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closegraph() function in C

The header file graphics.h contains closegraph() function which closes the graphics mode, deallocates all memory allocated by graphics system and restores the screen to the mode it was in before you called initgraph.

Syntax :

void closegraph();

Below is the implementation of closegraph() in C.

// C Implementation for closegraph()
#include <graphics.h>
  
// driver code
int main()
{
    // gm is Graphics mode which is
    // a computer display mode that
    // generates image using pixels.
    // DETECT is a macro defined in
    // "graphics.h" header file
    int gd = DETECT, gm;
  
    // initgraph initializes the
    // graphics system by loading a
    // graphics driver from disk
    initgraph(&gd, &gm, "");
  
    // outtext function displays
    // text at current position.
    outtext("Press any key to close"
           " the graphics mode !!");
  
    getch();
  
    // closegraph function closes the
    // graphics mode and deallocates
    // all memory allocated by
    // graphics system .
    closegraph();
  
    return 0;
}

Output :


Note : On executing the program, the output window looks as shown above. On pressing any key, the closegraph() closes the graphics mode.



This article is attributed to GeeksforGeeks.org

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