How to get class/caption/handle of all windows elements in java

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I am trying to create an app similar to spy++ in java, in which I getting problem to fetch class/handle/caption of every element which I am taking mouse over.

If we move mouse on task bar, the spy tool shows the info as : Handle : 000100AA Caption : Running applications Class : MSTaskListWClass
If we take mouse on one of the button of windows calculator(lets say "1") spy tool will show caption : 1 class:button
I m already getting foreground window with following code:

Java

GetWindowTextW(GetForegroundWindow(), buffer, MAX_TITLE_LENGTH);

and process name :

Java

Pointer process = OpenProcess(PROCESS_QUERY_INFORMATION
                | PROCESS_VM_READ, false, pointer.getValue());
        GetModuleBaseNameW(process, null, buffer1, MAX_TITLE_LENGTH);

But i am still not able to get captions and classes for buttons/textboxes. Please help to do the same.

Posted 20-Oct-13 18:53pm

Member 10286395

Updated 21-Oct-13 20:42pm

v3

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Sergey Alexandrovich Kryukov 21-Oct-13 1:01am

Great. Please go ahead and do it, you got my permission.
—SA

Member 10286395 21-Oct-13 5:39am

:)

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Richard MacCutchan · Answer 1 · 2013-10-21T21:31:00

You will need to enumerate all the windows, and for each window you will need to enumerate all the child windows, and for each child window you will need to enumerate all its child windows, etc. I don't know how you would do this in Java, but in C++ you should look at http://msdn.microsoft.com/en-us/library/windows/desktop/ms633497(v=vs.85).aspx[^], and its associated functions.