I found an issue with the window hint in the investment list window. For an unknown reason when using the WINDOW_TYPE_HINT_DOCK hint the window manager leaves a frame shadow after the investment list window is closed. Changing the hint to WINDOW_TYPE_HINT_TOOLBAR resolves this issue.
I found an issue with the window hint in the investment list window. For an unknown reason when using the WINDOW_ TYPE_HINT_ DOCK hint the window manager leaves a frame shadow after the investment list window is closed. Changing the hint to WINDOW_ TYPE_HINT_ TOOLBAR resolves this issue.