<SoapDocumentMethodAttribute(RequestNamespace="http://www.esri.com/schemas/ArcGIS/10.1", 
   ResponseNamespace="http://www.esri.com/schemas/ArcGIS/10.1", 
   Use=SoapBindingUse.Literal, 
   ParameterStyle=SoapParameterStyle.Wrapped)>
Public Function ComputeDistance( _
   ByVal MapName As String, _
   ByVal FromPoint As Point, _
   ByVal ToPoint As Point, _
   ByVal Units As esriUnits _
) As Double

Dim instance As MapServerProxy
Dim MapName As String
Dim FromPoint As Point
Dim ToPoint As Point
Dim Units As esriUnits
Dim value As Double
 
value = instance.ComputeDistance(MapName, FromPoint, ToPoint, Units)

[SoapDocumentMethodAttribute(RequestNamespace="http://www.esri.com/schemas/ArcGIS/10.1", 
   ResponseNamespace="http://www.esri.com/schemas/ArcGIS/10.1", 
   Use=SoapBindingUse.Literal, 
   ParameterStyle=SoapParameterStyle.Wrapped)]
public double ComputeDistance( 
   string MapName,
   Point FromPoint,
   Point ToPoint,
   esriUnits Units
)