84 lines
1.2 KiB
C
84 lines
1.2 KiB
C
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#ifndef __VOLCOM_H__
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#define __VOLCOM_H__
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#include "sysstruc.h"
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#include "VolList.h"
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#include "DataIo.h"
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#include "errmacro.h"
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class CVolume;
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class EsiVolumeDataObject : public EsiDataObject
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{
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public:
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EsiVolumeDataObject( CVolume* pVol )
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{
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_ASSERTE( pVol );
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m_pVolOwner = pVol;
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}
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//
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// Overridden to use our volume to direct messages to.
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//
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STDMETHOD(SetData)(LPFORMATETC pformatetc, STGMEDIUM FAR * pmedium, BOOL fRelease);
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protected:
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//
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// The volume all communications will be sent to.
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//
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CVolume* m_pVolOwner;
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};
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class EsiVolumeClassFactory : public CClassFactory
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{
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public:
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EsiVolumeClassFactory( CVolume* pVol )
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{
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_ASSERTE( pVol );
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m_pVolOwner = pVol;
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}
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//
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// Overridden to create a data object containing a volume.
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//
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STDMETHODIMP CreateInstance (LPUNKNOWN punkOuter, REFIID iid, void **ppv);
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protected:
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//
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// The volume used when creating the dataobject.
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//
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CVolume* m_pVolOwner;
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};
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class COleStr
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{
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public:
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COleStr()
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{
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m_pStr = NULL;
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}
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virtual ~COleStr()
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{
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if ( m_pStr != NULL )
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CoTaskMemFree( m_pStr );
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}
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operator LPOLESTR()
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{
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return( m_pStr );
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}
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operator LPOLESTR*()
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{
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return( &m_pStr );
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}
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long GetLength()
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{
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return( wcslen( m_pStr ) );
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}
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LPOLESTR m_pStr;
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};
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#endif //__VOLCOM_H__
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