#pragma section-numbers off
#pragma camelcase off

= SDL_UpdateWindowSurfaceRects =
Use this function to copy areas of the window surface to the screen.

<<TableOfContents()>>

== Syntax ==
{{{#!highlight cpp
int SDL_UpdateWindowSurfaceRects(SDL_Window* window,
                           const SDL_Rect*   rects,
                                 int         numrects)
}}}

== Function Parameters ==
||'''window'''||the window to update||
||'''rects'''||an array of [[SDL_Rect]] structures representing areas of the surface to copy||
||'''numrects'''||the number of rectangles||

== Return Value ==
Returns 0 on success or a negative error code on failure; call [[SDL_GetError]]() for more information.

== Code Examples ==
{{{#!highlight cpp
You can add your code example here
}}}

== Remarks ==
This is the function you use to reflect changes to portions of the surface on the screen. 

This function is equivalent to the SDL 1.2 API SDL_!UpdateRects(). 

== Related Functions ==
 .[[SDL_GetWindowSurface]]
 .[[SDL_UpdateWindowSurface]]

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[[CategoryAPI]], [[CategoryVideo]]