HYTOS

using System.Runtime.InteropServices;

        [DllImport("kernel32")]

        private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);

        [DllImport("kernel32")]

        private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);

        [DllImport("kernel32.dll")]

        private static extern int GetPrivateProfileSection(string lpAppName, byte[] lpszReturnBuffer, int nSize, string lpFileName);

        /// <summary>

        /// Write Data to the INI File

        /// </summary>

        /// <PARAM name="Section"></PARAM>

        /// Section name

        /// <PARAM name="Key"></PARAM>

        /// Key Name

        /// <PARAM name="Value"></PARAM>

        /// Value Name

        public static void IniWriteValue(string sPath, string Section, string Key, string Value)

        {

            WritePrivateProfileString(Section, Key, Value, sPath);

        }

        /// <summary>

        /// Read Data Value From the Ini File

        /// </summary>

        /// <PARAM name="Section"></PARAM>

        /// <PARAM name="Key"></PARAM>

        /// <PARAM name="Path"></PARAM>

        /// <returns></returns>

        public static string IniReadValue(string sPath, string Section, string Key)

        {

            StringBuilder temp = new StringBuilder(255);

            int i = GetPrivateProfileString(Section, Key, string.Empty, temp, 255, sPath);

            return temp.ToString();

        }

            devDept.Eyeshot.Camera camera1 = new devDept.Eyeshot.Camera(new devDept.Geometry.Point3D(-4.5374030325107811E-16D, 2.0434646606445308D, 47.596564948558793D), 97.257904648780823D, new devDept.Geometry.Quaternion(0.49999999999999989D, 0.5D, 0.5D, 0.50000000000000011D), devDept.Graphics.projectionType.Orthographic, 40D, 1.3889669754156004D, false, 0.001D);

            devDept.Eyeshot.Viewport viewport1 = new devDept.Eyeshot.Viewport(new System.Drawing.Point(0, 0), new System.Drawing.Size(426, 334), backgroundSettings1, camera1, new devDept.Eyeshot.ToolBar[] {

            devDept.Eyeshot.Camera camera2 = new devDept.Eyeshot.Camera(new devDept.Geometry.Point3D(-4.5374030325107811E-16D, 2.0434646606445308D, 47.596564948558793D), 97.257904648780823D, new devDept.Geometry.Quaternion(0.49999999999999989D, 0.5D, 0.5D, 0.50000000000000011D), devDept.Graphics.projectionType.Orthographic, 40D, 1.3889669754156004D, false, 0.001D);

            devDept.Eyeshot.Viewport viewport2 = new devDept.Eyeshot.Viewport(new System.Drawing.Point(0, 0), new System.Drawing.Size(426, 334), backgroundSettings2, camera2, new devDept.Eyeshot.ToolBar[] {

            Telerik.WinControls.UI.TableViewDefinition tableViewDefinition2 = new Telerik.WinControls.UI.TableViewDefinition();

            this.splitPanel4 = new Telerik.WinControls.UI.SplitPanel();

            this.tableLayoutPanelMain = new System.Windows.Forms.TableLayoutPanel();

            this.tableLayoutPanel1 = new System.Windows.Forms.TableLayoutPanel();

            this.radLabel1 = new Telerik.WinControls.UI.RadLabel();

            this.radTextBoxID2DrawingFolder = new Telerik.WinControls.UI.RadTextBox();

            this.tableLayoutPanel2 = new System.Windows.Forms.TableLayoutPanel();

            this.radLabel2 = new Telerik.WinControls.UI.RadLabel();

            this.radBrowseEditorAVEVAPIDFolder = new Telerik.WinControls.UI.RadBrowseEditor();

            this.radGridViewData = new Telerik.WinControls.UI.RadGridView();

            this.splitPanelData.SuspendLayout();

            ((System.ComponentModel.ISupportInitialize)(this.splitPanel4)).BeginInit();

            this.splitPanel4.SuspendLayout();

            this.tableLayoutPanelMain.SuspendLayout();

            this.tableLayoutPanel1.SuspendLayout();

