源代码如下：

#include<windows.h>
#include<math.h>
#define NUM     1000
#define TWOPI   (2 * 3.14159) 

LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow)
{
    
        
	static TCHAR szAppName[] = TEXT ("SineWave");    
	HWND         hwnd;    
	MSG          msg;    
	WNDCLASS     wndclass;
    	
    	wndclass.style           = CS_HREDRAW | CS_VREDRAW;    
    	wndclass.lpfnWndProc     = WndProc;    
    	wndclass.cbClsExtra      = 0;    
    	wndclass.cbWndExtra      = 0;    
    	wndclass.hInstance       = hInstance;    
    	wndclass.hIcon           = LoadIcon (NULL, IDI_APPLICATION);    
    	wndclass.hCursor         = LoadCursor (NULL, IDC_ARROW);    
    	wndclass.hbrBackground   = (HBRUSH) GetStockObject (WHITE_BRUSH);    
    	wndclass.lpszMenuName    = NULL;    
    	wndclass.lpszClassName   = szAppName;
    	
    	if(!RegisterClass (&wndclass))    
    	{
    
            
    		MessageBox (NULL, TEXT("Program require Windows NT!"), szAppName, MB_ICONERROR);
    		return 0;    
    	}
    	hwnd = CreateWindow (szAppName, TEXT("Sine Wave Using Polyline"),
    	                        WS_OVERLAPPEDWINDOW,
    	                        CW_USEDEFAULT,                        
    	                        CW_USEDEFAULT,                        
    	                        CW_USEDEFAULT,                        
    	                        CW_USEDEFAULT,                        
    	                        NULL,                        
    	                        NULL,                        
    	                        hInstance,                        
    	                        NULL
    	                    );
    	ShowWindow (hwnd, iCmdShow);    
    	UpdateWindow (hwnd);
    	while (GetMessage (&msg, NULL, 0, 0))    
    	{
    
            
    		TranslateMessage (&msg);        
    		DispatchMessage (&msg);    
    	}
    	return msg.wParam;
    }

LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    
        
	static int  cxClient, cyClient;    
	HDC         hdc;    
	int         i;    
	PAINTSTRUCT ps;    
	POINT       apt [NUM];
    	switch (message)    
    	{
    
        
    	case WM_SIZE:        
    		cxClient = LOWORD (lParam);        
    		cyClient = HIWORD (lParam);        
    		return 0;        
    	
    	case WM_PAINT:        
    		hdc = BeginPaint (hwnd, &ps);
        	MoveToEx (hdc, 0, cyClient / 2, NULL);        
        	LineTo (hdc, cxClient, cyClient / 2);                

		for (i=0; i < NUM; i++)        
		{
    
                
			apt[i].x = i * cxClient / NUM;            
			apt[i].y= (int) (cyClient / 2 * (1 - sin (TWOPI * i / NUM)));        
		}                
		Polyline (hdc, apt, NUM);
        	
        	EndPaint (hwnd, &ps);        
        	return 0;
    case WM_DESTROY:        
    		PostQuitMessage (0);        
    		return 0;    
    	}    
    return DefWindowProc (hwnd, message, wParam, lParam);
}

结果如图：