编译通过,但链接出现错误,原代码如下:
#include <windows.h>//窗口函数说明
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
//初始化窗口类
//WinMain函数说明
int WINAPI WinMain( HINSTANCE hInstance,HINSTANCE hPrevInst, LPSTR lpszCmdLine, int nCmdShow)
{
HWND hwnd ;
MSG Msg ;
WNDCLASS wndclass ;
char lpszClassName[] = "窗口"; //窗口类名
char lpszTitle[]= "My_Windows"; //窗口标题名 //窗口类的定义
wndclass.style = 0; //窗口类型为缺省类型
wndclass.lpfnWndProc = WndProc ; //窗口处理函数为WndProc
wndclass.cbClsExtra = 0 ; //窗口类无扩展
wndclass.cbWndExtra = 0 ; //窗口实例无扩展
wndclass.hInstance = hInstance ; //当前实例句柄
wndclass.hIcon = LoadIcon( NULL, IDI_APPLICATION) ;
//窗口的最小化图标为缺省图标
wndclass.hCursor = LoadCursor( NULL, IDC_ARROW) ;
//窗口采用箭头光标
wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH) ;
//窗口背景为白色
wndclass.lpszMenuName = NULL ; //窗口中无菜单
wndclass.lpszClassName = lpszClassName ; //窗口类名为"窗口示例" //窗口类注册
if( !RegisterClass( &wndclass)) //如果注册失败则发出警告声音
{
MessageBeep(0) ;
return FALSE ;
} //创建窗口
hwnd=CreateWindow(lpszClassName, //窗口类名
lpszTitle, //窗口实例的标题名
WS_OVERLAPPEDWINDOW, //窗口的风格
CW_USEDEFAULT,
CW_USEDEFAULT, //窗口左上角坐标为缺省值
CW_USEDEFAULT,
CW_USEDEFAULT,, //窗口的高和宽为缺省值
NULL, //此窗口无父窗口
NULL, //此窗口无主菜单
hInstance, //创建此窗口的应用程序的当前句柄
NULL) ; //不使用该值 //显示窗口
ShowWindow( hwnd, nCmdShow) ;
//绘制用户区
UpdateWindow(hwnd);
//消息循环
while(GetMessage(&Msg, NULL, 0, 0))
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
} return Msg.wParam; //消息循环结束即程序终止时将信息返回系统
}//窗口函数
LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam, LPARAM lParam)
{
switch(message)
{
case WM_DESTROY:
PostQuitMessage(0); //调用PostQuitMessage发出WM_QUIT消息 default: //默认时采用系统消息默认处理函数
return DefWindowProc(hwnd,message,wParam,lParam);
}
return 0;
} 链接错误代码如下:
--------------------Configuration: test - Win32 Debug--------------------
Linking...
test.obj : error LNK2001: unresolved external symbol __imp__DispatchMessageA@4
test.obj : error LNK2001: unresolved external symbol __imp__TranslateMessage@4
test.obj : error LNK2001: unresolved external symbol __imp__GetMessageA@16
test.obj : error LNK2001: unresolved external symbol __imp__UpdateWindow@4
test.obj : error LNK2001: unresolved external symbol __imp__ShowWindow@8
test.obj : error LNK2001: unresolved external symbol __imp__CreateWindowExA@48
test.obj : error LNK2001: unresolved external symbol __imp__MessageBeep@4
test.obj : error LNK2001: unresolved external symbol __imp__RegisterClassA@4
test.obj : error LNK2001: unresolved external symbol __imp__GetStockObject@4
test.obj : error LNK2001: unresolved external symbol __imp__LoadCursorA@8
test.obj : error LNK2001: unresolved external symbol __imp__LoadIconA@8
test.obj : error LNK2001: unresolved external symbol __imp__DefWindowProcA@16
test.obj : error LNK2001: unresolved external symbol __imp__PostQuitMessage@4
Debug/test.exe : fatal error LNK1120: 13 unresolved externals
执行 link.exe 时出错.test.exe - 1 error(s), 0 warning(s)
#include <windows.h>//窗口函数说明
