c# 事件传参

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public class SeatChoosenEventArgs : EventArgs    {        public 呼叫中心工号核对表Entity SeatChoosen;    }  public partial class UCSeatIcon : UserControl{     private 呼叫中心工号核对表Entity _entity;
     public event EventHandler<SeatChoosenEventArgs> SeatChoosenEvent;     private void pictureBox1_Click(object sender, EventArgs e)        {            if (SeatChoosenEvent != null)            {                SeatChoosenEvent(this, new SeatChoosenEventArgs() { SeatChoosen = _entity });            }        }   }

public partial class UCSeatDetailNew : UserControl{      UCSeatIcon1.SeatChoosenEvent += UCSeatChoose_SeatChoosenEvent;           public void UCSeatChoose_SeatChoosenEvent(object sender, SeatChoosenEventArgs e)        {            //if (SeatChoosenEvent != null)            //{            //    SeatChoosenEvent(sender, e);            //}            呼叫中心工号核对表Entity t =  e.SeatChoosen;            UCSeatIcon seatIcon = (UCSeatIcon)sender;            ActivePeople(seatIcon);        }}

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