RxUsbQueryVersion

Obtains the version numbers of the USB Resource Manager components.

Syntax
rc = RxUsbQueryVersion(DLLMajor,DLLMinor,USBMajor,USBMinor)

Parameters

 * DLLMajor : receives the usbcalls.dll major version.
 * DLLMinor : receives the usbcalls.dll minor version.
 * USBMajor : receives the usbresmg.sys major version.
 * USBMinor : receives the usbresmg.sys minor version.

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

Example Code
/* add RxUsbQueryVersion */ rc = RxFuncAdd('RxUsbQueryVersion','usbcalls','RxUsbQueryVersion') say '+RxUsbQueryVersion,RC=0x'd2x(rc)

/* invoke RxUsbQueryVersion */ drop DLLMajor DLLMinor /* receives usbcalls version */ drop USBMajor USBMinor /* receives usbresmg version */ rc = RxUsbQueryVersion(DLLMajor,DLLMinor,USBMajor,USBMinor) say '*RxUsbQueryVersion,RC=0x'd2x(rc) say 'USBCALLS 'DLLMajor'.'DLLMinor say 'USBRESMG 'USBMajor'.'USBMinor

/* drop RxUsbQueryVersion */ rc = RxFuncDrop('RxUsbQueryVersion') say '-RxUsbQueryVersion,

Related Functions

 * RxUsbQueryNumberDevices
 * RxUsbRegisterChangeNotification
 * RxUsbRegisterDeviceNotification
 * RxUsbOpen