Evaluates the surface, given the u and v parameters of the surface.
.NET Syntax
Visual Basic (Declaration)  

Function IEvaluate( _
ByVal UParam As Double, _
ByVal VParam As Double, _
ByVal NumUDeriv As Integer, _
ByVal NumVDeriv As Integer _
) As Double 
Visual Basic (Usage)  

Dim instance As ISurface
Dim UParam As Double
Dim VParam As Double
Dim NumUDeriv As Integer
Dim NumVDeriv As Integer
Dim value As Double
value = instance.IEvaluate(UParam, VParam, NumUDeriv, NumVDeriv)

Parameters
 UParam
Value of u parameter
 VParam
Value of v parameter
 NumUDeriv
Number of u derivatives required
 NumVDeriv
Number of v derivatives required
Remarks
See Also