Again, this code DOES NOT WORK - if you're just here for the code look down further. Heres an old program I dug up that puts text in a edit control when you click the button. Hopefully you don't see it, so as to keep my programming ego intact. Using malloc or free in a C++ program Using GlobalAlloc/GlobalLock in any context. To the code! This is similar to my initial code - there is a problem with it. Many of these are simple well-known programming issues for example. Specifically, two which have caused me frustration recently: GetForegroundWindow and GetWindowText. In this post I'm going to go over how to use some windows functions with JNI. If you've never used JNI before, please read my previous post first. If the target window is owned by the current process, GetWindowText causes a WMGETTEXT message to be sent to the specified window or control. Not only does this save you the map lookup from the dialog every time you care to work with a dialog item, but it gives you as better idea of which capabilities are available and where to start looking for them.Please read this post explaining a small issue with the code used in this article. Analagous classes exist for every win32 control, and all the common dialog controls. The CStatic is a convenience wrapper for a chunk of the win32 API as it relates to text boxes. The 2nd argument must be a pointer to a buffer that is going to receive the windows title string, and youre passing a constant wchart string to it. If the class is, say, CStatic (the MFC class for a text box), you can use DDX to automatically bind it to the HWND on dialog creation or you can manually do it with the HWND. Your call to GetWindowText() or GetWindowTextW() is wrong. 
Note that the latter won't work for dropdowns/listboxes, etc.Better yet, if you are using anything but raw win32 (eg MFC, ATL, WTL), you can create a class and associate it with a HWND. This returns a HWND that you can use for any of the normal win32 functions, particularly GetWindowText() and SetWindowText().
In general, you want to use GetDlgItem(HWND hDlg, int dlgItem) - this is often overloaded with CWindow, CDialog, etc to just GetDlgitem(int dlgItem).
include 
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