windows-server-2003/admin/snapin/framewrk/inc/stdabout.cpp

/////////////////////////////////////////////////////////////////////
//	StdAbout.cpp
//
//	Implementation of the ISnapinAbout interface
//
//	HISTORY
//	31-Jul-97	t-danm		Creation.
/////////////////////////////////////////////////////////////////////

#include "stdutils.h" // HrLoadOleString()

CSnapinAbout::CSnapinAbout()
: m_hSmallImage (0),
  m_hSmallImageOpen (0),
  m_hLargeImage (0)
{
}

CSnapinAbout::~CSnapinAbout()
{
    if ( m_hSmallImage )
        ::DeleteObject (m_hSmallImage);
    
    if ( m_hSmallImageOpen )
        ::DeleteObject (m_hSmallImageOpen);
    
    if ( m_hLargeImage )
        ::DeleteObject (m_hLargeImage);
}

STDMETHODIMP CSnapinAbout::GetSnapinDescription(OUT LPOLESTR __RPC_FAR *lpDescription)
	{
	return HrLoadOleString(m_uIdStrDestription, OUT lpDescription);
	}

STDMETHODIMP CSnapinAbout::GetProvider(OUT LPOLESTR __RPC_FAR *lpName)
	{
	return HrCopyToOleString(m_szProvider, OUT lpName);
	}

STDMETHODIMP CSnapinAbout::GetSnapinVersion(OUT LPOLESTR __RPC_FAR *lpVersion)
	{
	return HrCopyToOleString(m_szVersion, OUT lpVersion);
	}

STDMETHODIMP CSnapinAbout::GetSnapinImage(OUT HICON __RPC_FAR *hAppIcon)
	{
	if (hAppIcon == NULL)
		return E_POINTER;
	AFX_MANAGE_STATE(AfxGetStaticModuleState());	// Required for AfxGetInstanceHandle()
    *hAppIcon = ::LoadIcon(AfxGetInstanceHandle(), MAKEINTRESOURCE(m_uIdIconImage));
    if (*hAppIcon == NULL)
		{
		ASSERT(FALSE && "Unable to load icon");
		return E_FAIL;
		}
	return S_OK;
	}

STDMETHODIMP CSnapinAbout::GetStaticFolderImage(
            OUT HBITMAP __RPC_FAR *hSmallImage,
            OUT HBITMAP __RPC_FAR *hSmallImageOpen,
            OUT HBITMAP __RPC_FAR *hLargeImage,
            OUT COLORREF __RPC_FAR *crMask)
{	
	ASSERT(hSmallImage != NULL);
	ASSERT(hSmallImageOpen != NULL);
	ASSERT(hLargeImage != NULL);
	ASSERT(crMask != NULL);
	AFX_MANAGE_STATE(AfxGetStaticModuleState());	// Required for AfxGetInstanceHandle()
	HINSTANCE hInstance = AfxGetInstanceHandle();

    if ( !m_hSmallImage )
	    m_hSmallImage = ::LoadBitmap(hInstance, MAKEINTRESOURCE(m_uIdBitmapSmallImage));
    if ( !m_hSmallImageOpen )
	    m_hSmallImageOpen = ::LoadBitmap(hInstance, MAKEINTRESOURCE(m_uIdBitmapSmallImageOpen));
    if ( !m_hLargeImage )
	    m_hLargeImage = ::LoadBitmap(hInstance, MAKEINTRESOURCE(m_uIdBitmapLargeImage));

	*hSmallImage = m_hSmallImage;
	*hSmallImageOpen = m_hSmallImageOpen;
	*hLargeImage = m_hLargeImage;
    
    *crMask = m_crImageMask;
	#ifdef _DEBUG
	if (NULL == *hSmallImage || NULL == *hSmallImageOpen || NULL == *hLargeImage)
	{
		TRACE0("WRN: CSnapinAbout::GetStaticFolderImage() - Unable to load all the bitmaps.\n");
		return E_FAIL;
	}
	#endif
	return S_OK;
}