+ // Drop-button stays down as long as popup is displayed.
+ wxCC_BUTTON_STAYS_DOWN = 0x0008,
+ // Drop-button covers the entire control.
+ wxCC_FULL_BUTTON = 0x0010,
+ // Drop-button goes over the custom-border (used under WinVista).
+ wxCC_BUTTON_COVERS_BORDER = 0x0020,