DicomObjects.NET.8.48 Documentation
DicomObjects Namespace / DicomContext Class / ExtendedNegotiationValues Property

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    ExtendedNegotiationValues Property
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    Used to negotiate extended information about a SOP class
    Public Property ExtendedNegotiationValues As System.Byte()
    Dim instance As DicomContext
    Dim value() As System.Byte
    instance.ExtendedNegotiationValues = value
    value = instance.ExtendedNegotiationValues
    public System.byte[] ExtendedNegotiationValues {get; set;}
    public read-write property ExtendedNegotiationValues: System.array of Byte; 
    public function get,set ExtendedNegotiationValues : System.byte[]
    public: __property System.byte[]* get_ExtendedNegotiationValues();
    public: __property void set_ExtendedNegotiationValues( 
       System.byte[][]* value
    property System.array<byte>^ ExtendedNegotiationValues {
       System.array<byte>^ get();
       void set (    System.array<byte>^ value);

    This property enable applications to share or negotiate extended information about themselves.

    The exact meanings of the various values and byte positions used for extended negotiation vary from one service class to another, and they are all detailed in part 4 of DICOM. e.g. for C-STORE operations, byte 1 represents the "storage level", byte 3 the level of digital signature support and byte 5 controls the coercion of data elements (2,4, & 6 are reserved). However, for C-FIND operations, only 1 byte is specified, indicating whether the SCP supports relational queries. In all cases, support is optional, and default values exist if extended negotiation is not performed.

    If this property is set to true, then any extended negotiation items set up before Open are proposed. When incoming associations are received, then incoming values are automatically sent out again (i.e. accepted) unless altered using the ExtendedNegotiationValues property in the AssociationRequest event.

    Once an association is established, this property becomes read-only, but still reflects the arrangement negotiated.

    Please note that this property is shared between all contexts with the same AbstractSyntax (SOP class), so changing one will change the value for any other matching contexts.


    Target Platforms: .NET CLR 4.8 or higher

    See Also