diff --git a/Configuration/GlobalAssemblyInfo.cs b/Configuration/GlobalAssemblyInfo.cs
index 1932c640d..3f7252c63 100644
--- a/Configuration/GlobalAssemblyInfo.cs
+++ b/Configuration/GlobalAssemblyInfo.cs
@@ -15,7 +15,7 @@ internal static class RevisionClass
 	public const string Major = "3";
 	public const string Minor = "10";
 	public const string Build = "0";
-	public const string Revision = "3565";
+	public const string Revision = "3569";
 
         public const string MainVersion = Major + "." + Minor;
 	public const string FullVersion = Major + "." + Minor + "." + Build + "." + Revision;
diff --git a/Configuration/Version.defs b/Configuration/Version.defs
index 524cea035..df4c97322 100644
--- a/Configuration/Version.defs
+++ b/Configuration/Version.defs
@@ -1,4 +1,4 @@
 %MINOR%=10
-%REVISION%=3565
+%REVISION%=3569
 %COREVERSION%=0
 %MAJOR%=3
diff --git a/Release/pabcversion.txt b/Release/pabcversion.txt
index ff3cb138c..05b93e56f 100644
--- a/Release/pabcversion.txt
+++ b/Release/pabcversion.txt
@@ -1 +1 @@
-3.10.0.3565
+3.10.0.3569
diff --git a/ReleaseGenerators/PascalABCNET_version.nsh b/ReleaseGenerators/PascalABCNET_version.nsh
index 44353f83c..091d00edf 100644
--- a/ReleaseGenerators/PascalABCNET_version.nsh
+++ b/ReleaseGenerators/PascalABCNET_version.nsh
@@ -1 +1 @@
-!define VERSION '3.10.0.3565'
+!define VERSION '3.10.0.3569'
diff --git a/TestSuite/CompilationSamples/PABCExtensions.pas b/TestSuite/CompilationSamples/PABCExtensions.pas
index 78ab568ac..fd1f72816 100644
--- a/TestSuite/CompilationSamples/PABCExtensions.pas
+++ b/TestSuite/CompilationSamples/PABCExtensions.pas
@@ -457,7 +457,7 @@ end;
 // Важнейший для новых множеств !!!
 {procedure operator:=<T>(var Self: NewSet<T>; st: NewSet<T>); extensionmethod;
 begin
-  Self.hs := new HashSet<T>(st.hs);
+  Self._hs := new HashSet<T>(st.hs);
 end;}
 
 {procedure operator:=<T>(var Self: NewSet<T>; st: NewSetEmpty); extensionmethod;
@@ -468,89 +468,89 @@ end;}
 // Extension-методы для новых множеств
 function operator implicit(n: NewSet<integer>): NewSet<byte>; extensionmethod;
 begin
-  foreach var x in n.hs do
+  foreach var x in n._hs do
     if (x >= byte.MinValue) and (x <= byte.MaxValue) then
-      Result.hs.Add(x)
+      Result._hs.Add(x)
     else raise new System.ArgumentException(GetTranslation(OUT_OF_TYPE_RANGE_IN_SET_ASSIGNMENT));
 end;
 
 function operator implicit(n: NewSet<integer>): NewSet<shortint>; extensionmethod;
 begin
-  foreach var x in n.hs do
+  foreach var x in n._hs do
     if (x >= shortint.MinValue) and (x <= shortint.MaxValue) then
-      Result.hs.Add(x)
+      Result._hs.Add(x)
     else raise new System.ArgumentException(GetTranslation(OUT_OF_TYPE_RANGE_IN_SET_ASSIGNMENT));
 end;
 
 function operator implicit(n: NewSet<integer>): NewSet<smallint>; extensionmethod;
 begin
-  foreach var x in n.hs do
+  foreach var x in n._hs do
     if (x >= smallint.MinValue) and (x <= smallint.MaxValue) then
-      Result.hs.Add(x)
+      Result._hs.Add(x)
     else raise new System.ArgumentException(GetTranslation(OUT_OF_TYPE_RANGE_IN_SET_ASSIGNMENT));
 end;
 
