'宣言 Public Event BusyStateChanged As System.EventHandler
'使用法 Dim instance As C1DocumentSource Dim handler As System.EventHandler AddHandler instance.BusyStateChanged, handler
public event System.EventHandler BusyStateChanged
'宣言 Public Event BusyStateChanged As System.EventHandler
'使用法 Dim instance As C1DocumentSource Dim handler As System.EventHandler AddHandler instance.BusyStateChanged, handler
public event System.EventHandler BusyStateChanged