            ((System.ComponentModel.ISupportInitialize)(this.radLabel1)).BeginInit();

            ((System.ComponentModel.ISupportInitialize)(this.radTextBoxID2DrawingFolder)).BeginInit();

            this.tableLayoutPanel2.SuspendLayout();

            ((System.ComponentModel.ISupportInitialize)(this.radLabel2)).BeginInit();

            ((System.ComponentModel.ISupportInitialize)(this.radBrowseEditorAVEVAPIDFolder)).BeginInit();

            ((System.ComponentModel.ISupportInitialize)(this.radGridViewData)).BeginInit();

            ((System.ComponentModel.ISupportInitialize)(this.radGridViewData.MasterTemplate)).BeginInit();

            this.radSplitContainer1.Orientation = System.Windows.Forms.Orientation.Horizontal;

            this.radSplitContainer1.Size = new System.Drawing.Size(856, 538);

            this.splitPanel1.Size = new System.Drawing.Size(856, 334);

            this.radSplitContainer2.Size = new System.Drawing.Size(856, 334);

            this.splitPanel2.Size = new System.Drawing.Size(856, 334);

            this.radSplitContainer3.Size = new System.Drawing.Size(856, 334);

            this.splitPanelAutoCAD.Size = new System.Drawing.Size(426, 334);

            this.designAutoCAD.Size = new System.Drawing.Size(426, 334);

            this.splitPanelAVEVA.Location = new System.Drawing.Point(430, 0);

            this.splitPanelAVEVA.Size = new System.Drawing.Size(426, 334);

            this.designAVEVA.Size = new System.Drawing.Size(426, 334);

            this.splitPanelData.Controls.Add(this.radGridViewData);

            this.splitPanelData.Location = new System.Drawing.Point(0, 338);

            this.splitPanelData.Size = new System.Drawing.Size(856, 200);

            this.radSplitContainerMain.Location = new System.Drawing.Point(0, 70);

            this.radSplitContainerMain.Size = new System.Drawing.Size(1110, 538);

            this.splitPanelDocument.Size = new System.Drawing.Size(250, 538);

            this.radGridViewDocument.MasterTemplate.ViewDefinition = tableViewDefinition2;

            this.radGridViewDocument.Size = new System.Drawing.Size(250, 538);

            // splitPanel4

            // 

            this.splitPanel4.Controls.Add(this.radSplitContainer1);

            this.splitPanel4.Location = new System.Drawing.Point(254, 0);

            this.splitPanel4.Name = "splitPanel4";

            // 

            // 

            // 

            this.splitPanel4.RootElement.MinSize = new System.Drawing.Size(25, 25);

            this.splitPanel4.Size = new System.Drawing.Size(856, 538);

            this.splitPanel4.TabIndex = 1;

            this.splitPanel4.TabStop = false;

            this.splitPanel4.Text = "splitPanel4";

            // 

            // tableLayoutPanelMain

            // 

            this.tableLayoutPanelMain.ColumnCount = 1;

            this.tableLayoutPanelMain.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));

            this.tableLayoutPanelMain.Controls.Add(this.radSplitContainerMain, 0, 2);

            this.tableLayoutPanelMain.Controls.Add(this.tableLayoutPanel1, 0, 0);

            this.tableLayoutPanelMain.Controls.Add(this.tableLayoutPanel2, 0, 1);

            this.tableLayoutPanelMain.Dock = System.Windows.Forms.DockStyle.Fill;

            this.tableLayoutPanelMain.Location = new System.Drawing.Point(0, 0);

            this.tableLayoutPanelMain.Name = "tableLayoutPanelMain";

            this.tableLayoutPanelMain.RowCount = 3;

            this.tableLayoutPanelMain.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 35F));

            this.tableLayoutPanelMain.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 35F));

            this.tableLayoutPanelMain.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));

            this.tableLayoutPanelMain.Size = new System.Drawing.Size(1110, 608);

            this.tableLayoutPanelMain.TabIndex = 2;