 function operator implicit(n: NewSet<integer>): NewSet<word>; extensionmethod;
 begin
-  foreach var x in n.hs do
+  foreach var x in n._hs do
     if (x >= word.MinValue) and (x <= word.MaxValue) then
-      Result.hs.Add(x)
+      Result._hs.Add(x)
     else raise new System.ArgumentException(GetTranslation(OUT_OF_TYPE_RANGE_IN_SET_ASSIGNMENT));
 end;
 
 function operator implicit(n: NewSet<integer>): NewSet<longword>; extensionmethod;
 begin
-  foreach var x in n.hs do
+  foreach var x in n._hs do
     if (x >= longword.MinValue) and (x <= longword.MaxValue) then
-      Result.hs.Add(x)
+      Result._hs.Add(x)
     else raise new System.ArgumentException(GetTranslation(OUT_OF_TYPE_RANGE_IN_SET_ASSIGNMENT));
 end;
 
 function operator implicit(n: NewSet<integer>): NewSet<int64>; extensionmethod;
 begin
-  foreach var x in n.hs do
-    Result.hs.Add(x)
+  foreach var x in n._hs do
+    Result._hs.Add(x)
 end;
 
 function operator implicit(n: NewSet<integer>): NewSet<uint64>; extensionmethod;
 begin
-  foreach var x in n.hs do
+  foreach var x in n._hs do
     if x >= 0 then
-      Result.hs.Add(x)
+      Result._hs.Add(x)
     else raise new System.ArgumentException(GetTranslation(OUT_OF_TYPE_RANGE_IN_SET_ASSIGNMENT));
 end;
 
-function NSToInts(ns: NewSet<byte>) := ns.hs.Select(x -> integer(x));
-function NSToInts(ns: NewSet<shortint>) := ns.hs.Select(x -> integer(x));
-function NSToInts(ns: NewSet<smallint>) := ns.hs.Select(x -> integer(x));
-function NSToInts(ns: NewSet<word>) := ns.hs.Select(x -> integer(x));
+function NSToInts(ns: NewSet<byte>) := ns._hs.Select(x -> integer(x));
+function NSToInts(ns: NewSet<shortint>) := ns._hs.Select(x -> integer(x));
+function NSToInts(ns: NewSet<smallint>) := ns._hs.Select(x -> integer(x));
+function NSToInts(ns: NewSet<word>) := ns._hs.Select(x -> integer(x));
 //function NSToInts(ns: NewSet<longword>) := ns._hs.Select(x -> integer(x));
 //function NSToInts(ns: NewSet<int64>) := ns._hs.Select(x -> integer(x));
-function NSToInts64(ns: NewSet<byte>) := ns.hs.Select(x -> int64(x));
-function NSToInts64(ns: NewSet<integer>) := ns.hs.Select(x -> int64(x));
-function NSToBytes(ns: NewSet<integer>) := ns.hs.Select(x -> byte(x));
-function NSToBytes(ns: NewSet<int64>) := ns.hs.Select(x -> byte(x));
+function NSToInts64(ns: NewSet<byte>) := ns._hs.Select(x -> int64(x));
+function NSToInts64(ns: NewSet<integer>) := ns._hs.Select(x -> int64(x));
+function NSToBytes(ns: NewSet<integer>) := ns._hs.Select(x -> byte(x));
+function NSToBytes(ns: NewSet<int64>) := ns._hs.Select(x -> byte(x));
 
 // Надо set of integer со всеми
-function operator=(a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a.hs.SetEquals(NSToInts(b));
+function operator=(a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a._hs.SetEquals(NSToInts(b));
 function operator=(a: NewSet<byte>; b: NewSet<integer>): boolean; extensionmethod := b = a;
-function operator=(a: NewSet<integer>; b: NewSet<shortint>); extensionmethod := a.hs.SetEquals(NSToInts(b));
+function operator=(a: NewSet<integer>; b: NewSet<shortint>); extensionmethod := a._hs.SetEquals(NSToInts(b));
 function operator=(a: NewSet<shortint>; b: NewSet<integer>): boolean; extensionmethod := b = a;
-function operator=(a: NewSet<integer>; b: NewSet<smallint>); extensionmethod := a.hs.SetEquals(NSToInts(b));
+function operator=(a: NewSet<integer>; b: NewSet<smallint>); extensionmethod := a._hs.SetEquals(NSToInts(b));
 function operator=(a: NewSet<smallint>; b: NewSet<integer>): boolean; extensionmethod := b = a;
-function operator=(a: NewSet<integer>; b: NewSet<word>); extensionmethod := a.hs.SetEquals(NSToInts(b));
+function operator=(a: NewSet<integer>; b: NewSet<word>); extensionmethod := a._hs.SetEquals(NSToInts(b));
 function operator=(a: NewSet<word>; b: NewSet<integer>): boolean; extensionmethod := b = a;
 
