IOCTL_CHANGER_GET_ELEMENT_STATUS IOCTL (winioctl.h)
擷取所有專案的狀態,或特定類型的指定專案數目。
若要執行這項作業,請使用下列參數呼叫 DeviceIoControl 函 式。
BOOL DeviceIoControl(
(HANDLE) hDevice, // handle to device
IOCTL_CHANGER_GET_ELEMENT_STATUS, // dwIoControlCode
(LPVOID) lpInBuffer, // input buffer
(DWORD) nInBufferSize, // size of input buffer
(LPVOID) lpOutBuffer, // output buffer
(DWORD) nOutBufferSize, // size of output buffer
(LPDWORD) lpBytesReturned, // number of bytes returned
(LPOVERLAPPED) lpOverlapped // OVERLAPPED structure
);
規格需求
最低支援的用戶端 | Windows XP |
最低支援的伺服器 | Windows Server 2003 |
標頭 | winioctl.h (包含 Windows.h) |