如何检查事件是否被处理 [英] How to check event if event is handled or not

问题描述

朋友们，
我需要测试事件中是否已经存在事件处理功能.请查看代码，
启用

Hi friends,
I need to test if the the event handling function is already present in the event. Please see the code,

public bool enabled
       {
           set
           {
               if (enabled)
                   dgDrugs.CellValueChanged  += new DataGridViewCellEventHandler(dgDrugs_CellValueChanged);
               else
                   dgDrugs.CellValueChanged -= new DataGridViewCellEventHandler(dgDrugs_CellValueChanged);
           }
           get
           {
// here I want the code to test if it cell value changed is  passed or not
               if (dgDrugs.CellValueChanged is dgDrugs_CellValueChanged)
                   return true;
               else
                   return false;
           }
       }

谢谢您的帮助...
关于

Thank you for the help...
Regards

推荐答案

所有ya''都需要做.

That all ya'' need to do.

return ( dgDrugs.CellValueChanged != null );

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