Fixed forum-13600: CenterViewOn does not work for newly opened documents

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@2126 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

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

@@ -442,9 +442,14 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 		#region IPositionable implementation
 		public void JumpTo(int line, int column)
 		{
-			textAreaControl.ActiveTextAreaControl.CenterViewOn(
-				line, (int)(0.3 * textAreaControl.ActiveTextAreaControl.TextArea.TextView.VisibleLineCount));
 			textAreaControl.ActiveTextAreaControl.JumpTo(line, column);
+			
+			// we need to delay this call here because the text editor does not know its height if it was just created
+			WorkbenchSingleton.SafeThreadAsyncCall(
+				delegate {
+					textAreaControl.ActiveTextAreaControl.CenterViewOn(
+						line, (int)(0.3 * textAreaControl.ActiveTextAreaControl.TextArea.TextView.VisibleLineCount));
+				});
 		}
 		
 		public int Line {