public static bool ReplaceSelection(this Gtk.TextBuffer buffer, string newText, bool keepSelection = true)
{
bool retval = false;
TextIter start;
TextIter end;
if (buffer.GetSelectionBounds(out start, out end))
{
TextMark startMark = buffer.CreateMark("start", start, false);
TextMark endMark = buffer.CreateMark("end", end, true);
buffer.DeleteSelection(true, true);
TextIter start2 = buffer.GetIterAtMark(startMark);
buffer.Insert(ref start2, newText);
if (keepSelection)
{
TextIter start3 = buffer.GetIterAtMark(startMark);
TextIter end3 = buffer.GetIterAtMark(endMark);
buffer.SelectRange(start3, end3);
}
retval = true;
}
return(retval);
}