QPix Command Reference
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QPx_AcqGetDeviceList(acqProtocol; deviceNames):error | |||
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acqProtocol | Longint | Acquisition protocol ID |
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deviceNames | Array text | Array of device names |
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error | Longint | Error result |
Returns all devices that are available through a specific acquisition protocol.
Parameter acqProtocol is the protocol for which to return the device list. It can be one of the acquisition protocol ID constants:
qpx_AcqTWAINProtocol | 1 | TWAIN identifier |
qpx_AcqPictureTransferProtocol | 2 | Picture Transfer Protocol identifier |
qpx_AcqVideoProtocol | 4 | Video acquisition protocol identifier |
Parameter deviceNames is a text array that receives the names of all devices that are available through acqProtocol.
If the specified protocol is not available on the current machine and OS, error qpx_couldntGetRequiredComponent is returned.
Related commands
QPx_AcqTestProtocol | Tests if an acquisition protocol is available on the current machine and OS |
QPx_AcqSelectDevice | Displays the acquisition protocol and device selection dialog. |