private void Cell_MouseLeave(object sender, MouseEventArgs e)
{
if (_isMouseLeftButtonDown)
{
CalendarDayButton b = sender as CalendarDayButton;
//The button is in Pressed state. Change the state to normal.
b.ReleaseMouseCapture();
//null check is added for unit tests
if (_downEventArg != null)
{
b.SendMouseUpEvent(_downEventArg);
}
this._lastCalendarDayButton = b;
}
}
