internal static void FocusLine(IVsTextView viewAdapter, int line, int col) {
ErrorHandler.ThrowOnFailure(viewAdapter.SetCaretPos(line, col));
// Make sure that the text is visible.
int topline = line - 10;
if(topline < 0)
topline = 0;
viewAdapter.SetTopLine(topline);
viewAdapter.CenterLines(line, 1);
}