Unable to access Excel's Application.ComAddIns property if there are no AddIns installed
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05-07-2019 - |
Question
This code snipped for the Windows Scripting Host displays the number of COM-AddIns currently installed into Excel.
It works fine except for when there are no COM-AddIns installed. I believe it should output a "0", but instead it raises an exception (code 800A03EC). Does anyone know why?
test.vbs
Set objExcel = CreateObject("Excel.Application")
WScript.Echo objExcel.ComAddIns.Count
Solution
Looks like a bug in Excel. You'll probably have to abuse VB's error handling to work around it.
On Error Resume Next
WScript.Echo objExcel.ComAddIns.Count
If Err And Err.Number = 1004 Then
WScript.Echo "No add-ins"
End If
On Error GoTo 0
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