Fixed exception when QuickClassBrowserPanel panel was refreshing while a partial class was updated by the parser thread.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.0@1143 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/Services/ParserService/DefaultProjectContent.cs

@@ -300,6 +300,7 @@ namespace ICSharpCode.Core
 				CompoundClass compound = GetClassInternal(fullyQualifiedName, addClass.TypeParameters.Count, language) as CompoundClass;
 				if (compound != null) {
 					// possibly replace existing class (look for CU with same filename)
+					lock (compound) {
 						for (int i = 0; i < compound.Parts.Count; i++) {
 							if (compound.Parts[i].CompilationUnit.FileName == addClass.CompilationUnit.FileName) {
 								compound.Parts[i] = addClass;
@@ -310,6 +311,7 @@ namespace ICSharpCode.Core
 						}
 						compound.Parts.Add(addClass);
 						compound.UpdateInformationFromParts();
+					}
 					LoggingService.Debug("Added new part!");
 					return;
 				} else {
@@ -460,6 +462,7 @@ namespace ICSharpCode.Core
 				// Use "as" cast to fix SD2-680: the stored class might be a part not marked as partial
 				CompoundClass compound = GetClassInternal(fullyQualifiedName, @class.TypeParameters.Count, language) as CompoundClass;
 				if (compound == null) return;
+				lock (compound) {
 					compound.Parts.Remove(@class);
 					if (compound.Parts.Count > 0) {
 						compound.UpdateInformationFromParts();
@@ -468,6 +471,7 @@ namespace ICSharpCode.Core
 						@class = compound; // all parts removed, remove compound class
 					}
 				}
+			}
 			
 			IClass classInDictionary;
 			if (!GetClasses(language).TryGetValue(fullyQualifiedName, out classInDictionary)) {

src/Main/Base/Project/Src/TextEditor/Gui/Editor/QuickClassBrowserPanel.cs

@@ -345,6 +345,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 					}
 				}
 				
+				lock (c) {
 					int lastIndex = 0;
 					IComparer comparer = new Comparer(System.Globalization.CultureInfo.InvariantCulture);
 					
@@ -371,6 +372,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 					}
 					items.Sort(lastIndex, c.Events.Count, comparer);
 					lastIndex = items.Count;
+				}
 				
 				membersComboBox.BeginUpdate();
 				membersComboBox.Items.Clear();