public enum TimeAreaCurveTypes| UserDefined | 0 | User defined curve, must be specified in |
| RectangularCatchment | 1 | Rectangular catchment |
| DivergentCatchment | 2 | Divergent catchment, widest at its outlet |
| ConvergentCatchment | 3 | Convergent catchment, widest at its head |
| IsOneOf |
Returns true if enumeration is one of the listed ones.
(Defined by GenericExtensions) |