 // В этом случае integer и longword не вкладываются друг в друга
 function operator=(a: NewSet<integer>; b: NewSet<longword>): boolean; extensionmethod;
 begin
   var hsInt64: HashSet<int64>;
-  hsInt64 := new HashSet<int64>(b.hs.Select(x -> int64(x)));
-  Result := hsInt64.SetEquals(a.hs.Select(x -> int64(x)));
+  hsInt64 := new HashSet<int64>(b._hs.Select(x -> int64(x)));
+  Result := hsInt64.SetEquals(a._hs.Select(x -> int64(x)));
 end;  
 
 function operator=(a: NewSet<longword>; b: NewSet<integer>): boolean; extensionmethod := b = a;
-function operator=(a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a.hs.SetEquals(NSToInts64(b));
+function operator=(a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a._hs.SetEquals(NSToInts64(b));
 function operator=(a: NewSet<integer>; b: NewSet<int64>): boolean; extensionmethod := b = a;
 
 // Здесь оба типа нельзя расширить до общего типа, и есть проблема
@@ -582,43 +582,43 @@ function operator<>(a: NewSet<integer>; b: NewSet<int64>); extensionmethod := no
 function operator<>(a: NewSet<integer>; b: NewSet<uint64>); extensionmethod := not(a = b);
 function operator<>(a: NewSet<uint64>; b: NewSet<integer>); extensionmethod := not(a = b);
 
-function operator<(a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a.hs.IsProperSubsetOf(NSToInts(b));
+function operator<(a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a._hs.IsProperSubsetOf(NSToInts(b));
 function operator<(a: NewSet<byte>; b: NewSet<integer>); extensionmethod := b > a;
-function operator<(a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a.hs.IsProperSubsetOf(NSToInts64(b));
+function operator<(a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a._hs.IsProperSubsetOf(NSToInts64(b));
 function operator<(a: NewSet<integer>; b: NewSet<int64>); extensionmethod := b > a;
   
-function operator>(a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a.hs.IsProperSupersetOf(NSToInts(b));
+function operator>(a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a._hs.IsProperSupersetOf(NSToInts(b));
 function operator>(a: NewSet<byte>; b: NewSet<integer>); extensionmethod := b < a;
-function operator>(a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a.hs.IsProperSupersetOf(NSToInts64(b));
+function operator>(a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a._hs.IsProperSupersetOf(NSToInts64(b));
 function operator>(a: NewSet<integer>; b: NewSet<int64>); extensionmethod := b < a;
 
-function operator<=(a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a.hs.IsSubsetOf(NSToInts(b));
+function operator<=(a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a._hs.IsSubsetOf(NSToInts(b));
 function operator<=(a: NewSet<byte>; b: NewSet<integer>); extensionmethod := b >= a;
-function operator<=(a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a.hs.IsSubsetOf(NSToInts64(b));
+function operator<=(a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a._hs.IsSubsetOf(NSToInts64(b));
 function operator<=(a: NewSet<integer>; b: NewSet<int64>); extensionmethod := b >= a;
 
-function operator>=(a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a.hs.IsSupersetOf(NSToInts(b));
+function operator>=(a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a._hs.IsSupersetOf(NSToInts(b));
 function operator>=(a: NewSet<byte>; b: NewSet<integer>); extensionmethod := b <= a;
-function operator>=(a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a.hs.IsSupersetOf(NSToInts64(b));
+function operator>=(a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a._hs.IsSupersetOf(NSToInts64(b));
 function operator>=(a: NewSet<integer>; b: NewSet<int64>); extensionmethod := b <= a;
 
