public override void Init()
{
base.Init();
MessageListUserControl messageListUserControl = new MessageListUserControl();
messageListUserControl.Init();
_elementHost.Child = messageListUserControl;
}
public override void Close()
{
base.Close();
MessageListUserControl messageListUserControl = _elementHost.Child as MessageListUserControl;
if (messageListUserControl != null)
{
messageListUserControl.Close();
_elementHost.Child = null;
}
}
