public IReadOnlyDictionary<string, Nullable<Object>> ExtendedProperties { get; }
Public ReadOnly Property ExtendedProperties As IReadOnlyDictionary(Of String, Nullable(Of Object)) Get
public: property IReadOnlyDictionary<String^, Nullable<Object^>>^ ExtendedProperties { IReadOnlyDictionary<String^, Nullable<Object^>>^ get (); }