Fixed SD2-1291: Duplicate breakpoint information stored in project preferences

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.1@2361 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/Gui/WorkbenchSingleton.cs

@@ -71,6 +71,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 			StatusBarService.Initialize();
 			DomHostCallback.Register(); // must be called after StatusBarService.Initialize()
 			ParserService.InitializeParserService();
+			Bookmarks.BookmarkManager.Initialize();
 			Project.CustomToolsService.Initialize();
 			
 			workbench = new DefaultWorkbench();

src/Main/Base/Project/Src/TextEditor/Bookmarks/BookmarkManager.cs

@@ -51,6 +51,20 @@ namespace ICSharpCode.SharpDevelop.Bookmarks
 			OnRemoved(new BookmarkEventArgs(bookmark));
 		}
 		
+		public static void Clear()
+		{
+			while (bookmarks.Count > 0) {
+				SDBookmark b = bookmarks[bookmarks.Count - 1];
+				bookmarks.RemoveAt(bookmarks.Count - 1);
+				OnRemoved(new BookmarkEventArgs(b));
+			}
+		}
+		
+		internal static void Initialize()
+		{
+			Project.ProjectService.SolutionClosing += delegate { Clear(); };
+		}
+		
 		static void OnRemoved(BookmarkEventArgs e) 
 		{
 			if (Removed != null) {
@@ -58,7 +72,6 @@ namespace ICSharpCode.SharpDevelop.Bookmarks
 			}
 		}
 		
-		
 		static void OnAdded(BookmarkEventArgs e) 
 		{
 			if (Added != null) {