            // 

            // tableLayoutPanel1

            // 

            this.tableLayoutPanel1.ColumnCount = 2;

            this.tableLayoutPanel1.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute, 120F));

            this.tableLayoutPanel1.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));

            this.tableLayoutPanel1.Controls.Add(this.radLabel1, 0, 0);

            this.tableLayoutPanel1.Controls.Add(this.radTextBoxID2DrawingFolder, 1, 0);

            this.tableLayoutPanel1.Dock = System.Windows.Forms.DockStyle.Fill;

            this.tableLayoutPanel1.Location = new System.Drawing.Point(3, 3);

            this.tableLayoutPanel1.Name = "tableLayoutPanel1";

            this.tableLayoutPanel1.RowCount = 1;

            this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));

            this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 29F));

            this.tableLayoutPanel1.Size = new System.Drawing.Size(1104, 29);

            this.tableLayoutPanel1.TabIndex = 2;

            // 

            // radLabel1

            // 

            this.radLabel1.Anchor = System.Windows.Forms.AnchorStyles.Left;

            this.radLabel1.Location = new System.Drawing.Point(3, 5);

            this.radLabel1.Name = "radLabel1";

            this.radLabel1.Size = new System.Drawing.Size(111, 18);

            this.radLabel1.TabIndex = 0;

            this.radLabel1.Text = "ID2 Drawing Folder : ";

            // 

            // radTextBoxID2DrawingFolder

            // 

            this.radTextBoxID2DrawingFolder.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Left | System.Windows.Forms.AnchorStyles.Right)));

            this.radTextBoxID2DrawingFolder.Enabled = false;

            this.radTextBoxID2DrawingFolder.Location = new System.Drawing.Point(123, 4);

            this.radTextBoxID2DrawingFolder.Name = "radTextBoxID2DrawingFolder";

            this.radTextBoxID2DrawingFolder.Size = new System.Drawing.Size(978, 20);

            this.radTextBoxID2DrawingFolder.TabIndex = 1;

            // 

            // tableLayoutPanel2

            // 

            this.tableLayoutPanel2.ColumnCount = 2;

            this.tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute, 120F));

            this.tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));

            this.tableLayoutPanel2.Controls.Add(this.radLabel2, 0, 0);

            this.tableLayoutPanel2.Controls.Add(this.radBrowseEditorAVEVAPIDFolder, 1, 0);

            this.tableLayoutPanel2.Dock = System.Windows.Forms.DockStyle.Fill;

            this.tableLayoutPanel2.Location = new System.Drawing.Point(3, 38);

            this.tableLayoutPanel2.Name = "tableLayoutPanel2";

            this.tableLayoutPanel2.RowCount = 1;

            this.tableLayoutPanel2.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));

            this.tableLayoutPanel2.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 29F));

            this.tableLayoutPanel2.Size = new System.Drawing.Size(1104, 29);

            this.tableLayoutPanel2.TabIndex = 3;

            // 

            // radLabel2

            // 

            this.radLabel2.Anchor = System.Windows.Forms.AnchorStyles.Left;

            this.radLabel2.Location = new System.Drawing.Point(3, 5);

            this.radLabel2.Name = "radLabel2";

            this.radLabel2.Size = new System.Drawing.Size(104, 18);

            this.radLabel2.TabIndex = 0;

            this.radLabel2.Text = "AVEVA P&ID Folder : ";

            // 

            // radBrowseEditorAVEVAPIDFolder

            // 

            this.radBrowseEditorAVEVAPIDFolder.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Left | System.Windows.Forms.AnchorStyles.Right)));

            this.radBrowseEditorAVEVAPIDFolder.DialogType = Telerik.WinControls.UI.BrowseEditorDialogType.FolderBrowseDialog;

            this.radBrowseEditorAVEVAPIDFolder.Location = new System.Drawing.Point(123, 4);

            this.radBrowseEditorAVEVAPIDFolder.Name = "radBrowseEditorAVEVAPIDFolder";

            this.radBrowseEditorAVEVAPIDFolder.Size = new System.Drawing.Size(978, 20);

            this.radBrowseEditorAVEVAPIDFolder.TabIndex = 1;

