Partager via

IOCTL_SD_BUS_DRIVER_SLOT_CARD_SELECT (Compact 2013)

  • Article

3/26/2014

This I/O control message selects a secure digital (SD) card, multimedia card (MMC), secure digital input output (SDIO) card, Combo card, or Multifunction card. Send this message with DeviceIoControl.

Syntax

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

Parameters

  • hDevice
    The handle to the bus driver.
  • dwIoControlCode
    [in] Control code for the operation. Use IOCTL_SD_BUS_DRIVER_SLOT_CARD_SELECT for this operation.
  • lpInBuffer
    [in] Pointer to a DWORD variable that indicates the slot to select.
  • nInBufferSize
    [in] Size of the value pointed to by lpInBuffer.
  • lpOutBuffer
    [out] Not used; set to NULL.
  • nOutBufferSize
    [in] Not used; set to zero.
  • lpBytesReturned
    [out] Not used; set to NULL.
  • lpOverlapped
    Ignored.

Return Values

Returns TRUE if successful; otherwise, returns FALSE.

Remarks

To get extended error information, call GetLastError. GetLastError may return other standard error messages as appropriate.

Requirements

Header

sdcardddk.h

See Also

Reference

Secure Digital (SD) Card Driver IOCTLs