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Patching or Modifying an .exe File

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  • Patching or Modifying an .exe File

    There are programs available that will allow you to create a "patch" to fix or update an .exe file.

    I have an application that currently requires a user to create and then use a login name and password to use it. Some want to use the application without having to login. Since it's their nickel, I don't really care, I just want to do it as easily for me as possible.

    One approach is to make a new .exe file and distribute it to those that don't want to login. I could also use available software and create a "Patch"; six of one and a half dozen of the other on this one.

    I know there are some freeware and commercial products that will do this.

    Has anyone done anything like this in PB? Or if not, is there an easier/better way to do this?

    As always, any and all suggestions appreciated.
    sigpicMark Pruitt
    [email protected]
    Manage 3rd party BlackBerry software registration codes.

    It's not the only way to do it...just the EZ way!

  • #2
    Store the changeable info in program resources... then just change the resource as required with the UpdateResource function.

    This is what I do. I never modify the actual executable code EXCEPT when there is an actual change to it. (at which time there is a version change).

    Here's a demo to get you started: User-Defined Resource Demo January 26 2003

    I suppose "in theory" you could come up with a way to replace functions in a compiled executable, but I never liked software which does this. If you have one or two functions which are subject to frequent change, put those functions in a DLL and when you update all you have to change out is that one DLL file.

    Michael Mattias
    Tal Systems (retired)
    Port Washington WI USA
    [email protected]