Fixed SD2-859 - Properties panel in new file dialog not hidden when category changed.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@1945 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/Gui/Dialogs/NewFileDialog.cs

@@ -196,6 +196,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 		void CategoryChange(object sender, TreeViewEventArgs e)
 		{
 			((ListView)ControlDictionary["templateListView"]).Items.Clear();
+			HidePropertyGrid();
 			if (((TreeView)ControlDictionary["categoryTreeView"]).SelectedNode != null) {
 				foreach (TemplateItem item in ((Category)((TreeView)ControlDictionary["categoryTreeView"]).SelectedNode).Templates) {
 					((ListView)ControlDictionary["templateListView"]).Items.Add(item);