windows-server-2003/printscan/wia/drivers/scanner/microsft/wiascnex/classes.h

//(C) COPYRIGHT MICROSOFT CORP., 1998-1999

#ifndef _CLASSES_H_
#define _CLASSES_H_


/*****************************************************************************
class CShellExt

Implement our regular shell extensions.


******************************************************************************/

class ATL_NO_VTABLE CShellExt :
    public CComObjectRootEx<CComSingleThreadModel>,
    public CComCoClass<CShellExt, &CLSID_ScannerShellExt>,
    public IShellExtInit, public IContextMenu
{
    private:
        UINT_PTR m_ScanButtonidCmd;
        UINT_PTR m_CopyButtonidCmd;
        UINT_PTR m_FaxButtonidCmd;
        CComPtr<IWiaItem> m_pItem;
        
    public:
    DECLARE_REGISTRY_RESOURCEID(IDR_VIEWREG)
    BEGIN_COM_MAP(CShellExt)
        COM_INTERFACE_ENTRY(IShellExtInit)
        COM_INTERFACE_ENTRY(IContextMenu)        
    END_COM_MAP()
        
        // IShellExtInit
        STDMETHODIMP Initialize (LPCITEMIDLIST pidlFolder,LPDATAOBJECT lpdobj,HKEY hkeyProgID);
        
        // IContextMenu
        STDMETHODIMP QueryContextMenu (HMENU hmenu,UINT indexMenu,UINT idCmdFirst,UINT idCmdLast,UINT uFlags);
        STDMETHODIMP InvokeCommand    (LPCMINVOKECOMMANDINFO lpici);
        STDMETHODIMP GetCommandString (UINT_PTR idCmd, UINT uType,UINT* pwReserved,LPSTR pszName,UINT cchMax);
        ~CShellExt ();
        CShellExt ();
};

#endif