/PCUWriter.cs b/Compiler/PCU/PCUWriter.cs
index 7e2a86c74..4fb5d3ac5 100644
--- a/Compiler/PCU/PCUWriter.cs
+++ b/Compiler/PCU/PCUWriter.cs
@@ -2843,7 +2843,8 @@ namespace PascalABCCompiler.PCU
 			bw.Write((byte)meth.polymorphic_state);
 			bw.Write(meth.num_of_default_variables);
 			bw.Write(meth.num_of_for_cycles);
-			bw.Write(meth.overrided_method != null);
+			bw.Write(meth.overrided_method != null && meth.name.IndexOf('.') != -1);
+            
             //ssyy-
 			//if (meth.pascal_associated_constructor != null)
 			//{
@@ -3057,6 +3058,8 @@ namespace PascalABCCompiler.PCU
             {
                 VisitStatement(meth.function_code);
             }
+            if (meth.overrided_method != null && meth.name.IndexOf('.') != -1)
+                WriteMethodReference(meth.overrided_method);
             //}
         }
 
diff --git a/NETGenerator/NETGenerator.cs b/NETGenerator/NETGenerator.cs
index 7fd1ad5fd..8297839f4 100644
--- a/NETGenerator/NETGenerator.cs
+++ b/NETGenerator/NETGenerator.cs
@@ -6122,6 +6122,15 @@ namespace PascalABCCompiler.NETGenerator
             cur_meth = tmp;
             il = tmp_il;
             num_scope--;
+            if (value.overrided_method != null && value.name.IndexOf('.') != -1)
+            {
+                MethodInfo mi = null;
+                if (helper.GetMethod(value.overrided_method) != null)
+                    mi = helper.GetMethod(value.overrided_method).mi;
+                else
+                    mi = (value.overrided_method as ICompiledMethodNode).method_info;
+                cur_type.DefineMethodOverride(methb, mi);
+            }
         }
 
         private MethInfo ConvertMethodWithNested(SemanticTree.ICommonMethodNode meth, ConstructorBuilder methodb)
diff --git a/TestSuite/explicitinterface.pas b/TestSuite/explicitinterface.pas
index fe7f3c607..0c5a47336 100644
--- a/TestSuite/explicitinterface.pas
+++ b/TestSuite/explicitinterface.pas
@@ -1,6 +1,9 @@
-type
+type
   IEnr = System.Collections.IEnumerator;
   IEnb = System.Collections.IEnumerable;
+  TRec = record
+    a: integer;
+  end;
   
   var a : integer;
   type My = class(IEnumerable<integer>)
@@ -15,7 +18,18 @@ type
     end;
     
   end;
-  
+  My2 = class(IEnumerable<TRec>)
+  public
+    function IEnb.GetEnumerator(): IEnr;
+    begin
+      a := 1;
+    end;
+    function GetEnumerator(): IEnumerator<TRec>;
+    begin
+      a := 2;
+    end;
+    
+  end;
 begin
 var ien: IEnb := new My;
 ien.GetEnumerator;
@@ -27,4 +41,8 @@ a := 0;
 var mc := new My;
 mc.GetEnumerator();
 assert(a=2);
+var ien3: IEnumerable<TRec> := new My2;
+a := 0;
+ien3.GetEnumerator();
+assert(a=2);
 end.
\ No newline at end of file
diff --git a/TestSuite/explicitinterface3.pas b/TestSuite/explicitinterface3.pas
new file mode 100644
index 000000000..b95f35e95
--- /dev/null
+++ b/TestSuite/explicitinterface3.pas
@@ -0,0 +1,34 @@
+var s: string;
+
+type
+  IWindow = interface
+    procedure Menu;
+  end;
+  IRestaurant = interface
+    procedure Menu;
+  end;
+  RestaurantSystem = class(IWindow,IRestaurant)
+  public
+    procedure Menu; virtual;
+    begin
+      s := 'RestaurantSystem.Menu';
+    end;
+    procedure IWindow.Menu;
+    begin
+      s := 'IWindow.Menu';
+    end;
+    procedure IRestaurant.Menu;
+    begin
+      s := 'IRestaurant.Menu';
+    end;
+  end;
+  
+begin
+  var r := new RestaurantSystem;
+  r.Menu;
+  assert(s = 'RestaurantSystem.Menu');
+  IWindow(r).Menu;
+  assert(s = 'IWindow.Menu');
+  IRestaurant(r).Menu;
+  assert(s = 'IRestaurant.Menu');
+end.
\ No newline at end of file
diff --git a/TreeConverter/TreeConversion/compilation_context.cs b/TreeConverter/TreeConversion/compilation_context.cs
index 1cc3d63de..a87620893 100644
--- a/TreeConverter/TreeConversion/compilation_context.cs
+++ b/TreeConverter/TreeConversion/compilation_context.cs
@@ -2723,7 +2723,8 @@ namespace PascalABCCompiler.TreeConverter
                                 }
                                 else
                                 {
-                                    fn_common.SetName(meth.name);
+                                    if (fn_common.name.IndexOf('.') == -1)
+                                        fn_common.SetName(meth.name);
                                     fn_common.name_case_fixed = true;
                                 }
 
@@ -2790,6 +2791,8 @@ namespace PascalABCCompiler.TreeConverter
                     //Делаем её virtual final
                     commn.is_final = true;
                     commn.newslot_awaited = true;
+                    if (commn.name.IndexOf('.') != -1)
+                        commn.overrided_method = meth;
                 }
             }
             else