Requests a list of PC communications ports with attached scanners. A scanner must be powered on and not be running background utilities to be detected. ScanningManager will go out a genericnd poll all ports on the PC, except those listed in PortsToAvoid.
Note:COM ports between 10 and 256 cannot be used with this method.
See Scanning Manager States and Valid Properties/Methods
See ScanningManager Events and Valid Properties/Methods
HRESULT GetPortsWithScanners([in] long PortsToAvoid, [out, retval] long* PortsWithScanners);
Holds information about ports that should not be polled.
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0 (zero) |
No ports are to be avoided, all ports should be polled. |
If a single port is to be avoided, PortsToAvoid is one of the enumerated values in L_PORT_ENUM.
Do not use L_PORT_USE_CURRENT for GetPortsWithScanners.
If more than one port is to be avoided, the ports are ORed together in PortsToAvoid
For example. If COM2 and COM6 are to be avoided,
PortsToAvoid = L_PORT_COM2 | L_PORT_COM6.
Holds information about the ports where scanners were detected.
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0 (zero) |
No scanners were found. |
If a single scanner is found, PortsWithScanners is one of the enumerated values in L_PORT_ENUM. See above.
If more than one scanner is found, the ports are ORed together and returned in PortsWithScanners.
For example. If scanners are found on COM3 and COM4,
PortsWithScanners = L_PORT_COM3 | L_PORT_COM4.
How to Manage the Connection to ScanTools Plus Link Runtime
ScanningManager.ActiveScanner property
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