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#ifndef SC_DDELINK_HXX
#define SC_DDELINK_HXX

#include <bf_so3/lnkbase.hxx>
#include <bf_svtools/brdcst.hxx>
namespace binfilter {

class ScDocument;
class ScMatrix;
class ScMultipleReadHeader;
class ScMultipleWriteHeader;

class ScDdeLink : public ::binfilter::SvBaseLink, public SfxBroadcaster
{
private:
static BOOL	bIsInUpdate;

    ScDocument*		pDoc;

    String			aAppl;			// Verbindungsdaten
    String			aTopic;
    String			aItem;
    BYTE			nMode;			// Zahlformat-Modus

    BOOL			bNeedUpdate;	// wird gesetzt, wenn Update nicht moeglich war

    ScMatrix*		pResult;		// Ergebnis

public:
    TYPEINFO();

            ScDdeLink( ScDocument* pD,
                         const String& rA, const String& rT, const String& rI,
                        BYTE nM );
            ScDdeLink( ScDocument* pD, SvStream& rStream, ScMultipleReadHeader& rHdr );
    virtual ~ScDdeLink();

    void			Store( SvStream& rStream, ScMultipleWriteHeader& rHdr ) const;

                                            // von SvBaseLink ueberladen:
    virtual void	DataChanged( const String& rMimeType,
                                const ::com::sun::star::uno::Any & rValue );

                                            // von SfxBroadcaster ueberladen:

                                            // fuer Interpreter:

    const ScMatrix*	GetResult() const	{ return pResult; }
    ScMatrix* GetResult()	{return pResult; }

    const String&	GetAppl() const		{ return aAppl; }
    const String&	GetTopic() const	{ return aTopic; }
    const String&	GetItem() const		{ return aItem; }
    BYTE			GetMode() const		{ return nMode; }

    void			TryUpdate();
};


} //namespace binfilter
#endif

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