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WIA.DeviceCount

Queries number of devices.

Parameters

none

Result

Returns number or error.

Description

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

• IsError

Example Databases

• DynaPDF/Scan with WIA to PDF
• Win Only/WIA Scan

Created 6th November 2016, last changed 6th November 2016

WIA.ClearCurrentDevice   -   WIA.DeviceProperties

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