入门级VC问题

yunccll 2003-03-31 10:22:36

//我从书上抄下的例子结果link时出错了。不懂？？？？？？？？？？
//--------------------Configuration: winmain - Win32 Debug---------------//-----
//Linking...
//LIBCD.lib(crt0.obj) : error LNK2001: unresolved external symbol _main//
//Debug/winmain.exe : fatal error LNK1120: 1 unresolved externals
//Error executing link.exe.
//
#include<windows.h>
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpszCmdLine,int nCmdShow)
{
HWND hwnd;
MSG Msg;
WNDCLASS wndclass;
char lpszClassName[] ="窗口";
char lpszTitle[] ="My_Windows";
wndclass.style =0;
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 =lpszClassName;

if(!RegisterClass(&wndclass))
{
MessageBeep(0);
return FALSE;
}

hwnd=CreateWindow(lpszClassName,lpszTitle,WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,hInstance,NULL);
ShowWindow(hwnd,nCmdShow);
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)
{
switch(message)
{
case WM_DESTROY:
PostQuitMessage(0);
default:
return DefWindowProc(hwnd,message,wparam,lparam);
}
return (0);
}

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