在属性窗体的事件名称里双击事件名称就可以创建一个事件处理代码，这时代码后置文件会在代码编辑器中打开。
To create an event handler with the default name, you just double-click the event name in the Properties window. The event handler is created and the code-behind file is opened in the code editor.
RegionDoubleClick事件允许用户双击一个日程表日期，自动打开新的约会表单。
The RegionDoubleClick event allows users to double-click a calendar date and automatically launch the new appointment form.
若要创建事件处理程序，请按enter或双击值列。
To create the event handler, press ENTER or double-click the value column.
如果已通过使用此属性增加了分隔符的宽度，则当用户双击分隔符与相邻列之间的边界时，会发生此事件。
If the width of a divider has been increased through the use of this property, this event occurs when the user double-clicks the boundary between the divider and the adjacent column.
还可以更新好友列表，响应用户双击的事件，并得到好友的编号，把聊天界面加入到管理类，设置密码保护等。
You can also update the buddy list, double-click response to user events, and get the number of friends to join the chat interface to the management class, set password protection.
还可以更新好友列表，响应用户双击的事件，并得到好友的编号，把聊天界面加入到管理类，设置密码保护等。
You can also update the buddy list, double-click response to user events, and get the number of friends to join the chat interface to the management class, set password protection.
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