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