[C#]
    event TSBCAdESBeforeAddTimestampEvent OnBeforeAddTimestamp;
    delegate void TSBCAdESBeforeAddTimestampEvent(Object Sender, TElCMSSignature Signature, TElCustomTSPClient TSPClient);

[VB.NET]
    Event OnBeforeAddTimestamp As TSBCAdESBeforeAddTimestampEvent
    Delegate Sub TSBCAdESBeforeAddTimestampEvent(ByVal Sender As Object, ByVal Signature As TElCMSSignature, ByVal TSPClient As TElCustomTSPClient)

[Pascal]
    property OnBeforeAddTimestamp : TSBCAdESBeforeAddTimestampEvent;
    TSBCAdESBeforeAddTimestampEvent = procedure(Sender : TObject; Signature : TElCMSSignature; TSPClient : TElCustomTSPStorage) of object;

[C++]
    void get_OnBeforeAddTimestamp(TSBCAdESBeforeAddTimestampEvent &pMethodOutResult, void * &pDataOutResult);
    void set_OnBeforeAddTimestamp(TSBCAdESBeforeAddTimestampEvent pMethodValue, void * pDataValue);
    typedef void (SB_CALLBACK *TSBCAdESBeforeAddTimestampEvent)(void * _ObjectData, TObjectHandle Sender, TElCMSSignatureHandle Signature, TElCustomTSPClientHandle TSPClient);

[PHP]
    TSBCAdESBeforeAddTimestampEvent|callable|NULL get_OnBeforeAddTimestamp()
    void set_OnBeforeAddTimestamp(TSBCAdESBeforeAddTimestampEvent|callable|NULL $Value)
    callable TSBCAdESBeforeAddTimestampEvent(TObject $Sender, TElCMSSignature $Signature, TElCustomTSPClient $TSPClient)

[Java]
    TSBCAdESBeforeAddTimestampEvent getOnBeforeAddTimestamp();
    void setOnBeforeAddTimestamp(TSBCAdESBeforeAddTimestampEvent Value);
    TSBCAdESBeforeAddTimestampEvent.Callback OnBeforeAddTimestamp = new TSBCAdESBeforeAddTimestampEvent.Callback() {
        public void TSBCAdESBeforeAddTimestampEventCallback(TObject Sender, TElCMSSignature Signature, TElCustomTSPClient TSPClient) {
            //...
        }
    }