private Point GetAdjustedPointFromDocument(ITextRange range)
{
ScrollViewer scrollViewer = CodeEditor.FindDescendant <ScrollViewer>();
range.GetPoint(HorizontalCharacterAlignment.Left, VerticalCharacterAlignment.Bottom, PointOptions.ClientCoordinates, out Point textRangePoint);
return(new Point(textRangePoint.X - scrollViewer.HorizontalOffset, textRangePoint.Y - scrollViewer.VerticalOffset));
}
private Point GetRangePoint(int flags)
{
int x, y;
_range.GetPoint(flags, out x, out y);
return(_document.Control.PointToClient(new Point(x, y)));
}
// this wrapper around ITextRange.GetPoint returns true if GetPoint returned S_OK, false if GetPoint returned S_FALSE,
// or throws an exception for an error hresult.
internal static bool RangeGetPoint(ITextRange range, TomGetPoint type, out int x, out int y)
{
int hr = range.GetPoint(type, out x, out y);
if (hr < 0)
{
Marshal.ThrowExceptionForHR(hr);
}
return hr == 0;
}