//画黄色的叶片.
SelectObject(hDC,hBrush);
nCentreX = (int)(50*cos(fAngle+4*Pi/3));
nCentreY = (int)(50*sin(fAngle+4*Pi/3));
Pie(hDC,nCentreX-50,nCentreY-50,
nCentreX+50,nCentreY+50,
(int)(nCentreX+50*cos(fAngle+4*Pi/3)),(int)(nCentreY+50*sin(fAngle+4*Pi/3)),
(int)(nCentreX+50*cos(fAngle+Pi+4*Pi/3)),(int)(nCentreY+50*sin(fAngle+Pi+4*Pi/3)));
nNum++; //当前序数加1.
Sleep(100); //等待0.1秒.
InvalidateRect(hWnd,NULL,1); //重绘窗口区域.
EndPaint(hWnd,&;PtStr); //释放环境指针。
return 0;
case WM_DESTROY: //关闭窗口.
PostQuitMessag
e(0);
return 0;
default:
return(DefWindowProc(hWnd,iMessage,wParam,lParam));
}
}