public void StreamComment()
{
if (string.IsNullOrEmpty(_streamCommentPrefix) || string.IsNullOrEmpty(_streamCommentSufix))
return;
NativeScintilla.BeginUndoAction();
Range selRange = Scintilla.Selection.Range;
Scintilla.InsertText(selRange.Start, _streamCommentPrefix);
Scintilla.InsertText(selRange.End+ _streamCommentPrefix.Length, _streamCommentSufix);
selRange.End += _streamCommentPrefix.Length + _streamCommentSufix.Length;
selRange.Select();
NativeScintilla.EndUndoAction();
}