出学Windows编程相对Win32的结构进行重构,出错?求救

justinlm 2010-10-25 04:26:09
错误信息:
Error 1 error LNK2019: unresolved external symbol "public: unsigned short __thiscall MainWindow::MyRegisterClass(struct HINSTANCE__ *)" (?MyRegisterClass@MainWindow@@QAEGPAUHINSTANCE__@@@Z) referenced in function "public: int __thiscall MainWindow::Initialize(struct HINSTANCE__ *,int)" (?Initialize@MainWindow@@QAEHPAUHINSTANCE__@@H@Z) D:\My Documents\my Visual Studio project\Projects\Win32Project\Win32Project\Win32Project\MainWindow.obj

相关代码如下:

// Win32Project.cpp : Defines the entry point for the application.
//客户端

#include "stdafx.h"
#include "Win32Project.h"
#include "MyApplication.h"

// Forward declarations of functions included in this code module:
INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);

int APIENTRY _tWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{

UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);

// TODO: Place code here.

MyApplication myApp ;

// Perform application initialization:
if (! myApp.Initialize( hInstance,nCmdShow))
{
return FALSE;
}

myApp.Run();

return (int) (MainWindow::GetInstance()->GetMSG().wParam);
}

/////////////////////////////////////////////////////////////////////////

//#pragma once
#include "stdafx.h"
#include "MainWindow.h"

class MyApplication
{
public:
MyApplication(void);
~MyApplication(void);

BOOL Initialize(HINSTANCE hInstance, int nCmdShow); //初始化
void Run(void); //run(),运行

};

//////////////////////////////////////////////////////////////////////////
#include "StdAfx.h"
#include "MyApplication.h"

MyApplication::MyApplication(void)
{
}

BOOL MyApplication::Initialize(HINSTANCE hInstance, int nCmdShow)
{
if( ! MainWindow::GetInstance()->Initialize(hInstance, nCmdShow) )
{
return FALSE;
}
return TRUE;
}

void MyApplication::Run(void)
{
MSG msg = (MainWindow::GetInstance()->GetMSG());
// Main message loop:
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, MainWindow::GetInstance()->GetHACCEL(), &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}

}

MyApplication::~MyApplication(void)
{
MainWindow::Release();
}
//////////////////////////////////////////////////////////////////////////////////////////////

#pragma once
#include "stdafx.h"
#include "resource.h"

#define MAX_LOADSTRING 100
static TCHAR szTitle[MAX_LOADSTRING]; // The title bar text
static TCHAR szWindowClass[MAX_LOADSTRING]; // the main window class name

class MainWindow
{
public:
MainWindow(void);
~MainWindow(void);

BOOL Initialize(HINSTANCE, int); //总初始化函数
BOOL InitInstance(HINSTANCE, int); //Win32自带的初始化(Saves instance handle and creates main window)
ATOM MyRegisterClass(HINSTANCE hInstance); //Win32自带的注册窗口类
static LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); //窗口过程

MSG& GetMSG(void) { return msg;}
HACCEL GetHACCEL(void) { return hAccelTable; }

static MainWindow* GetInstance() //获得静态实例
{
if(m_pMainWindow == NULL)
{
m_pMainWindow = new MainWindow();
}
return m_pMainWindow;
}

static void Release(void) //释放静态实例资源
{
if(m_pMainWindow != NULL)
{
delete m_pMainWindow ;
m_pMainWindow = NULL;
}
}

private:
static MainWindow* m_pMainWindow; //静态实例声明
HINSTANCE hInst; // current instance
MSG msg; //消息
HACCEL hAccelTable; //加速键,快捷键?
};

//////////////////////////////////////////////////////////////////////////////////////////////////////////////

#include "StdAfx.h"
#include "MainWindow.h"

MainWindow* MainWindow::m_pMainWindow = 0;

MainWindow::MainWindow(void)
{
hInst = NULL;
//msg = NULL;
hAccelTable = NULL;
}


MainWindow::~MainWindow(void)
{
}

BOOL MainWindow::Initialize(HINSTANCE hInstance, int nCmdShow)
{
// Initialize global strings
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_WIN32PROJECT, szWindowClass, MAX_LOADSTRING);

MyRegisterClass(hInstance);

if( !InitInstance(hInstance, nCmdShow))
{
return FALSE;
}

hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_WIN32PROJECT));

return TRUE;
}
//
// FUNCTION: InitInstance(HINSTANCE, int)
//
// PURPOSE: Saves instance handle and creates main window
//
// COMMENTS:
//
// In this function, we save the instance handle in a global variable and
// create and display the main program window.
//
BOOL MainWindow::InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;

hInst = hInstance; // Store instance handle in our global variable

hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);

if (!hWnd)
{
return FALSE;
}

ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);

return TRUE;
}

//
// FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// PURPOSE: Processes messages for the main window.
//
// WM_COMMAND - process the application menu
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
//
//
static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;

switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case IDM_ABOUT:
// DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// TODO: Add any drawing code here...
EndPaint(hWnd, &ps);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}


//
// FUNCTION: MyRegisterClass()
//
// PURPOSE: Registers the window class.
//
// COMMENTS:
//
// This function and its usage are only necessary if you want this code
// to be compatible with Win32 systems prior to the 'RegisterClassEx'
// function that was added to Windows 95. It is important to call this function
// so that the application will get 'well formed' small icons associated
// with it.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;

wcex.cbSize = sizeof(WNDCLASSEX);

wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_WIN32PROJECT));
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = MAKEINTRESOURCE(IDC_WIN32PROJECT);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));

return RegisterClassEx(&wcex);
}

// Message handler for about box.
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(lParam);
switch (message)
{
case WM_INITDIALOG:
return (INT_PTR)TRUE;

case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return (INT_PTR)TRUE;
}
break;
}
return (INT_PTR)FALSE;
}
/////////////////////////////////////////////////////////////////////////////////////

//小弟刚学,希望各位高手教一下。
...全文
44 点赞 收藏 5
写回复
5 条回复
justinlm 2010年10月25日
谢谢呀。行了。呵呵,太感谢了。
回复 点赞
Eleven 2010年10月25日
[Quote=引用 3 楼 justinlm 的回复:]
谢谢,我试试啦。谢谢
[/Quote]
呵呵,下回认真一点写
回复 点赞
justinlm 2010年10月25日
谢谢,我试试啦。谢谢
回复 点赞
fishion 2010年10月25日
ATOM MainWindow::MyRegisterClass(HINSTANCE hInstance)
{
,.......
}
回复 点赞
龙哥依旧 2010年10月25日
也不知道你怎么重构的
MyRegisterClass这个函数只有声明,没有定义
在你的MainWindow类里再重写一个
但我估计你这块好了,还得有别的问题,呵呵
回复 点赞
发动态
发帖子
VC/MFC
创建于2007-09-28

7895

社区成员

42.1w+

社区内容

VC/MFC相关问题讨论
社区公告
暂无公告