'宣言 Public Event ContextMenuChanged As System.EventHandler
'使用法 Dim instance As BaseForm Dim handler As System.EventHandler AddHandler instance.ContextMenuChanged, handler
public event System.EventHandler ContextMenuChanged
'宣言 Public Event ContextMenuChanged As System.EventHandler
'使用法 Dim instance As BaseForm Dim handler As System.EventHandler AddHandler instance.ContextMenuChanged, handler
public event System.EventHandler ContextMenuChanged