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WIA.DeviceCount
Queries number of devices.
Component | Version | macOS | Windows | Linux | Server | iOS SDK |
WIA | 6.5 | ❌ No | ✅ Yes | ❌ No | ❌ No | ❌ No |
MBS( "WIA.DeviceCount" )
Parameters
none
Result
Returns number or error.
Description
Queries number of devices.Examples
Walk over list of devices and query properties:
Go to Layout [“WIA Scan” (WIA Scan)]
Delete All Records [No dialog]
Set Variable [$c; Value:MBS("WIA.DeviceCount")]
If [MBS("IsError")]
Show Custom Dialog ["Error"; $c]
Else
If [$c > 0]
Set Variable [$i; Value:0]
Loop
Perform Script [“List Properties”; Parameter: $i]
#Next
Set Variable [$i; Value:$i + 1]
Exit Loop If [$i >= $c]
End Loop
End If
End If
See also
Example Databases
This function checks for a license.
Created 6th November 2016, last changed 6th November 2016
