###### (This is the documentation for SDL3, which is under heavy development and the API is changing! [SDL2](https://wiki.libsdl.org/SDL2/) is the current stable version!) # SDL_MessageBoxButtonFlags Flags for [SDL_MessageBoxButtonData](SDL_MessageBoxButtonData). ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_messagebox.h) ## Syntax ```c typedef enum SDL_MessageBoxButtonFlags { SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT = 0x00000001, /**< Marks the default button when return is hit */ SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT = 0x00000002 /**< Marks the default button when escape is hit */ } SDL_MessageBoxButtonFlags; ``` ## Version This enum is available since SDL 3.0.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIEnum](CategoryAPIEnum)