void MoveHighlight(RichTextBoxHighlight highlight, TextPointer startPoint, int length)
{
//find the Run
Run run = null;
//if (startPoint.Paragraph != null)
run = GetRun(startPoint, startPoint.Paragraph);
//else if(startPoint.Parent
// run = GetRun(startPoint, startPoint.Parent);
if (run != null)
{
int start = run.ContentStart.GetOffsetToPosition(startPoint);
highlight.MoveTo(run, start, start + length, adapter.GetIndexOfPointer(run.ContentStart));
}
else
{
//we seem to have lost the adorner but still tracking the highlight, so lose it too
RemoveHighlight(highlight);
}
}