            // 

            // radGridViewData

            // 

            this.radGridViewData.Dock = System.Windows.Forms.DockStyle.Fill;

            this.radGridViewData.Location = new System.Drawing.Point(0, 0);

            // 

            // 

            // 

            this.radGridViewData.MasterTemplate.ViewDefinition = tableViewDefinition1;

            this.radGridViewData.Name = "radGridViewData";

            this.radGridViewData.Size = new System.Drawing.Size(856, 200);

            this.radGridViewData.TabIndex = 0;

            // 

            this.Controls.Add(this.tableLayoutPanelMain);

            this.splitPanelData.ResumeLayout(false);

            ((System.ComponentModel.ISupportInitialize)(this.splitPanel4)).EndInit();

            this.splitPanel4.ResumeLayout(false);

            this.tableLayoutPanelMain.ResumeLayout(false);

            this.tableLayoutPanel1.ResumeLayout(false);

            this.tableLayoutPanel1.PerformLayout();

            ((System.ComponentModel.ISupportInitialize)(this.radLabel1)).EndInit();

            ((System.ComponentModel.ISupportInitialize)(this.radTextBoxID2DrawingFolder)).EndInit();

            this.tableLayoutPanel2.ResumeLayout(false);

            this.tableLayoutPanel2.PerformLayout();

            ((System.ComponentModel.ISupportInitialize)(this.radLabel2)).EndInit();

            ((System.ComponentModel.ISupportInitialize)(this.radBrowseEditorAVEVAPIDFolder)).EndInit();

            ((System.ComponentModel.ISupportInitialize)(this.radGridViewData.MasterTemplate)).EndInit();

            ((System.ComponentModel.ISupportInitialize)(this.radGridViewData)).EndInit();

        private System.Windows.Forms.TableLayoutPanel tableLayoutPanelMain;

        private System.Windows.Forms.TableLayoutPanel tableLayoutPanel1;

        private Telerik.WinControls.UI.RadLabel radLabel1;

        private System.Windows.Forms.TableLayoutPanel tableLayoutPanel2;

        private Telerik.WinControls.UI.RadLabel radLabel2;

        private Telerik.WinControls.UI.RadTextBox radTextBoxID2DrawingFolder;

        private Telerik.WinControls.UI.RadBrowseEditor radBrowseEditorAVEVAPIDFolder;

        private Telerik.WinControls.UI.RadGridView radGridViewData;

using devDept.Eyeshot;

using devDept.Eyeshot.Entities;

using devDept.Geometry.Entities;

using ID2.Manager.Common;

using System.Runtime.InteropServices;

        readonly string IniFilePath = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), 

            Application.ProductName, $"{Application.ProductName}.ini");

        private static readonly Color NOT_MODIFIED_COLOR = Color.FromArgb(44, 44, 44);

            this.Load += Verification_Load;

            this.radBrowseEditorAVEVAPIDFolder.ValueChanged += RadBrowseEditorAVEVAPIDFolder_ValueChanged;

            #region Camera Sync

            this.designAutoCAD.ActiveViewport.Rotate.Enabled = false;

            this.designAVEVA.ActiveViewport.Rotate.Enabled = false;

            this.designAutoCAD.ActiveViewport.ViewCubeIcon.Visible = false;

            this.designAVEVA.ActiveViewport.ViewCubeIcon.Visible = false;

            this.designAutoCAD.AnimateCamera = false;

            this.designAVEVA.AnimateCamera = false;

            this.designAutoCAD.CameraChangedFrequency = 200;

            this.designAVEVA.CameraChangedFrequency = 200;

            this.designAutoCAD.CameraChanged += CameraChanged;

            this.designAVEVA.CameraChanged += CameraChanged;

            #endregion

        }

        private void RadBrowseEditorAVEVAPIDFolder_ValueChanged(object sender, EventArgs e)

