Evaluates the scalar calculation at the specified time instant and returns the results as an array with three elements, the first element being of boolean type indicating whether the computation succeeded, followed by two double-precision values one representing the computed scalar value and the last element representing the scalar's rate of change.

Public Function QuickEvaluateWithRate( _
   ByVal Epoch As System.Object _
) As System.Array

public System.Array QuickEvaluateWithRate(
   System.Object Epoch
);

public: System::Array QuickEvaluateWithRate(
   VARIANT Epoch
);

public Object[] quickEvaluateWithRate(
   Variant Epoch
);

public: HRESULT QuickEvaluateWithRate(
   VARIANT Epoch, 
   SAFEARRAY ** Array
);