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IOCTL_CHANGER_GET_ELEMENT_STATUS IOCTL (winioctl.h)

Retrieves the status of all elements or a specified number of elements of a particular type.

To perform this operation, call the DeviceIoControl function with the following parameters.

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
);

Requirements

Requirement Value
Minimum supported client Windows XP
Minimum supported server Windows Server 2003
Header winioctl.h (include Windows.h)

See also

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