        {

            string AVEVAPIDFolder = this.radBrowseEditorAVEVAPIDFolder.Value;

            if (System.IO.Directory.Exists(AVEVAPIDFolder))

            {

                Classes.ID2Helper.IniWriteValue(IniFilePath, "Path", "AVEVA P&ID Folder", AVEVAPIDFolder);

            }

        }

        private void Verification_Load(object sender, EventArgs e)

        {

            string AVEVAPIDFolder = Classes.ID2Helper.IniReadValue(IniFilePath, "Path", "AVEVA P&ID Folder");

            if (!string.IsNullOrEmpty(AVEVAPIDFolder)) this.radBrowseEditorAVEVAPIDFolder.Value = AVEVAPIDFolder;

        }

        public void ColorEntities(Design design, EntityList list)

        {

            foreach (Entity ent in list)

            {

                if (ent is BlockReference blkref)

                {

                    var blk = design.Blocks.FirstOrDefault(x => x.Name == blkref.BlockName);

                    if(blk != null)

                    {

                        foreach(Entity _ent in blk.Entities)

                        {

                            _ent.Color = NOT_MODIFIED_COLOR;

                            _ent.ColorMethod = colorMethodType.byEntity;

                        }

                    }

                }

                else

                {

                    ent.Color = NOT_MODIFIED_COLOR;

                    ent.ColorMethod = colorMethodType.byEntity;

                }

            }

                this.designAutoCAD.Clear();

                    ///Entity[] toAdd = this.designAutoCAD.Entities.Explode();

                    ///this.designAutoCAD.Entities.AddRange(toAdd, NOT_MODIFIED_COLOR);

                    ColorEntities(this.designAutoCAD, this.designAutoCAD.Entities);

                    // Sets the view as Top

                    this.designAutoCAD.SetView(viewType.Top);

            void ShowAVEVAPIDFile(string FilePath)

            {

                this.designAVEVA.Clear();

                if (System.IO.File.Exists(FilePath))

                {

                    devDept.Eyeshot.Translators.ReadAutodesk ra = new devDept.Eyeshot.Translators.ReadAutodesk(FilePath);

                    ra.DoWork();

                    ra.AddToScene(this.designAVEVA);

                    ///Entity[] toAdd = this.designAVEVA.Entities.Explode();

                    ///this.designAVEVA.Entities.AddRange(toAdd, NOT_MODIFIED_COLOR);

                    ColorEntities(this.designAVEVA, this.designAVEVA.Entities);

                    this.designAVEVA.SetView(viewType.Top);

                    this.designAVEVA.ZoomFit();

                    this.designAVEVA.Invalidate();

                }

            }

                string ID2DrawingFolder = System.IO.Path.Combine(informations.FindID2LocalPath(doc.RefProjectCode), "drawings", "Native");

                string dwgFilePath = System.IO.Path.Combine(ID2DrawingFolder, $"{doc.DocumentNo}{dwgExtension}");

                this.radTextBoxID2DrawingFolder.Text = ID2DrawingFolder;

                string AVEVAPIDFolder = this.radBrowseEditorAVEVAPIDFolder.Value;

                string AVEVAPIDFilePath = System.IO.Path.Combine(AVEVAPIDFolder, $"{doc.DocumentNo}{dwgExtension}");

                ShowAVEVAPIDFile(AVEVAPIDFilePath);

                if(System.IO.File.Exists(dwgFilePath) && System.IO.File.Exists(AVEVAPIDFilePath))

                {

                    CompareAndMark(this.designAutoCAD.Entities, this.designAVEVA.Entities);

                }

        private void CompareAndMark(IList<Entity> entList1, IList<Entity> entList2)

        {

            bool[] equalEntitiesInV2 = new bool[entList2.Count];

            try

            {

                for (int i = 0; i < entList1.Count(); i++)

                {

                    Entity entVp1 = entList1[i];

                    bool foundEqual = false;

                    for (int j = 0; j < entList2.Count(); j++)

                    {

                        Entity entVp2 = entList2[j];

