求助:windows编程

[sunxiaofeng]

错误提示：
hellowindows.obj : error LNK2001: unresolved external symbol "long __stdcall WinProc(struct HWND__ *,unsigned int,unsigned int,long)" (?WinProc@@YGJPAUHWND__@@IIJ@Z)
Debug/hellowindows.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.
程序代码：
#include<windows.h>
LRESULT CALLBACK WinProc(HWND,UINT,WPARAM,LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,
PSTR szCmdLine,int iCmdShow)
{ static TCHAR szAppName[]=TEXT("hellowin");
HWND hwnd;
WNDCLASS wndclass;
MSG msg;
wndclass.style=CS_HREDRAW|CS_VREDRAW;
wndclass.lpfnWndProc=WinProc;
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("This program requires Windows NT!"),
szAppName,MB_ICONERROR);
return 0;
}
hwnd=CreateWindow(szAppName,
TEXT("The Hello Program"),
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)
{ HDC hdc;
PAINTSTRUCT ps;
RECT rect;
switch(message)
{
case WM_CREATE:
return 0;
case WM_PAINT:
hdc=BeginPaint(hwnd,&ps);

GetClientRect(hwnd,&rect);

DrawText(hdc,TEXT("hello,windows98!"),-1,&rect,
DT_SINGLELINE|DT_VCENTER);
EndPaint(hwnd,&ps);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd,message,wParam,lParam);
}

[wanderung]

看晕了~！~~~

[wxq888]

你是不是在win2000中编译的，到win98 下试一下

[wxq888]

http://www.csdn.net/expert/topic/634/634410.xml?temp=.1853907