public void Dispose()
{
if (_leave != null)
{
_leave();
_leave = null;
}
}
/// <summary>
///
/// </summary>
/// <param name="enter">null ok</param>
/// <param name="leave">null ok</param>
public EnterLeave(EnterLeave_d enter, EnterLeave_d leave)
{
if (enter != null)
{
enter();
}
_leave = leave;
}
