C#外部控件调用click事件

控件A定义

public event EventHandler Click;

public void DoClick()
{
if (this.Click != null)
{
this.Click(this, new EventArgs());
}
}

外部control定义

private NavBarButton _button;

this._button.Click += new EventHandler
(
delegate(object sender, EventArgs e)
{
if (this._groupState == NavGroupState.collapse)
this.GroupState = NavGroupState.expand;
else
this.GroupState = NavGroupState.collapse;
});

this._button.DoClick();