Anyone know a straightforward or sneaky way to get list of all the
currently open windows? I'm looking for something generic that
could be
used for testing purposes without necessarily having to maintain a
list
of every window and dialog I've opened inside my application. For my
purposes this does need to be cross-platform.
Frame.getFrames returns a list of all Frames allocated by the current
application (as was previously mentioned). Note that it only returns
Frame (and thus includes JFrame) instances, not Dialog/JDialog, or
plain Window instances. If you iterate the list of frames and call
getOwnedWindows (which Frame inherits from Window) you can get all
the subwindows owned by that window. Since all instantiated Dialog,
JDialog and directly instantiated Window instances must have a non-
null owner, this should get you a complete enumeration.
This requires Java 1.2+, and so only excludes older JVMs.
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