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SetCurrentDirectoryA Doesn't Work

I'm trying to dynamically configure the working directory by calling the external kernel32 SetCurrentDirectoryA function, but no matter what I pass in as the path, it always seems to return false. What would make that happen? I'm using PB 12.6 classic on Win 10 desktop.

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2 Answers

  • Best Answer
    Jun 22, 2017 at 06:46 PM

    You have to declare the function such that PowerBuilder is treating the string as ANSI, i.e.,

    FUNCTION long GetCurrentDirectory( long length , ref string path) LIBRARY "KERNEL32" ALIAS "GetCurrentDirectoryA;ANSI"

    Alteratively, you could simply call GetCurrentDirectoryW as that would bypass the conversion.

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    Former Member
    Jun 22, 2017 at 07:10 PM

    Why not just use the PB directory function instead of calling the windows api?

    also PB is moving on:


    ChangeDirectory PowerScript function


    Changes the current directory.


    ChangeDirectory ( directoryname )



    directoryname String for the name of the directory you want to set as the current directory

    Return Values

    Integer. Returns 1 if the function succeeds and -1 if an error occurs.


    This example changes the current directory to the parent directory of the current directory and displays the new current directory in a SingleLineEdit control:

    ChangeDirectory( ".." )
    sle_1.text= GetCurrentDirectory( )

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