How to get the zorder in windows?

Question

I'm making an application where I interact with each running application, right now, I need a way of getting the windows zorder, for instance, if firefox and notepad are running, I need to know which is the must upfront... Any ideas ? (basides doing this for each application mainWindow I also need to do it for it's childs and sisters (windows belonging to the same process) windows)

Best Regards, Jose

Answer 1

You can use the GetTopWindow function to search all child windows of a parent window and return a handle to the child window that is highest in z-order. The GetNextWindow function retrieves a handle to the next or previous window in z-order.

GetTopWindow: http://msdn.microsoft.com/en-us/library/ms633514(VS.85).aspx
GetNextWindow: http://msdn.microsoft.com/en-us/library/ms633509(VS.85).aspx