private void rdbtnWPAddStopDevNon_MouseUp(object sender, MouseEventArgs e)
{
RadioGroup radioGroup = sender as RadioGroup;
RadioGroupViewInfo viewInfo = radioGroup.GetViewInfo() as RadioGroupViewInfo;
if (viewInfo.GetItemIndexByPoint(e.Location) == viewInfo.SelectedIndex)
{
radioGroup.SelectedIndex = -1;
viewInfo.HitIndex = -1;
}
}