SDL_SetWindowProgressValue - Man Page

#include <SDL3/SDL_video.h>

bool SDL_SetWindowProgressValue(SDL_Window *window, float value);

window

the window whose progress value is to be modified.

value

the progress value in the range of [0.0f - 1.0f]. If the value is outside the valid range, it gets clamped.

Returns true on success or false on failure; call SDL_GetError() for more information.

This function should only be called on the main thread.

This function is available since SDL 3.4.0.