-procedure operator*=(var a: NewSet<byte>; b: NewSet<integer>); extensionmethod := a.hs.IntersectWith(NSToBytes(b));
-procedure operator*=(var a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a.hs.IntersectWith(NSToInts(b));
-procedure operator*=(var a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a.hs.IntersectWith(NSToInts64(b));
+procedure operator*=(var a: NewSet<byte>; b: NewSet<integer>); extensionmethod := a._hs.IntersectWith(NSToBytes(b));
+procedure operator*=(var a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a._hs.IntersectWith(NSToInts(b));
+procedure operator*=(var a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a._hs.IntersectWith(NSToInts64(b));
 //procedure operator*=(var a: NewSet<integer>; b: NewSet<int64>); extensionmethod := a._hs.IntersectWith(NSToInts(b));
 
 //procedure operator*=(var a: NewSet<byte>; b: NewSet<int64>); extensionmethod := a._hs.IntersectWith(NSToBytes(b));
 //procedure operator*=(var a: NewSet<int64>; b: NewSet<byte>); extensionmethod := a._hs.IntersectWith(NSToInts64(b));
-procedure operator+=(var a: NewSet<byte>; b: NewSet<integer>); extensionmethod := a.hs.UnionWith(NSToBytes(b));
-procedure operator+=(var a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a.hs.UnionWith(NSToInts(b));
-procedure operator+=(var a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a.hs.UnionWith(NSToInts64(b));
+procedure operator+=(var a: NewSet<byte>; b: NewSet<integer>); extensionmethod := a._hs.UnionWith(NSToBytes(b));
+procedure operator+=(var a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a._hs.UnionWith(NSToInts(b));
+procedure operator+=(var a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a._hs.UnionWith(NSToInts64(b));
 //procedure operator+=(var a: NewSet<integer>; b: NewSet<int64>); extensionmethod := a._hs.UnionWith(NSToInts(b));
-procedure operator+=(var a: NewSet<byte>; b: NewSet<int64>); extensionmethod := a.hs.UnionWith(NSToBytes(b));
-procedure operator+=(var a: NewSet<int64>; b: NewSet<byte>); extensionmethod := a.hs.UnionWith(NSToInts64(b));
+procedure operator+=(var a: NewSet<byte>; b: NewSet<int64>); extensionmethod := a._hs.UnionWith(NSToBytes(b));
+procedure operator+=(var a: NewSet<int64>; b: NewSet<byte>); extensionmethod := a._hs.UnionWith(NSToInts64(b));
 
-procedure operator-=(var a: NewSet<byte>; b: NewSet<integer>); extensionmethod := a.hs.ExceptWith(NSToBytes(b));
-procedure operator-=(var a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a.hs.ExceptWith(NSToInts(b));
-procedure operator-=(var a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a.hs.ExceptWith(NSToInts64(b));
+procedure operator-=(var a: NewSet<byte>; b: NewSet<integer>); extensionmethod := a._hs.ExceptWith(NSToBytes(b));
+procedure operator-=(var a: NewSet<integer>; b: NewSet<byte>); extensionmethod := a._hs.ExceptWith(NSToInts(b));
+procedure operator-=(var a: NewSet<int64>; b: NewSet<integer>); extensionmethod := a._hs.ExceptWith(NSToInts64(b));
 //procedure operator-=(var a: NewSet<integer>; b: NewSet<int64>); extensionmethod := a._hs.ExceptWith(NSToInts(b));
 
 
@@ -686,7 +686,7 @@ begin
 end;
 
