There is a partially documented feature in the Microsoft C/C++ runtime libraries that allows you to run code before the main function (main, WinMain or DllMain) is called, and after it returns.
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Send keystrokes to the active window or to a selected window.
Another suggestion for forcing only one instance of an application to run at a time.
If you ever need to have only one instance of an application active, you might be interested in using this class. This class enables you to stop running a second instance of an application.
This is a set of small projects (all working together) that can ease creating a log of your program's code path at run-time.
Standard concept with a twist ; in this version if the app is running it is brought to the foreground and passed any command-line arguments
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Learn about the functions, and see a small example of how the particular functions can be used.
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