下面的程序用vc编译后有两个错误 unknown character '0xa1'
             unknown character '0xa1'
请问各位朋友是怎么回事？    


//////////////////////////////////////////////////////////////////////////////
#define WIN32_LEAN_AND_MEAN        //  just say no to MFC

#include <windows.h>
#include <windowsx.h>
#include <stdio.h>
#include <math.h>
#include "resource.h"

#define WINDOW_CLASS_NAME "WINCLASS1"

//////////////////////////////////////////////////////////////////////////////
LRESULT CALLBACK WindowProc ( HWND hwnd,
                             UINT msg,
                             WPARAM wparam,
                             LPARAM lparam )
{
    
    PAINTSTRUCT ps;        
    HDC hdc;            
    
    //  处理消息
    switch ( msg )
    {
            case    WM_CREATE:
            {
            
                    return ( 0 );    //  return success
        
            }break;

            case    WM_PAINT:
            {

                    hdc = BeginPaint ( hwnd, &ps );

                    EndPaint ( hwnd, &ps );

                    return ( 0 );

            }break;

            case    WM_DESTROY:
            {

                    PostQuitMessage ( 0 );

                    return ( 0 );

            }break;

            default : break;
    }    //  end switch
    

return ( DefWindowProc ( hwnd, msg, wparam, lparam ) );

}        //  end WinProc

//  WinMain  /////////////////////////////////////////////////////////////////
int WINAPI WinMain ( HINSTANCE hinstance,
        HINSTANCE hPrevInstance,
        LPSTR lpcmdline,
        int ncmdshow )
{
        
        WNDCLASSEX winclass;    //  this will hold the class we create

        HWND hwnd;            
                        
        MSG msg;            

        
        winclass.cbSize = sizeof ( WNDCLASSEX );
        winclass.style = CS_DBLCLKS | CS_OWNDC |
                        CS_HREDRAW | CS_VREDRAW;
        winclass.lpfnWndProc = WindowProc;
        winclass.cbClsExtra = 0;
        winclass.cbWndExtra = 0;
        winclass.hInstance = hinstance;
        winclass.hIcon = LoadIcon ( hinstance, MAKEINTRESOURCE(IDI_ICON1)  );
        winclass.hCursor = LoadCursor ( hinstance, MAKEINTRESOURCE(IDC_CURSOR1) );
        winclass.hbrBackground = (HBRUSH) GetStockObject ( BLACK_BRUSH );
        winclass.lpszMenuName = NULL;
        winclass.lpszClassName = WINDOW_CLASS_NAME;
        winclass.hIconSm = LoadIcon ( hinstance, MAKEINTRESOURCE(IDI_ICON1)  );


        //  注册windows类，将新的类通知windows
        if ( !RegisterClassEx(&winclass) )
                return ( 0 );


        //  创建窗口
        if (  !( hwnd = CreateWindowEx ( NULL,
                        WINDOW_CLASS_NAME,
                        "EASY WINDOW",
                        WS_OVERLAPPEDWINDOW |                                                            WS_VISIBLE,
                        0, 0,
                        400, 400,
                        NULL,
                        NULL,        
                        hinstance,
                        NULL ) )  )
                
                return ( 0 );
        
        
        //  进入主事件循环
    
        while ( GetMessage ( &msg, NULL, 0, 0 ) )
        {

                TranslateMessage ( &msg );

                DispatchMessage ( &msg );

        }
        　
        
        return (msg.wParam) ;


}        //end WinMain