Fixed SD2-483: TreeNode declarations are missing

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@580 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/DisplayBindings/FormDesigner/Project/Src/FormDesigner/DesignerGenerator/CodeDOMGenerator.cs

@@ -28,7 +28,6 @@ using Microsoft.VisualBasic;
 using ICSharpCode.Core;
 using ICSharpCode.FormDesigner.Services;
 
-
 namespace ICSharpCode.FormDesigner
 {
 	/// <summary>
@@ -77,6 +76,7 @@ namespace ICSharpCode.FormDesigner
 		
 		void GenerateComponentCode(IComponent component, TextWriter writer, DesignerSerializationManager serializationManager)
 		{
+			LoggingService.Debug("Generate code for: " + component.Site.Name);
 			Type componentType = component.GetType();
 			ExpressionContext exprContext = new ExpressionContext(new CodeThisReferenceExpression(), componentType, component, component);
 			((IDesignerSerializationManager)serializationManager).Context.Append(exprContext);
@@ -96,13 +96,26 @@ namespace ICSharpCode.FormDesigner
 			foreach (CodeStatement statement in statements) {
 				CodeVariableDeclarationStatement variableDecl = statement as CodeVariableDeclarationStatement;
 				if (variableDecl != null) {
+					LoggingService.Debug("variable declaration: " + variableDecl.Name);
 					if (variableDecl.Name == "resources") {
 						FixResourcesVariableDeclarationStatement(variableDecl);
 					} else {
+						// skip generating the variable declaration if the component is a main
+						// component that gets its own field
+						// TreeNode is an example that does NOT get its own root component!
+						bool foundComponent = false;
+						foreach (IComponent c in host.Container.Components) {
+							if (variableDecl.Name == c.Site.Name) {
+								foundComponent = true;
+								break;
+							}
+						}
+						if (foundComponent) {
 							addedVariables.Add(((CodeVariableDeclarationStatement)statement).Name);
 							continue;
 						}
 					}
+				}
 				
 				// indentation isn't generated when calling GenerateCodeFromStatement
 				writer.Write(options.IndentString);
@@ -113,6 +126,7 @@ namespace ICSharpCode.FormDesigner
 					codeProvider.GenerateCodeFromStatement(new CodeCommentStatement("TODO: Error while generating statement : " + e.Message),
 					                                       writer,
 					                                       options);
+					LoggingService.Error(e);
 				}
 			}
 		}

src/Main/Base/Project/Src/Gui/Pads/DefinitionViewPad.cs

@@ -40,6 +40,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 			ctl.TextEditorProperties = new SharpDevelopTextEditorProperties();
 			ctl.ActiveTextAreaControl.TextArea.DoubleClick += OnDoubleClick;
 			ParserService.ParserUpdateStepFinished += UpdateTick;
+			ctl.VisibleChanged += delegate { UpdateTick(null, null); };
 		}
 		
 		void OnDoubleClick(object sender, EventArgs e)