 // и для массивов столько же
-function operator=(a: NewSet<integer>; b: array of byte); extensionmethod := a.hs.SetEquals(b.Select(x -> integer(x)));
+function operator=(a: NewSet<integer>; b: array of byte); extensionmethod := a._hs.SetEquals(b.Select(x -> integer(x)));
 function operator=(a: array of byte; b: NewSet<integer>): boolean; extensionmethod := b = a;
 function operator=(a: array of int64; b: NewSet<integer>); extensionmethod := a.ToHashSet.SetEquals(NSToInts64(b));
 function operator=(a: NewSet<integer>; b: array of int64): boolean; extensionmethod := b = a;
diff --git a/TestSuite/CompilationSamples/PABCSystem.pas b/TestSuite/CompilationSamples/PABCSystem.pas
index 3be1c8f8c..94a925d95 100644
--- a/TestSuite/CompilationSamples/PABCSystem.pas
+++ b/TestSuite/CompilationSamples/PABCSystem.pas
@@ -490,14 +490,14 @@ type
   private
   public
     ///--
-    hs := new HashSet<T>;
+    _hs := new HashSet<T>;
     ///--
-    {function hs: HashSet<T>;
+    function hs: HashSet<T>;
     begin
       if _hs = nil then
         _hs := new HashSet<T>;
       Result := _hs;
-    end;}
+    end;
     constructor (params a: array of T);
     begin
       hs.UnionWith(a);
@@ -506,7 +506,7 @@ type
     function System.Collections.IEnumerable.GetEnumerator: System.Collections.IEnumerator := GetEnumerator;
     static function operator implicit(a: array of T): NewSet<T>; 
     begin 
-      Result.hs := new HashSet<T>(a);
+      Result._hs := new HashSet<T>(a);
     end;
     function ToString: string; override;
     function Count: integer := hs.Count;
@@ -549,10 +549,10 @@ type
       Result.hs.UnionWith(ns);
     end;
 
-    static function operator implicit(ns: NewSetEmpty): NewSet<T>; begin end; 
-    static function operator:=(var Self: NewSet<T>; st: NewSet<T>): NewSet<T>; 
+    static function operator implicit(ns: NewSetEmpty): NewSet<T>; begin end;
+    static function operator:=(var s: NewSet<T>; st: NewSet<T>): NewSet<T>; 
     begin
-      Self.hs := new HashSet<T>(st.hs);
+      s._hs := new HashSet<T>(st.hs);
     end;
   end;
   
@@ -577,11 +577,11 @@ type
     static function operator*(first, second: NewSetEmpty): NewSetEmpty := new NewSetEmpty;
     static function operator+<T>(first: NewSetEmpty; second: array of T): NewSet<T>;
     begin 
-      Result.hs.UnionWith(second);
+      Result._hs.UnionWith(second);
     end;
     static function operator+<T>(first: array of T; second: NewSetEmpty): NewSet<T>;
     begin 
-      Result.hs.UnionWith(first);
+      Result._hs.UnionWith(first);
     end;
     static function operator+<T>(first: NewSet<T>; second: NewSetEmpty): NewSet<T> := first;
     static function operator+<T>(first: NewSetEmpty; second: NewSet<T>): NewSet<T> := second;
@@ -595,7 +595,7 @@ type
     static function operator-<T>(first: NewSetEmpty; second: array of T): NewSet<T>; begin end;
     static function operator-<T>(first: array of T; second: NewSetEmpty): NewSet<T>;
     begin 
-      Result.hs.UnionWith(first);
+      Result._hs.UnionWith(first);
     end;
     function ToString: string; override := '{}';
     function ToSet<T>(): NewSet<T>; begin end; 
@@ -15413,14 +15413,14 @@ function EmptySet := _emptyset;
 [SetCreatorFunction]
 function __NewSetCreatorInternal<T>(params a: array of T): NewSet<T>;
 begin
-  Result.hs := new HashSet<T>;
-  Result.hs.UnionWith(a);
+  Result._hs := new HashSet<T>;
+  Result._hs.UnionWith(a);
 end; 
 
 [SetCreatorFunction]
 function __NSetInteger(a: array of integer; dd: array of integer): NewSet<integer>;
 begin
-  Result.hs.UnionWith(a);
+  Result._hs.UnionWith(a);
   var n := dd.Length;
   for var i:=0 to n-1 step 2 do
   begin
@@ -15432,7 +15432,7 @@ end;
 [SetCreatorFunction]
 function __NSetChar(a: array of char; dd: array of char): NewSet<char>;
 begin
-  Result.hs.UnionWith(a);
+  Result._hs.UnionWith(a);
   var n := dd.Length;
   for var i:=0 to n-1 step 2 do
   begin
@@ -15444,7 +15444,7 @@ end;
 [SetCreatorFunction]
 function __NSetBoolean(a: array of boolean; dd: array of boolean): NewSet<boolean>;
 begin
-  Result.hs.UnionWith(a);
+  Result._hs.UnionWith(a);
   var n := dd.Length;
   for var i:=0 to n-1 step 2 do
   begin
@@ -15456,7 +15456,7 @@ end;
 [SetCreatorFunction]
 function __NSetEnum<T>(a: array of T; dd: array of T): NewSet<T>;
 begin
-  Result.hs.UnionWith(a);
+  Result._hs.UnionWith(a);
   var vals := System.Enum.GetValues(typeof(T)).Cast&<T>.ToArray;
   var n := dd.Length;
   for var i:=0 to n-1 step 2 do
@@ -15478,49 +15478,49 @@ end;
 function operator implicit(n: array of integer): set of byte; extensionmethod;
 begin
   foreach var x in n do
-    Result.hs.Add(x);
+    Result._hs.Add(x);
 end;
 
