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