funtc312b.dat

来自「C++指令字典 一个方便的软件 用于C++指令的查询」· DAT 代码 · 共 35 行

#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
int main(void)
{
    int gdriver = EGA, gmode = EGAHI, errorcode;
    int x, y, ht;
    initgraph(&gdriver, &gmode, );
    errorcode = graphresult();
    if (errorcode != grOk)
    {
        printf("Graphics error: %s
", grapherrormsg(errorcode));
        printf("Press any key to halt:");
        getch();
    exit(1);
    }
    x = getmaxx() / 2;
    y = getmaxy() / 2;
    ht = textheight("W");
    setactivepage(1);
    line(0, 0, getmaxx(), getmaxy());
    settextjustify(CENTER_TEXT, CENTER_TEXT);
    outtextxy(x, y, "This is page #1:");
    outtextxy(x, y+ht, "Press any key to halt:");
    setactivepage(0);
    outtextxy(x, y, "This is page #0.");
    outtextxy(x, y+ht, "Press any key to view page #1:");
    getch();
    setvisualpage(1);
    getch();
    closegraph();
    return 0;
}