ATL / WTL / STL

R.Bischoff | C++
 
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extern CAppModule _Module;

// This template code should be placed in it's own header file for
// reusability... 
template <typename TWnd>
class CMainWindowedAppModule : public CAppModule {
     TWnd* m_pWnd;
public:
     void SetMainWindow(TWnd* pWnd) {
          m_pWnd = pWnd;
     }
 
     TWnd* GetMainWindow() {
         return m_pWnd;
     }
};
 
extern CMainWindowedAppModule <class CMainFrame> _Module;

CAppModule _Module;

CMainWindowedAppModule <class CMainFrame> _Module;

class CMainFrame;
class CParentFrame
{
private:
    CMainFrame* m_pMainFrame;
public:
    CParentFrame() : m_pMainFrame(NULL)
    {
    }

    CMainFrame* GetMainFrame() const { ATLASSERT(m_pMainFrame != NULL); return m_pMainFrame; }
    void SetMainFrame(CMainFrame* pFrame) { m_pMainFrame = pFrame; }
}

HWND hWnd = ::GetDlgItem(GetParent(), ATL_IDW_STATUS_BAR);<br />
CStatusBarCtrl sb = hWnd;<br />
sb.SetWindowText(_T("My status bar text"));