STRCOLL.H

//=--------------------------------------------------------------------------= 
// StrColl.H 
//=--------------------------------------------------------------------------= 
// Copyright 1995 - 1998 Microsoft Corporation.  All Rights Reserved. 
// 
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF  
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO  
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A  
// PARTICULAR PURPOSE. 
//=--------------------------------------------------------------------------= 
// 
// contains the definitions for the various string collections we'll use 
// 
#ifndef _STRCOLL_H_ 
 
#include "CommDlgInterfaces.H" 
 
 
 
//=--------------------------------------------------------------------------= 
// the CStringsCollection class basically works with a safearray to expose the 
// collection, and uses the safearray functions to maniplate it. 
//=--------------------------------------------------------------------------= 
// NOTES: 9.95 - this collection assumes that the safearray lbound is 
//        zero! 
//=--------------------------------------------------------------------------= 
// 
class CStringCollection { 
 
  public: 
    // a couple of methods that are common 
    // 
    STDMETHOD(get_Count)(THIS_ long FAR* pcStrings); 
    STDMETHOD(get_Item)(THIS_ long lIndex, BSTR FAR* pbstrItem); 
    STDMETHOD(get__NewEnum)(THIS_ IUnknown * FAR* ppUnkNewEnum); 
 
    CStringCollection(SAFEARRAY *); 
    virtual ~CStringCollection(); 
 
  protected: 
    // what the collection will work with. 
    // 
    SAFEARRAY *m_psa; 
}; 
 
class CStringDynaCollection : public CStringCollection { 
 
  public: 
    // in addition to the CStringCollection methods, we'll have 
    // 
    STDMETHOD(put_Item)(THIS_ long lIndex, BSTR bstrItem); 
    STDMETHOD(Add)(THIS_ BSTR bstrNew); 
    STDMETHOD(Remove)(THIS_ long lIndex); 
 
    CStringDynaCollection(SAFEARRAY *); 
    virtual ~CStringDynaCollection(); 
 
}; 
 
 
#define _STRCOLL_H_ 
#endif // _STRCOLL_H_