                        if (!equalEntitiesInV2[j] && entVp1.GetType() == entVp2.GetType() && CompareIfEqual(entVp1, entVp2))

                        {

                            equalEntitiesInV2[j] = true;

                            foundEqual = true;

                            break;

                        }

                    }

                    if (!foundEqual)

                    {

                        entList1[i].Color = Color.Yellow;

                        entList1[i].ColorMethod = colorMethodType.byEntity;

                    }

                }

                for (int j = 0; j < entList2.Count; j++)

                {

                    if (!equalEntitiesInV2[j])

                    {

                        entList2[j].Color = Color.Yellow;

                        entList2[j].ColorMethod = colorMethodType.byEntity;

                    }

                }

            }

            catch(Exception ex)

            {

                Console.Write($"Error : {ex.Message}");

            }

        }

        private bool CompareIfEqual(Entity entVp1, Entity entVp2)

        {

            bool areEqualAttributes = AreEqualAttributes(entVp1, entVp2);

            bool areEqual = AreEqual(entVp1, entVp2);

            return areEqualAttributes && areEqual;

        }

        private bool CompareGEntityIfEqual(GEntity entVp1, GEntity entVp2)

        {

            return AreGEntityEqual(entVp1, entVp2);

        }

        private bool AreEqual(Entity ent1, Entity ent2)

        {

            if (ent1 is CompositeCurve)

            {

                CompositeCurve cc1 = (CompositeCurve)ent1;

                CompositeCurve cc2 = (CompositeCurve)ent2;

                if (cc1.CurveList.Count == cc2.CurveList.Count)

                {

                    int equalCurvesInListCount = 0;

                    foreach (var entC in cc1.CurveList)

                    {

                        foreach (var entC2 in cc2.CurveList)

                        {

                            if (entC.GetType() == entC2.GetType())

                            {

                                if (entC is Entity && entC2 is Entity && CompareIfEqual(entC as Entity, entC2 as Entity))

                                {

                                    equalCurvesInListCount++;

                                    break;

                                }

                                else if (entC is GEntity && entC2 is GEntity && CompareGEntityIfEqual(entC as GEntity, entC2 as GEntity))

                                {

                                    equalCurvesInListCount++;

                                    break;

                                }

                            }

                        }

                    }

                    if (cc1.CurveList.Count == equalCurvesInListCount)

                    {

                        return true;

                    }

                }

            }

            else if (ent1 is LinearPath)

            {

                LinearPath lp1 = (LinearPath)ent1;

                LinearPath lp2 = (LinearPath)ent2;

                if (lp1.Vertices.Length == lp2.Vertices.Length)

                {

                    for (int i = 0; i < lp1.Vertices.Length; i++)

                    {

                        if (!(lp1.Vertices[i] == lp2.Vertices[i]))

                            return false;

                    }

                    return true;

                }

            }

            else if (ent1 is PlanarEntity)

            {

                PlanarEntity pe1 = (PlanarEntity)ent1;

                PlanarEntity pe2 = (PlanarEntity)ent2;

                if (

                    pe1.Plane.AxisZ == pe2.Plane.AxisZ &&

                    pe1.Plane.AxisX == pe2.Plane.AxisX

                    )

                {

                    if (ent1 is Arc)

                    {

                        Arc arc1 = (Arc)ent1;

                        Arc arc2 = (Arc)ent2;

                        if (

                            arc1.Center == arc2.Center &&

                            arc1.Radius == arc2.Radius &&

                            arc1.Domain.Min == arc2.Domain.Min &&

                            arc1.Domain.Max == arc2.Domain.Max

                            )

                        {

                            return true;

                        }

                    }

                    else if (ent1 is Circle)

                    {

                        Circle c1 = (Circle)ent1;

                        Circle c2 = (Circle)ent2;

                        if (

                            c1.Center == c2.Center &&

                            c1.Radius == c2.Radius

                            )

                        {

                            return true;

                        }

                    }

                    else if (ent1 is EllipticalArc)

