Windows下如何自定义窗体控件

2011-08-31 23:46 Clingingboy 阅读(2790) 评论(0) 编辑收藏举报

Win32窗体的所有控件都认为是窗体,所以创建一个自定义的控件跟创建一个win32的窗体是相似的

参考此篇文章

http://www.codeproject.com/KB/miscctrl/custbutton001.aspx

先通过RegisterClassEx注册一个window class,然后就在消息循环里获取消息绘制控件.

在MFC中自定义控件

依照此思想,在MFC中也是如此做法,让一个控件继承自CWnd,然后通过AfxRegisterClass方法注册,可以参考此篇文章

http://www.codeproject.com/KB/miscctrl/customcontrol.aspx

主要的代码

CBitmapViewer::CBitmapViewer()
{
    RegisterWindowClass();
}

CBitmapViewer::~CBitmapViewer()
{
}

// Register the window class if it has not already been registered.
BOOL CBitmapViewer::RegisterWindowClass()
{
    WNDCLASS wndcls;
    HINSTANCE hInst = AfxGetInstanceHandle();

    if (!(::GetClassInfo(hInst, BITMAPVIEWER_CLASSNAME, &wndcls)))
    {
        // otherwise we need to register a new class
        wndcls.style            = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW;
        wndcls.lpfnWndProc      = ::DefWindowProc;
        wndcls.cbClsExtra       = wndcls.cbWndExtra = 0;
        wndcls.hInstance        = hInst;
        wndcls.hIcon            = NULL;
        wndcls.hCursor          = AfxGetApp()->LoadStandardCursor(IDC_ARROW);
        wndcls.hbrBackground    = (HBRUSH) (COLOR_3DFACE + 1);
        wndcls.lpszMenuName     = NULL;
        wndcls.lpszClassName    = BITMAPVIEWER_CLASSNAME;

        if (!AfxRegisterClass(&wndcls))
        {
            AfxThrowResourceException();
            return FALSE;
        }
    }

    return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CBitmapViewer methods

BOOL CBitmapViewer::Create(CWnd* pParentWnd, const RECT& rect, UINT nID, DWORD dwStyle /*=WS_VISIBLE*/)
{
    return CWnd::Create(BITMAPVIEWER_CLASSNAME, _T(""), dwStyle, rect, pParentWnd, nID);
}

默认windows系统皮肤

win32的控件在不同windows版本下皮肤不一样,默认创建的win32程序和mfc程序的皮肤还是老版本的样式.为了使用新的皮肤必须初始化一个类库

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

把这句话加到头文件中，然后会生产到manifest文件中

<dependency> 
    <dependentAssembly> 
        <assemblyIdentity 
            type="win32" 
            name="Microsoft.Windows.Common-Controls" 
            version="6.0.0.0" 
            processorArchitecture="X86" 
            publicKeyToken="6595b64144ccf1df" 
            language="*" 
        /> 
    </dependentAssembly> 
</dependency>