GEOS SDK TechDocs
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3.3 On-Screen Behavior
HINT_WINDOW_NO_TITLE_BAR, HINT_WINDOW_NO_SYS_MENU, HINT_WINDOW_MINIMIZE_TITLE_BAR, HINT_WINDOW_ALWAYS_DRAW_WITH_FOCUS
HINT_WINDOW_NO_TITLE_BAR instructs the specific UI to remove the title bar from a windowed object (dialog box, GenPrimary or GenDisplay). Use this hint with extreme prejudice as most of a window's functionality will not be accessible without a title bar.
HINT_WINDOW_NO_SYS_MENU instructs the specific UI to remove the system menu (or close button) from a windowed object. Again, do not use this hint unless necessary, as it overrides important features of windowed objects.
HINT_WINDOW_MINIMIZE_TITLE_BAR instructs the specific UI to minimize the area that the window's title bar occupies, if possible. (This hint is designed for use in smaller PDA-style devices.) Note that this hint usually takes away any system menus that may normally be included with the title bar. As a result, make sure that you provide another means to dismiss the window. Also note that if a window containing this hint is disabled, the window will be dismissed by the system.
HINT_WINDOW_ALWAYS_DRAW_WITH_FOCUS instructs the specific UI to draw the window as if it always contains the focus, including "high-lighting" the window's title bar, if possible. Only use this hint if it is absolutely necessary because it may confuse the user and it violates the predominant focus paradigm.
GEOS SDK TechDocs
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| 3.3 On-Screen Behavior