Apply and Remove Texture Example (C#)

//---------------------------------------------------------------------------
// Preconditions: Verify that the specified part to open exists.
//
// Postconditions:
// 1. Opens the part and applies the texture to the selected face.
// 2. Press F5 to continue running the macro.
// 3. Examine the part to verify that the texture
//    was removed from the Default configuration.
//----------------------------------------------------------------------------
using SolidWorks.Interop.sldworks;
using SolidWorks.Interop.swconst;
using System.Runtime.InteropServices;
using System;
namespace RemoveTexture2_CSharp.csproj
{
    partial class SolidWorksMacro
    {

        ModelDoc2 swModel;
        SelectionMgr swSelMgr;
        ModelDocExtension swModelDocExt;
        Face2 face;
        Texture texture;
        ModelView modelview;
        bool status;
        string displayState;
        int errors;
        int warnings;
        string namStr;

        int[] atIndex = new int[2];

        public void Main()
        {
            // Open the document and select a face
            swModel = swApp.OpenDoc6("C:\\Users\\Public\\Documents\\SOLIDWORKS\SOLIDWORKS 2018\\samples\\tutorial\\api\\pplate.sldprt", (int)swDocumentTypes_e.swDocPART, (int)swOpenDocOptions_e.swOpenDocOptions_Silent, "", ref errors, ref warnings);
            swModelDocExt = swModel.Extension;

            status = swModelDocExt.SelectByID2("", "FACE", -0.02341747645642, 0.03900188771217, -0.008053400767039, false, 0, null, 0);

            swSelMgr = (SelectionMgr)swModel.SelectionManager;
            face = (Face2)swSelMgr.GetSelectedObject6(1, -1);

            // Set the texture on the selected face in the specified display state
            displayState = "<Default>_Display State 1";
            namStr = "<SystemTexture>\\images\\textures\\pattern\\checker2.jpg";
            texture = swModelDocExt.CreateTexture(namStr, 5, 45, false);
            status = face.SetTextureByDisplayState(displayState, texture);

            // Redraw the window view
            modelview = (ModelView)swModel.ActiveView;
            modelview.GraphicsRedraw(null);

            // Examine the selected face to verify that the specified texture was set
            // Press F5 to continue running macro

            System.Diagnostics.Debugger.Break();

            // Remove the texture from the face by the specified configuration
            status = swModelDocExt.SelectByID2("", "FACE", -0.02341747645642, 0.03900188771217, -0.008053400767039, false, 0, null, 0);
            face = (Face2)swSelMgr.GetSelectedObject6(1, -1);
            status = face.RemoveTexture2("Default");

            // Deselect the face to verify that the texture was removed
            atIndex[1] = 1;
            errors = swSelMgr.DeSelect2(atIndex, -1);

        }


        public SldWorks swApp;

    }
}