UsbQueryVersion
Description
Obtains the version numbers of the USB Resource Manager components.
Syntax
ulrc = UsbQueryVersion(pUsbVersion,pulBufLen)
Parameters
- pUsbVersion
- the address of the buffer to receive the version numbers.
- pulBufLen
- the address of the variable containing the buffer length.
Return Code
0x0000 - NO_ERROR
Errors
0x0057 - ERROR_INVALID_PARAMETER 0x1B58 - USB_NOT_INIT 0xFF13 - ERROR_I24_INVALID_PARAMETER 0xFF1F - ERROR_GEN_FAILURE 0xFF57 - ERROR_INVALID_PARAMETER
Remarks
Example Code
//Code Snippet - UsbQueryVersion
{
APIRET ulrc;
PULONG pulBufLen;
PUSBVERSION pUsbVersion;
ULONG ulBufLen = sizeof(USBVERSION);
USBVERSION UsbVersion;
pulBufLen = &ulBufLen;
pUsbVersion = &UsbVersion;
ulrc = UsbQueryVersion(pUsbVersion,pulBufLen);
printf("\nUsbQueryVersion - ulrc: 0x%04X (%hu)",ulrc,ulrc);
if (!ulrc) //success
{
printf(" - USBCALLS: %hu.%hu",pUsbVersion->DllMajor,pUsbVersion->DllMinor);
printf(" - USBRESMG: %hu.%hu",pUsbVersion->UsbMajor,pUsbVersion->UsbMinor);
}
}