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Vista Aero DWM seems to optimize out GDI paint calls

In this post: Foxpro Menu items, combo boxes not refreshing selected item under Aero in Vista I describe a problem in Foxpro where menu and list items that are supposed to be non-selected aren’t painted correctly. I described a workaround: call the GdiSetBatchLimit

Windows Vista Aero BorderStyle Paint problem as non Administrator

Above is an image of an inner form (from the C++ project below) before and after I dragged it a little bit up and left to obscure the title bar, then back to the original position. You can see the title, icon, close/minimize buttons were not painted correctly.

Fix your forms to paint borders correctly under Vista Aero

Apparently, the borders of some forms don’t get painted correctly on Windows Vista. When executing a Fox Form, Fox asks Windows to create a window, then sets the BorderStyle of the window. Apparently, under Vista Aero (except as Administrator), the BorderStyle
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Foxpro Menu items, combo boxes not refreshing selected item under Aero in Vista

If you’re running a Foxpro application under Vista when using Aero , you might encounter a problem when scrolling through lists, such as intellisense dropdowns, comboboxes, menus. As you move from one item in the list to the next, each item in turn appears
Posted by Calvin_Hsia | 10 Comments
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