//POINT的數(shù)組可以這么用 
    POINT pt[]={ 
        0, 450, 
        225,390, 
        390,225, 
        450,0, 
        390,-225, 
        225,-390, 
        0,-450, 
        -225,-390, 
        -390,-225, 
        -450,0, 
        -390,225, 
        -225,390 
    };

case WM_PAINT: 
        hdc = BeginPaint(hWnd, &ps); 
        // TODO: 在此添加任意繪圖代碼... 
        //畫鐘表盤 
        int cxClient, cyClient; 
        RECT rect; 
        ::GetClientRect(hWnd, &rect); 
        cxClient = rect.right - rect.left; 
        cyClient = rect.bottom - rect.top; 
 
        SetIsotropic(hdc, cxClient, cyClient); 
 
#define  SQUARESIZE 10 
        ::SelectObject(hdc, ::GetStockObject(BLACK_BRUSH)); 
        for(int i=0;i<12;i++) 
        { 
            ::Ellipse(hdc, pt[i].x-SQUARESIZE,pt[i].y+SQUARESIZE,pt[i].x+SQUARESIZE, pt[i].y-SQUARESIZE);  
        } 
 
        EndPaint(hWnd, &ps); 
        break;