WTL-A basic WTL application

1.包含常用頭文件和宏定義，用於簡化WTL程序編寫的自定義頭文件：WTLHelper.h

這是一段程序代碼。

```
//WTLHelper.h
```
```
#pragma once
```
```
#define WINVER 0x0601           //win7
```
```
#define _WIN32_WINNT 0x0601     //win7
```

#define _WIN32_IE 0x0800        //IE 8.0

```
#define _RICHEDIT_VER 0x0300
```

#define _WTL_USE_CSTRING    //use CString class in WTL

```
//ATL header files
```
```
#include 
```
```
#include 
```
```
//WTL header files
```
```
#include //CWindowImpl
```

#include //BEGIN_MSG_MAP_EX, message crack

```
#include //CString, CRect, CSize
```

#ifndef WTLHELPER_NOT_USE_COMMON_CONTROL_STYLE

```
#if defined _M_IX86
```

#pragma comment(linker, "/manifestdependency:/"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='x86' publicKeyToken='6595b64144ccf1df' language='*'/"")

```
#elif defined _M_IA64
```

#pragma comment(linker, "/manifestdependency:/"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='ia64' publicKeyToken='6595b64144ccf1df' language='*'/"")

```
#elif defined _M_X64
```

#pragma comment(linker, "/manifestdependency:/"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='amd64' publicKeyToken='6595b64144ccf1df' language='*'/"")

```
#else
```

#pragma comment(linker, "/manifestdependency:/"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'/"")

```
#endif
```

#endif // WTL_NOT_ADD_COMMON_CONTROL_MENIFEST

```
#ifndef ATLASSERTHR
```

#define ATLASSERTHR(hr) ATLASSERT(SUCCEEDED((hr)))

```
#endif  // ATLASSERTHR
```

2.預編譯頭文件：stdafx.h

這是一段程序代碼。

```
//stdafx.h
```
```
#pragma once
```
```
#include "WTLHelper.h"
```
```
extern CAppModule g_AppModule;
```

3.主窗口定義：MainWindow.h

這是一段程序代碼。

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

typedef CWinTraits<WS_OVERLAPPEDWINDOW> CMainWinTraits;

```
class CMainWindow :
```

    public CWindowImpl<CMainWindow, CWindow, CMainWinTraits>

```
{
```
```
public:
```

    DECLARE_WND_CLASS(_T("Basic_Main_Window"))

```
    BEGIN_MSG_MAP_EX(CMainWindow)
```
```
        MSG_WM_CREATE(OnCreate)
```
```
        MSG_WM_DESTROY(OnDestroy)
```
```
        MSG_WM_PAINT(OnPaint)
```

        MSG_WM_LBUTTONDOWN(OnLButtonDown)

```
    END_MSG_MAP()
```
```
public:
```
```
    CMainWindow()
```
```
    {
```

        CWndClassInfo& wci = GetWndClassInfo();

        if(!wci.m_atom)    // The window class has not been register yet

```
        {
```

            //Set the background brush of the window class

            wci.m_wc.hbrBackground = AtlGetStockBrush(GRAY_BRUSH);

```
        }
```
```
    }
```

    int OnCreate(LPCREATESTRUCT /*lpCreateStruct*/)

```
    {
```

        //Create font to draw text in the client window

```
        CLogFont logFont;
```

        TCHAR fontName[] = _T("Arial");

        _tcscpy_s(logFont.lfFaceName, fontName);

```
        logFont.lfHeight    = 60;
```
```
        logFont.lfItalic    = TRUE;
```
```
        logFont.lfWeight    = FW_BOLD;
```
```
        logFont.lfStrikeOut    = TRUE;
```

        m_FontText.CreateFontIndirect(&logFont);

```
        return 0;
```
```
    }
```
```
    void OnDestroy()
```
```
    {
```
```
        PostQuitMessage(0);
```
```
    }
```
```
    void OnPaint(CDCHandle)
```
```
    {
```
```
        CPaintDC dc(m_hWnd);
```
```
        //Do painting work here
```
```
        CRect rc;
```
```
        GetClientRect(&rc);
```
```
        dc.SaveDC();
```
```
        dc.SelectFont(m_FontText);
```

        LPCTSTR lpText = _T("A basic WTL application.");

        dc.DrawText(lpText, -1, &rc, DT_CENTER|DT_VCENTER| DT_SINGLELINE);

```
        dc.RestoreDC(-1);
```
```
    }
```

    void OnLButtonDown(UINT nFlags, CPoint point)

```
    {
```

        MessageBox(_T("left button down!"),_T("Main window message"), MB_OK|MB_ICONINFORMATION);

```
    }
```
```
private:
```
```
    CFont m_FontText;
```
```
};
```

4.主程序文件：BasicApp.cpp

這是一段程序代碼。

```
#include "stdafx.h"
```
```
#include "main.h"
```
```
CAppModule g_AppModule;
```
```
int Run(int nShowCmd)
```
```
{
```
```
    CMessageLoop msgLoop;
```

    g_AppModule.AddMessageLoop(&msgLoop);

```
    CMainWindow mainWnd;
```

    mainWnd.Create(NULL, NULL, _T("WTL main window"));

```
    mainWnd.ShowWindow(nShowCmd);
```
```
    mainWnd.CenterWindow();
```
```
    //Start message loop
```
```
    int result = msgLoop.Run();
```
```
    g_AppModule.RemoveMessageLoop();
```
```
    return result;
```
```
}
```

int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE pPrevInstance, LPSTR lpCmdLine, int nShowCmd)

```
{
```

    HRESULT hr = g_AppModule.Init(NULL, hInstance);

```
    ATLASSERTHR(hr);
```
```
    int result = Run(nShowCmd);
```
```
    g_AppModule.Term();
```
```
    return result;
```
```
}
```

WTL-A basic WTL application

1.包含常用頭文件和宏定義，用於簡化WTL程序編寫的自定義頭文件：WTLHelper.h

2.預編譯頭文件：stdafx.h

3.主窗口定義：MainWindow.h

4.主程序文件：BasicApp.cpp

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