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Thread: Evaluate a string as vba command??

  1. Apr 22nd, 2011, 03:33 PM #1
    vinz
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    Evaluate a string as vba command??

    Hi,

    How can i do:
    Code:
    A = "msgbox " & chr(34) & "Hello" & chr(34)
ProcEvaluate(A)
    and have VBA to evaluate the string A as a VBA command?

    Evaluate is a common procedure in programming languages.
    Is VBA lacking it?

    Thanks
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  2. Apr 22nd, 2011, 03:46 PM #2
    dmaruca
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    Re: Evaluate a string as vba command??

    Look for Application.Run
    Run a DOS command and capture the output to a string
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  3. Apr 22nd, 2011, 03:56 PM #3
    vinz
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    Re: Evaluate a string as vba command??

    Thanks,

    but Application.Run seems only to run macros.

    Is there a way to run chunks of code?
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  4. Apr 22nd, 2011, 04:00 PM #4
    vinz
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    Re: Evaluate a string as vba command??

    Let me rephrase.

    Suppose you want to create variables

    A1
    A2
    A3
    An

    via FOR loops where i=1 to n

    How would you do?
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  6. Apr 22nd, 2011, 04:39 PM #5
    dmaruca
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    Re: Evaluate a string as vba command??

    That's really script-like. Much like languages that support syntax like "/echo {A{1}}" type expressions. VBA is not that kind of language. You'll want to use arrays and enumerations.
    Run a DOS command and capture the output to a string
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  7. Apr 23rd, 2011, 06:35 AM #6
    westconn1
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    Re: Evaluate a string as vba command??

    research on callbyname
    i do my best to test code works before i post it, but sometimes am unable to do so for some reason, and usually say so if this is the case.
    Note code snippets posted are just that and do not include error handling that is required in real world applications, but avoid On Error Resume Next

    dim all variables as required as often i have done so elsewhere in my code but only posted the relevant part

    come back and mark your original post as resolved if your problem is fixed
    pete
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