If the course type is esriCTTangentCurve or esriCTCurve, defines the curve parameter of the first value.
[Visual Basic .NET] Public Property CurveParameter1 As esriCurveParameter
[C#] public esriCurveParameter CurveParameter1 {get; set;}
Product Availability
Available with ArcGIS Desktop.
Remarks
The CurveParameter1 property defines what the curve parameter in Measure1 value represents. The CurveParameter1 is only used when the course type is either esriCTCurve or esriCTTangentCurve.