SerializerWriter.WritingPrintTicketRequired 事件

定义

重要

一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。

在派生类中重写时，恰好在通过 PrintTicket 或 Write 方法将 WriteAsync 添加到流之前发生。

public:
 abstract event System::Windows::Documents::Serialization::WritingPrintTicketRequiredEventHandler ^ WritingPrintTicketRequired;

public abstract event System.Windows.Documents.Serialization.WritingPrintTicketRequiredEventHandler WritingPrintTicketRequired;

member this.WritingPrintTicketRequired : System.Windows.Documents.Serialization.WritingPrintTicketRequiredEventHandler

Public MustOverride Custom Event WritingPrintTicketRequired As WritingPrintTicketRequiredEventHandler

Public MustOverride Event WritingPrintTicketRequired As WritingPrintTicketRequiredEventHandler

事件WritingPrintTicketRequired使事件处理程序能够将新的 PrintTicket 替换为在或 WriteAsync 方法调用中指定的Write方法。