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 * $RCSfile: ddectrl.hxx,v $
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#ifndef _DDECTRL_HXX
#define _DDECTRL_HXX

#include <tools/link.hxx>
#ifndef _SBERRORS_HXX
#include <basic/sberrors.hxx>
#endif
#include <tools/string.hxx>

class DdeConnection;
class DdeConnections;
class DdeData;

class SbiDdeControl
{
private:
    DECL_LINK( Data, DdeData* );
    SbError GetLastErr( DdeConnection* );
    INT16 GetFreeChannel();
    DdeConnections* pConvList;
    String aData;

public:

    SbiDdeControl();
    ~SbiDdeControl();

    SbError Initiate( const String& rService, const String& rTopic,
                     INT16& rnHandle );
    SbError Terminate( INT16 nChannel );
    SbError TerminateAll();
    SbError Request( INT16 nChannel, const String& rItem, String& rResult );
    SbError Execute( INT16 nChannel, const String& rCommand );
    SbError Poke( INT16 nChannel, const String& rItem, const String& rData );
};

#endif