Similar to sys.sdl.show_simple_message_box
but attached to this window
# Show a simple message box
#
# Similar to `sys.sdl.show_simple_message_box` but attached to this window
fun show_simple_message_box(level: SDLMessageBoxFlags, title, content: CString) `{
SDL_ShowSimpleMessageBox(level, title, content, self);
`}
lib/sdl2/sdl2_base.nit:157,2--162,3