This c program draws a 3d bar chart.
#include <graphics.h>
#include <conio.h>
int main()
{
int gd = DETECT, gm;
initgraph(&gd, &gm, "C:\\TC\\BGI");
setcolor(YELLOW);
rectangle(0,30,639,450);
settextstyle(SANS_SERIF_FONT,HORIZ_DIR,2);
setcolor(WHITE);
outtextxy(275,0,"Bar Chart");
setlinestyle(SOLID_LINE,0,2);
line(100,420,100,60);
line(100,420,600,420);
line(90,70,100,60);
line(110,70,100,60);
line(590,410,600,420);
line(590,430,600,420);
outtextxy(95,35,"Y");
outtextxy(610,405,"X");
outtextxy(85,415,"O");
setfillstyle(LINE_FILL,BLUE);
bar(150,100,200,419);
setfillstyle(XHATCH_FILL,RED);
bar(225,150,275,419);
setfillstyle(WIDE_DOT_FILL,GREEN);
bar(300,200,350,419);
setfillstyle(INTERLEAVE_FILL,MAGENTA);
bar(375,125,425,419);
setfillstyle(HATCH_FILL,BROWN);
bar(450,175,500,419);
getch();
return 0;
}