private void OnMouseUp(object sender, MouseButtonEventArgs e)
{
EndAction();
// Clear selection if this was a non-ctrl click outside of any item (i.e. in the background)
Point currentPoint = e.GetPosition(content);
double width = currentPoint.X - startPoint.X + 1;
double height = currentPoint.Y - startPoint.Y + 1;
if (Math.Abs(width) <= SystemParameters.MinimumHorizontalDragDistance &&
Math.Abs(height) <= SystemParameters.MinimumVerticalDragDistance &&
!SelectionMultiple.IsControlKeyDown)
{
treeView.ClearSelection();
}
}
