104 lines
3.0 KiB
C++
104 lines
3.0 KiB
C++
// ==========================================================================
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// Class Specification : COXDispatchMarshaller
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// ==========================================================================
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// Header file : OXDispatchMarshaller.h
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// This software along with its related components, documentation and files ("The Libraries")
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// is © 1994-2007 The Code Project (1612916 Ontario Limited) and use of The Libraries is
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// governed by a software license agreement ("Agreement"). Copies of the Agreement are
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// available at The Code Project (www.codeproject.com), as part of the package you downloaded
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// to obtain this file, or directly from our office. For a copy of the license governing
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// this software, you may contact us at legalaffairs@codeproject.com, or by calling 416-849-8900.
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// //////////////////////////////////////////////////////////////////////////
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// Properties:
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// NO Abstract class (does not have any objects)
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// NO Is a Cwnd.
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// NO Two stage creation (constructor & Create())
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// NO Has a message map
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// NO Needs a resource (template)
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// NO Persistent objects (saveable on disk)
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// YES Uses exceptions
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// //////////////////////////////////////////////////////////////////////////
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// Description :
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// Encapsulation of a IStream object used for marshalling between thread.
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//
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// Remark:
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//
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// Prerequisites (necessary conditions):
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//
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __OXDISPATCHMARSHALLER_H__
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#define __OXDISPATCHMARSHALLER_H__
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/////////////////////////////////////////////////////////////////////////////
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// COXDispatchMarshaller definition
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#if _MSC_VER >= 1000
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#pragma once
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#endif // _MSC_VER >= 1000
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#include "OXDllExt.h"
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class OX_CLASS_DECL COXDispatchMarshaller
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{
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// Data Members
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public:
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protected:
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LPSTREAM m_pStream; // A IStream object used for marshalling between thread (appartements)
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HANDLE m_hMutexEvent; // Mutex for synchronisation of Marshall and Unmarshall.
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private:
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// Member Functions
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public:
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COXDispatchMarshaller();
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// --- In : none
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// --- Out : none
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// --- Returns :
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// --- Effect : constructs the object ans allocates memory for the Stream
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virtual ~COXDispatchMarshaller();
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// --- In : none
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// --- Out : none
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// --- Returns :
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// --- Effect : destructs the object ans releases the Stream
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HRESULT Marshal(IDispatch* pDisp);
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// --- In : pDisp: the dispatch object that needs to be marshalled between to threads
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// --- Out : none
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// --- Returns : the result of the marshalling
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// --- Effect : calls internally CoMarshalInterface (see DSK Ref. for return values)
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HRESULT Unmarshal(void** pDisp);
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// --- In : none
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// --- Out : none
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// --- Returns : the result of the Unmarshalling
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// --- Effect : calls internally CoUnmarshalInterface (see DSK Ref. for return values)
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BOOL CheckStream();
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// --- In : none
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// --- Out : none
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// --- Returns : If the internal stream pointer is created successfully
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// --- Effect :
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protected:
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private:
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};
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#endif //__OXDISPATCHMARSHALLER_H__
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