FSCTL_QUERY_REGION_INFO IOCTL (winioctl.h)

检索为支持数据分层的卷定义的存储层区域。

若要执行此操作，请使用以下参数调用 DeviceIoControl 函数。

BOOL DeviceIoControl(
  (HANDLE) hDevice,             // handle to device
  FSCTL_QUERY_REGION_INFO,      // dwIoControlCode
  (LPDWORD) lpInBuffer,         // input buffer
  (DWORD) nInBufferSize,        // size of input buffer
  (LPDWORD) lpOutBuffer,        // output buffer
  (DWORD) nOutBufferSize,       // size of output buffer
  (LPDWORD) lpBytesReturned,    // number of bytes returned
  (LPOVERLAPPED) lpOverlapped   // OVERLAPPED structure
);

要求

另请参阅

• DeviceIoControl