 function operator implicit(n: array of integer): set of shortint; extensionmethod;
 begin
   foreach var x in n do
-    Result.hs.Add(x);
+    Result._hs.Add(x);
 end;
 
 function operator implicit(n: array of integer): set of smallint; extensionmethod;
 begin
   foreach var x in n do
-    Result.hs.Add(x);
+    Result._hs.Add(x);
 end;
 
 function operator implicit(n: array of integer): set of word; extensionmethod;
 begin
   foreach var x in n do
-    Result.hs.Add(x);
+    Result._hs.Add(x);
 end;
 
 function operator implicit(n: array of integer): set of longword; extensionmethod;
 begin
   foreach var x in n do
-    Result.hs.Add(x);
+    Result._hs.Add(x);
 end;
 
 function operator implicit(a: array of integer): set of int64; extensionmethod;
 begin
   foreach var x in a do
-    Result.hs.Add(x);
+    Result._hs.Add(x);
 end;
 
 function operator implicit(a: array of integer): set of uint64; extensionmethod;
 begin
   foreach var x in a do
-    Result.hs.Add(x);
+    Result._hs.Add(x);
 end;
 
 function operator implicit(a: array of integer): set of BigInteger; extensionmethod;
 begin
   foreach var x in a do
-    Result.hs.Add(x);
+    Result._hs.Add(x);
 end;  
 
 //function operator implicit<T>(ns: NewSetEmpty): NewSet<T>; extensionmethod; begin end; 
diff --git a/TestSuite/generics4.pas b/TestSuite/generics4.pas
index f94be4d71..9490888e7 100644
--- a/TestSuite/generics4.pas
+++ b/TestSuite/generics4.pas
@@ -11,6 +11,8 @@ begin
   assert(set1.set1 = []);
   assert(set1.set2 = []);
   set2 := set1;
+  Include(set1.set1,'b');
+  Include(set1.set2,'b');
   Include(set2.set1,'b');
   Include(set2.set2,'b');
   assert(set1.set1 = ['b']); // увы - при присваивании не вызывается operator := для компонент
diff --git a/TreeConverter/TreeConversion/syntax_tree_visitor.cs b/TreeConverter/TreeConversion/syntax_tree_visitor.cs
index 1951ad714..497676e76 100644
--- a/TreeConverter/TreeConversion/syntax_tree_visitor.cs
+++ b/TreeConverter/TreeConversion/syntax_tree_visitor.cs
@@ -15617,14 +15617,27 @@ namespace PascalABCCompiler.TreeConverter
             else if (expr is common_static_method_call)
             {
                 var csmc = expr as common_static_method_call;
-                var properties = new List<common_property_node>();
-                foreach (common_property_node cpn in csmc.function_node.cont_type.properties)
-                    if (cpn.get_function == csmc.function_node && cpn.set_function == null)
+                if (csmc.function_node.cont_type != null)
+                {
+                    foreach (common_property_node cpn in csmc.function_node.cont_type.properties)
+                        if (cpn.get_function == csmc.function_node && cpn.set_function == null)
+                        {
+                            constant = new common_static_method_call_as_constant(csmc, null);
+                            break;
+                        }
+                }
+                else
+                {
+                    var values = (csmc.parameters[0] as array_initializer).element_values;
+                    // Надо компоненты проверять на константность
+                    foreach (expression_node en in values)
                     {
-                        constant = new common_static_method_call_as_constant(csmc, null);
-                        break;
+                        if (!(en is constant_node))
+                            AddError(loc, "CONSTANT_EXPRESSION_EXPECTED");
                     }
-
+                    constant = new common_static_method_call_as_constant(csmc, loc);
+                    return constant;
+                }
             }
             else
             {