public KeyValuePair[] Pairs { get; set; }

Public Property Pairs As KeyValuePair()
	Get
	Set

public:
property array<KeyValuePair^>^ Pairs {
	array<KeyValuePair^>^ get ();
	void set (array<KeyValuePair^>^ value);
}

member Pairs : KeyValuePair[] with get, set

WebCrmData newRecord = new WebCrmData();
newRecord.Pairs = new KeyValuePair[]
{
    new KeyValuePair("activity_ID", "0"),
    new KeyValuePair("a_organisationID", "1"),
    new KeyValuePair("a_date", "20100101 10:44:10")
};