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
//初始化窗口类
//WinMain函数说明
int WINAPI WinMain( HINSTANCE hInstance,HINSTANCE hPrevInst, LPSTR lpszCmdLine, int nCmdShow)
{
HWND hwnd ;
MSG Msg ;
WNDCLASS wndclass ;
char lpszClassName[] = "窗口"; //窗口类名
char lpszTitle[]= "My_Windows"; //窗口标题名 //窗口类的定义
wndclass.style = 0; //窗口类型为缺省类型
wndclass.lpfnWndProc = WndProc ; //窗口处理函数为WndProc
wndclass.cbClsExtra = 0 ; //窗口类无扩展
wndclass.cbWndExtra = 0 ; //窗口实例无扩展
wndclass.hInstance = hInstance ; //当前实例句柄
wndclass.hIcon = LoadIcon( NULL, IDI_APPLICATION) ;
//窗口的最小化图标为缺省图标
wndclass.hCursor = LoadCursor( NULL, IDC_ARROW) ;
//窗口采用箭头光标
wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH) ;
//窗口背景为白色
wndclass.lpszMenuName = NULL ; //窗口中无菜单
wndclass.lpszClassName = lpszClassName ; //窗口类名为"窗口示例" //窗口类注册
if( !RegisterClass( &wndclass)) //如果注册失败则发出警告声音
{
MessageBeep(0) ;
return FALSE ;
} //创建窗口
hwnd=CreateWindow(lpszClassName, //窗口类名
lpszTitle, //窗口实例的标题名
WS_OVERLAPPEDWINDOW, //窗口的风格
CW_USEDEFAULT,
CW_USEDEFAULT, //窗口左上角坐标为缺省值
CW_USEDEFAULT,
CW_USEDEFAULT,, //窗口的高和宽为缺省值
NULL, //此窗口无父窗口
NULL, //此窗口无主菜单
hInstance, //创建此窗口的应用程序的当前句柄
NULL) ; //不使用该值 //显示窗口
ShowWindow( hwnd, nCmdShow) ;
//绘制用户区
UpdateWindow(hwnd);
//消息循环
while(GetMessage(&Msg, NULL, 0, 0))
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
} return Msg.wParam; //消息循环结束即程序终止时将信息返回系统
}//窗口函数
LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam, LPARAM lParam)
{
switch(message)
{
case WM_DESTROY:
PostQuitMessage(0); //调用PostQuitMessage发出WM_QUIT消息 default: //默认时采用系统消息默认处理函数
return DefWindowProc(hwnd,message,wParam,lParam);
}
return 0;
} 链接错误代码如下:
--------------------Configuration: test - Win32 Debug--------------------
Linking...
test.obj : error LNK2001: unresolved external symbol __imp__DispatchMessageA@4
test.obj : error LNK2001: unresolved external symbol __imp__TranslateMessage@4
test.obj : error LNK2001: unresolved external symbol __imp__GetMessageA@16
test.obj : error LNK2001: unresolved external symbol __imp__UpdateWindow@4
test.obj : error LNK2001: unresolved external symbol __imp__ShowWindow@8
test.obj : error LNK2001: unresolved external symbol __imp__CreateWindowExA@48
test.obj : error LNK2001: unresolved external symbol __imp__MessageBeep@4
test.obj : error LNK2001: unresolved external symbol __imp__RegisterClassA@4
test.obj : error LNK2001: unresolved external symbol __imp__GetStockObject@4
test.obj : error LNK2001: unresolved external symbol __imp__LoadCursorA@8
test.obj : error LNK2001: unresolved external symbol __imp__LoadIconA@8
test.obj : error LNK2001: unresolved external symbol __imp__DefWindowProcA@16
test.obj : error LNK2001: unresolved external symbol __imp__PostQuitMessage@4
Debug/test.exe : fatal error LNK1120: 13 unresolved externals
执行 link.exe 时出错.test.exe - 1 error(s), 0 warning(s)
#pragma comment( lib , "user32.lib" )
#pragma comment( lib , "gdi32.lib" )