Function ISetAssignedMassProp( _
   ByVal Mass As Double, _
   ByVal Center_x As Double, _
   ByVal Center_y As Double, _
   ByVal Center_z As Double, _
   ByVal Config_opt As Integer, _
   ByVal ConfigNum As Integer, _
   ByRef Config_names As String _
) As Boolean

Dim instance As IMassProperty
Dim Mass As Double
Dim Center_x As Double
Dim Center_y As Double
Dim Center_z As Double
Dim Config_opt As Integer
Dim ConfigNum As Integer
Dim Config_names As String
Dim value As Boolean
 
value = instance.ISetAssignedMassProp(Mass, Center_x, Center_y, Center_z, Config_opt, ConfigNum, Config_names)

bool ISetAssignedMassProp( 
   double Mass,
   double Center_x,
   double Center_y,
   double Center_z,
   int Config_opt,
   int ConfigNum,
   ref string Config_names
)

bool ISetAssignedMassProp( 
&   double Mass,
&   double Center_x,
&   double Center_y,
&   double Center_z,
&   int Config_opt,
&   int ConfigNum,
&   String^% Config_names
)