Solid Edge Assembly Type Library
RigidSetRelation3d Object
Members 
Description
Object Model
RigidSetRelation3d ObjectSuppressVariable ObjectApplication ObjectSuppressVariable ObjectApplication Object
Example
Imports System.IO
Imports System.Runtime.InteropServices

Module Example
    <STAThread()> _
    Sub Main()

        Dim objApplication As SolidEdgeFramework.Application
        Dim objAssemblyDocument As SolidEdgeAssembly.AssemblyDocument
        Dim objRelations3d As SolidEdgeAssembly.Relations3d
        Dim objRigidSetRelation3d As SolidEdgeAssembly.RigidSetRelation3d
        Dim objRelation As Object

        Try
            OleMessageFilter.Register()

            objApplication = Marshal.GetActiveObject("SolidEdge.Application")
            objAssemblyDocument = objApplication.ActiveDocument
            objRelations3d = objAssemblyDocument.Relations3d

            For i = 1 To objRelations3d.Count
                objRelation = objRelations3d.Item(i)

                If objRelation.Type = SolidEdgeFramework.ObjectType.igRigidSetRelation3d Then
                    objRigidSetRelation3d = objRelation
                End If
            Next

        Catch ex As Exception
            Console.WriteLine(ex.Message)
        Finally
            OleMessageFilter.Revoke()
        End Try
    End Sub
End Module
using System.IO;
using System.Runtime.InteropServices;

internal static class Example
{
    [STAThread()]
    public static void Main()
    {

        SolidEdgeFramework.Application objApplication = null;
        SolidEdgeAssembly.AssemblyDocument objAssemblyDocument = null;
        SolidEdgeAssembly.Relations3d objRelations3d = null;
        SolidEdgeAssembly.RigidSetRelation3d objRigidSetRelation3d = null;
        dynamic objRelation = null;

        try
        {
            OleMessageFilter.Register();

            objApplication = (SolidEdgeFramework.Application)Marshal.GetActiveObject("SolidEdge.Application");
            objAssemblyDocument = objApplication.ActiveDocument;
            objRelations3d = objAssemblyDocument.Relations3d;

            for (var i = 1; i <= objRelations3d.Count; i++)
            {
                objRelation = objRelations3d.Item(i);

                if (objRelation.Type == SolidEdgeFramework.ObjectType.igRigidSetRelation3d)
                {
                    objRigidSetRelation3d = (SolidEdgeAssembly.RigidSetRelation3d)objRelation;
                }
            }

        }
        catch (Exception ex)
        {
            Console.WriteLine(ex.Message);
        }
        finally
        {
            OleMessageFilter.Revoke();
        }
    }
}
See Also

RigidSetRelation3d Members  | Solid Edge ST5 - What's New