1. An Icon can control the orientation of a window. |
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2. Every item in a menu is assigned a unique ID number |
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3. If a menu item is grayed it can still be checked. |
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4. The message ID is helped in HIWORD OF wParam. |
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5. You process WM_CONTROL messages givenper ID of the menu. |
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6. Menus may have other menus below them called Slave Menus. |
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