Function SDL_FlashWindow 

pub unsafe extern "C" fn SDL_FlashWindow(
    window: *mut SDL_Window,
    operation: SDL_FlashOperation,
) -> bool

Request a window to demand attention from the user.

Parameter: window the window to be flashed. Parameter: operation the operation to perform. Returns: true on success or false on failure; call SDL_GetError() for more information.

Thread Safety: This function should only be called on the main thread.

Available Since: This function is available since SDL 3.2.0.