Win32 SDK封闭实例

我倘若有一个方法的例子可以不考虑默认。例如，SetBgSysColor可以改变默认的窗口的客户区的背景色。方法SetResIcons从资源中装入适当的图标，并把它们附在窗口类上。这些图标将在当时显示在主窗口和Windows的任务栏中。

TopWinClass来由于WinClass的方法的使用。它同样分配菜单到顶层窗口类中。

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class WinSimpleClass

{

public:

WinSimpleClass (char const * name, HINSTANCE hInst)

: _name (name), _hInstance (hInst)

{}

WinSimpleClass (int resId, HINSTANCE hInst);

char const * GetName () const { return _name.c_str (); }

HINSTANCE GetInstance () const { return _hInstance; }

HWND GetRunningWindow ();

protected:

HINSTANCE_hInstance;

std::string_name;

};

WinSimpleClass::WinSimpleClass (int resId, HINSTANCE hInst)

: _hInstance (hInst)

{

ResString resStr (hInst, resId);

_name = resStr;

}

HWND WinSimpleClass::GetRunningWindow ()

{

HWND hwnd = ::FindWindow (GetName (), 0);

if (::IsWindow (hwnd))

{

HWND hwndPopup = ::GetLastActivePopup (hwnd);

if (::IsWindow (hwndPopup))

hwnd = hwndPopup;

}

else

hwnd = 0;

return hwnd;

}

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class WinClass: public WinSimpleClass

{

public:

WinClass (char const * className, HINSTANCE hInst, WNDPROC wndProc);