MessageBox structure containing title, text, window, etc.
Defined in SDL_messagebox.h
typedef struct SDL_MessageBoxData
{/**< SDL_MessageBoxFlags */
Uint32 flags; /**< Parent window, can be NULL */
SDL_Window *window; const char *title; /**< UTF-8 title */
const char *message; /**< UTF-8 message text */
int numbuttons;
const SDL_MessageBoxButtonData *buttons;
const SDL_MessageBoxColorScheme *colorScheme; /**< SDL_MessageBoxColorScheme, can be NULL to use system settings */
} SDL_MessageBoxData;