IOCTL_ADAPT_GET_NUMBER_ENDPOINTS

IOCTL_ADAPT_GET_NUMBER_ENDPOINTS

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Description

This command retrieves the number of endpoints enumerated by the current interface / alternate interface setting.

A null pointer is passed as the lpInBuffer parameter to the DeviceIoControl( ) function. Zero is passed as the nInBufferSize parameter.

The address of an unsigned character is passed as the lpOutBuffer parameter to the DeviceIoControl( ) function. The size of the variable (1) is passed in the nOutBufferSize parameter.

Example

DWORD dwBytes = 0;

UCHAR endPts;

DeviceIoControl(hDevice, IOCTL_ADAPT_GET_NUMBER_ENDPOINTS,

            NULL, 0,

            &endPts, sizeof (endPts),

            &dwBytes, NULL);