Say you wish to have an extra toolbar at the top of the frame, a project window to the left of
the MDI client window, and an output window above the status bar. You should therefore create
the windows in this order: toolbar, output window, project window. This ensures that the toolbar and
-output window take up space at the top and bottom, and then the remaining height inbetween is used for
+output window take up space at the top and bottom, and then the remaining height in-between is used for
the project window.
wxLayoutAlgorithm is quite independent of the way in which
Lays out the children of a normal frame or other window.
-{\it mainWindow} is set to occupy the remaining space.
+{\it mainWindow} is set to occupy the remaining space. If this is not specified, then
+the last window that responds to a calculate layout event in query mode will get the remaining space
+(that is, a non-query OnCalculateLayout event will not be sent to this window and the window will be set
+to the remaining size).