===== rectangle =====


====Syntax of rectangle ==== 
 <code c>
#include <graphics.h>
void rectangle(int left, int top, int right, int bottom);
  </code>


==== Description of rectangle ==== 
<code c>
rectangle draws a rectangle in the current line style, thickness, and
drawing color.
(left,top) is the upper left corner of the rectangle, and (right,bottom)
is its lower right corner.
</code>


==== Example of rectangle ====
<code c>
/* rectangle example */

#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>

int main(void)
{
   /* request autodetection */
   int gdriver = DETECT, gmode, errorcode;
   int left, top, right, bottom;

   /* initialize graphics and local variables */
   initgraph(&gdriver, &gmode, "");

   /* read result of initialization */
   errorcode = graphresult();
   if (errorcode != grOk) {  /* an error occurred */
printf("Graphics error: %s\n", grapherrormsg(errorcode));

printf("Press any key to halt:");
getch();
exit(1);   /* terminate with an error code */
   }

   left = getmaxx() / 2 - 50;
   top = getmaxy() / 2 - 50;
   right = getmaxx() / 2 + 50;
   bottom = getmaxy() / 2 + 50;

   /* draw a rectangle */
   rectangle(left,top,right,bottom);

   /* clean up */
   getch();
   closegraph();
   return 0;
}
</code>


==== See also ====
[[bar]]
[[bar3d]]
[[setcolor]]
[[setlinestyle]]


===== output of rectangle example ===== 

    no output of example at the moment
    do not hesitate and add it...