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