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