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Asked: 2026-05-11T11:56:02+00:00

Basically I am attempting to control a win32 app (press a button, add stuff

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Basically I am attempting to control a win32 app (press a button, add stuff to a text field) etc from a java app.

Whats the best method of attempting this (i.e are there any toolkits, DDE?) or will I have to attempt to do some sort of FindWindowEx, then send a WM_LBUTTONDOWN or something?

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  1. It seems that this is encapsulated inside the jna project from java.net projects:

    https://github.com/twall/jna

    Well it is one possibility anyway.

    In one example it shows a few imports which look like they may be of use to you:

    import com.sun.jna.examples.win32.GDI32; import com.sun.jna.examples.win32.User32; import com.sun.jna.examples.win32.GDI32.BITMAPINFO; import com.sun.jna.examples.win32.User32.BLENDFUNCTION; import com.sun.jna.examples.win32.User32.POINT; import com.sun.jna.examples.win32.User32.SIZE; import com.sun.jna.examples.win32.W32API.HANDLE; import com.sun.jna.examples.win32.W32API.HBITMAP; import com.sun.jna.examples.win32.W32API.HDC; import com.sun.jna.examples.win32.W32API.HRGN; import com.sun.jna.examples.win32.W32API.HWND;
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