How do I find a windowclass by using the first 9 letters of the caption?

FindWindow() requires an EXACT match so you'd have to iterate over EVERY single window and check for your criteria...

ok, so then once I find the full caption how can I pull it out and comapare? It is there a Function I can use?

Thanks let me try this.

Very helpful was able to modify the code with little effort to do what I wanted in my code.

*FYI, I think Bob (TheLearnedOne) is the original author of the WindowsEnumerator() class I used:
https://www.experts-exchange.com/questions/23357525/get-all-Window-Handles-hWND-associated-with-a-Process.html

He's posted it in many other PAQs and I picked it up and made minor mods to it...

I got quick question I moved this section below in it's own function to be called upon by a timer and now I get an error aw note declared? I looked high and low and can;t figure out why it not declaring it.

Dim we As New WindowsEnumerator
        Dim DialogWindows As List(Of ApiWindow) = we.GetTopLevelWindows()
        For Each aw In DialogWindows
            If aw.Text.ToLower.StartsWith("abcdefghi") Then
               Label1.text = "Found"
                ' ... do something in here ...

                ' ... possibly use "aw.Handle" ? ....
                ' ... or "aw.ClassName" ? ...

                Exit For
            End If
        Next

Select allOpen in new window

You can change:

    For Each aw In DialogWindows

To:

    For Each aw As ApiWindow In DialogWindows

That worked thanks, man was that a duh momnet on my part. Thanks for the help and the other link too.