AtlWindow.cpp

AtlWindow.cpp

#define _ATL_NO_AUTOMATIC_NAMESPACE

#include <atlbase.h>
ATL::CAtlWinModule _Module;
#include <atlwin.h>

class Window : public ATL::CWindowImpl<Window>
{
public:
    DECLARE_WND_CLASS(_T("AtlWindow"));

    BEGIN_MSG_MAP(Window)
        MESSAGE_HANDLER(WM_CREATE, OnCreate)
        MESSAGE_HANDLER(WM_CLOSE, OnClose)
        MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
        MESSAGE_HANDLER(WM_MOVE, OnMove)
        MESSAGE_HANDLER(WM_SIZE, OnSize)
    END_MSG_MAP()

private:
    LRESULT OnCreate(UINT msg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        return 0;
    }

    LRESULT OnClose(UINT msg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        DestroyWindow();
        bHandled = true;
        return 0;
    }

    LRESULT OnDestroy(UINT msg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        PostQuitMessage(0);
        bHandled = true;
        return 0;
    }

    LRESULT OnMove(UINT msg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        return 0;
    }

    LRESULT OnSize(UINT msg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        return 0;
    }

protected:
    virtual void OnFinalMessage(_In_ HWND /*hWnd*/) override
    {
        delete this;
    }
};


int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
                     _In_opt_ HINSTANCE hPrevInstance,
                     _In_ LPWSTR    lpCmdLine,
                     _In_ int       nCmdShow)
{
    auto* w = new Window();
    w->Create(nullptr, ATL::CWindow::rcDefault, _T(""), WS_OVERLAPPEDWINDOW);
    w->ShowWindow(SW_SHOW);

    MSG msg;
    while (GetMessage(&msg, NULL, 0, 0) != 0)
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    _Module.Term();
    return 0;
}