函数名: setfillpattern 
 功  能: 选择用户定义的填充模式 
 用  法: #include <graphics.h> 
         void far setfillpattern(char far *upattern, int color); 
 程序例: 
#include <graphics.h> 
 #include <stdlib.h> 
 #include <stdio.h> 
 #include <conio.h> 
int main(void) 
 { 
    /* request auto detection */ 
    int gdriver = DETECT, gmode, errorcode; 
    int maxx, maxy; 
   /* a user defined fill pattern */ 
    char pattern[8] = {0x00, 0x70, 0x20, 0x27, 0x24, 0x24, 0x07, 0x00}; 
   /* 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 */ 
    } 
   maxx = getmaxx(); 
    maxy = getmaxy(); 
    setcolor(getmaxcolor()); 
   /* select a user defined fill pattern */ 
    setfillpattern(pattern, getmaxcolor()); 
   /* fill the screen with the pattern */ 
    bar(0, 0, maxx, maxy); 
   /* clean up */ 
    getch(); 
    closegraph(); 
    return 0; 
 }