函数名: getfillpattern 
 功  能: 将用户定义的填充模式拷贝到内存中 
 用  法: #include <graphics.h> 
         void far getfillpattern(char far *upattern); 
 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; 
    char pattern[8] = {0x00, 0x70, 0x20, 0x27, 0x25, 0x27, 0x04, 0x04}; 
   /* 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); 
getch();
   /* get the current user defined fill pattern */ 
    getfillpattern(pattern); 
   /* alter the pattern we grabbed */ 
    pattern[4] -= 1; 
    pattern[5] -= 3; 
    pattern[6] += 3; 
    pattern[7] -= 4; 
   /* select our new pattern */ 
    setfillpattern(pattern, getmaxcolor()); 
   /* fill the screen with the new pattern */ 
    bar(0, 0, maxx, maxy); 
   /* clean up */ 
    getch(); 
    closegraph(); 
    return 0; 
 }