'宣言 Public ReadOnly Property ActionHandler As ActionHandlerBase
'使用法 Dim instance As DocumentActionEventArgs Dim value As ActionHandlerBase value = instance.ActionHandler
public ActionHandlerBase ActionHandler {get;}
'宣言 Public ReadOnly Property ActionHandler As ActionHandlerBase
'使用法 Dim instance As DocumentActionEventArgs Dim value As ActionHandlerBase value = instance.ActionHandler
public ActionHandlerBase ActionHandler {get;}