WPD_OPERATION_STATES 枚举

WPD_OPERATION_STATES枚举值描述正在进行的操作的当前状态。

语法

typedef enum tagWPD_OPERATION_STATES { 
  WPD_OPERATION_STATE_UNSPECIFIED  = 0,
  WPD_OPERATION_STATE_STARTED      = 1,
  WPD_OPERATION_STATE_RUNNING      = 2,
  WPD_OPERATION_STATE_PAUSED       = 3,
  WPD_OPERATION_STATE_CANCELLED    = 4,
  WPD_OPERATION_STATE_FINISHED     = 5,
  WPD_OPERATION_STATE_ABORTED      = 6
} WPD_OPERATION_STATES;

常量

WPD_OPERATION_STATE_UNSPECIFIED

当前操作处于未指定的状态， (未设置) 且未知。

WPD_OPERATION_STATE_STARTED

操作已启动。

WPD_OPERATION_STATE_RUNNING

操作正在运行。

WPD_OPERATION_STATE_PAUSED

操作已暂停。

WPD_OPERATION_STATE_CANCELLED

操作已取消。

WPD_OPERATION_STATE_FINISHED

操作已完成。

WPD_OPERATION_STATE_ABORTED

操作已中止。

备注

这些值在应用程序定义的回调 (IPortableDeviceEventCallback) 接收。

要求

要求	值
标头	PortableDevice.h

另请参阅

结构和枚举类型