Get Component from Feature Example (C#)

//-----------------------------------------------------------------------------
// Preconditions:
// 1. Open an assembly document with at least one component.
// 2. Select a feature in a component in the FeatureManager design tree.
//
// Postconditions: Inspect the Immediate window.
//----------------------------------------------------------------------------
using Microsoft.VisualBasic;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using SolidWorks.Interop.sldworks;
using SolidWorks.Interop.swconst;
using System.Runtime.InteropServices;
namespace GetComponentFromFeature_CSharp.csproj
{
    partial class SolidWorksMacro
    {

        public void Main()
        {
            ModelDoc2 swModel = default(ModelDoc2);
            Feature swFeature = default(Feature);
            Entity swEntity = default(Entity);
            bool bValue = false;
            Component2 swComponent = default(Component2);

            // Get active document
            swModel = (ModelDoc2)swApp.ActiveDoc;

            // Check the document is an assembly
            if ((swModel.GetType() != (int)swDocumentTypes_e.swDocASSEMBLY))
            {
                return;
            }

            // Get the feature
            swFeature = (Feature)((SelectionMgr)(swModel.SelectionManager)).GetSelectedObject6(1, -1);

            // Cast the feature to an entity
            swEntity = (Entity)swFeature;

            // Get type through entity interface
            Debug.Print("Entity type as defined in swSelectType_e: " + swEntity.GetType());
            Debug.Assert(swEntity.GetType() == (int)swSelectType_e.swSelBODYFEATURES);

            // Get type through feature interface
            // Feature inherits from Entity, so will actually call Entity::GetType
            Debug.Print("Entity type: " + swFeature.GetType());

            // Get the component for the entity
            swComponent = (Component2)swEntity.GetComponent();

            // Print component details
            Debug.Print(swComponent.Name2);
            Debug.Print("  " + swComponent.GetPathName());

            // Clear the selection lists
            swModel.ClearSelection2(true);

            // Select the feature through the Entity interface
            bValue = swEntity.Select4(false, null);

            // Print the type of the selected object
            Debug.Print("Selected object type as defined in swSelectType_e: " + ((SelectionMgr)(swModel.SelectionManager)).GetSelectedObjectType3(1, -1));
            Debug.Assert(((SelectionMgr)(swModel.SelectionManager)).GetSelectedObjectType3(1, -1) == (int)swSelectType_e.swSelBODYFEATURES);

            // Clear the selection lists
            swModel.ClearSelection2(true);

            // Select the feature through the Feature interface
            bValue = swFeature.Select2(false, 0);

            // Print the type of the selected object
            Debug.Print("Selected object type as defined in swSelectType_e: " + ((SelectionMgr)(swModel.SelectionManager)).GetSelectedObjectType3(1, -1));
            Debug.Assert(((SelectionMgr)(swModel.SelectionManager)).GetSelectedObjectType3(1, -1) == (int)swSelectType_e.swSelBODYFEATURES);

        }

        public SldWorks swApp;

    }
}