                    {

                        EllipticalArc e1 = (EllipticalArc)ent1;

                        EllipticalArc e2 = (EllipticalArc)ent2;

                        if (

                            e1.Center == e2.Center &&

                            e1.RadiusX == e2.RadiusX &&

                            e1.RadiusY == e2.RadiusY &&

                            e1.Domain.Low == e2.Domain.Low &&

                            e1.Domain.High == e2.Domain.High

                        )

                        {

                            return true;

                        }

                    }

                    else if (ent1 is Ellipse)

                    {

                        Ellipse e1 = (Ellipse)ent1;

                        Ellipse e2 = (Ellipse)ent2;

                        if (

                            e1.Center == e2.Center &&

                            e1.RadiusX == e2.RadiusX &&

                            e1.RadiusY == e2.RadiusY

                        )

                        {

                            return true;

                        }

                    }

                    else if (ent1 is Text)

                    {

                        if (ent1 is Dimension)

                        {

                            Dimension dim1 = (Dimension)ent1;

                            Dimension dim2 = (Dimension)ent2;

                            if (

                                dim1.InsertionPoint == dim2.InsertionPoint &&

                                dim1.DimLinePosition == dim2.DimLinePosition

                                )

                            {

                                if (ent1 is AngularDim)

                                {

                                    AngularDim ad1 = (AngularDim)ent1;

                                    AngularDim ad2 = (AngularDim)ent2;

                                    if (

                                        ad1.ExtLine1 == ad2.ExtLine1 &&

                                        ad1.ExtLine2 == ad2.ExtLine2 &&

                                        ad1.StartAngle == ad2.StartAngle &&

                                        ad1.EndAngle == ad2.EndAngle &&

                                        ad1.Radius == ad2.Radius

                                        )

                                    {

                                        return true;

                                    }

                                }

                                else if (ent1 is LinearDim)

                                {

                                    LinearDim ld1 = (LinearDim)ent1;

                                    LinearDim ld2 = (LinearDim)ent2;

                                    if (

                                        ld1.ExtLine1 == ld2.ExtLine1 &&

                                        ld1.ExtLine2 == ld2.ExtLine2

                                        )

                                    {

                                        return true;

                                    }

                                }

                                else if (ent1 is DiametricDim)

                                {

                                    DiametricDim dd1 = (DiametricDim)ent1;

                                    DiametricDim dd2 = (DiametricDim)ent2;

                                    if (

                                        dd1.Distance == dd2.Distance &&

                                        dd1.Radius == dd2.Radius &&

                                        dd1.CenterMarkSize == dd2.CenterMarkSize

                                    )

                                    {

                                        return true;

                                    }

                                }

                                else if (ent1 is RadialDim)

                                {

                                    RadialDim rd1 = (RadialDim)ent1;

                                    RadialDim rd2 = (RadialDim)ent2;

                                    if (

                                        rd1.Radius == rd2.Radius &&

                                        rd1.CenterMarkSize == rd2.CenterMarkSize

                                    )

                                    {

                                        return true;

                                    }

                                }

                                else if (ent1 is OrdinateDim)

                                {

                                    OrdinateDim od1 = (OrdinateDim)ent1;

                                    OrdinateDim od2 = (OrdinateDim)ent2;

                                    if (

                                        od1.DefiningPoint == od2.DefiningPoint &&

                                        od1.Origin == od2.Origin &&

                                        od1.LeaderEndPoint == od2.LeaderEndPoint

                                    )

                                    {

                                        return true;

                                    }

                                }

                                else

                                {

                                    Console.Write("Type " + ent1.GetType() + " not implemented.");

                                    return true;

                                }

                            }

                        }

                        else if (ent1 is devDept.Eyeshot.Entities.Attribute)

                        {

                            devDept.Eyeshot.Entities.Attribute att1 = (devDept.Eyeshot.Entities.Attribute)ent1;

                            devDept.Eyeshot.Entities.Attribute att2 = (devDept.Eyeshot.Entities.Attribute)ent2;

                            if (

                                att1.Value == att2.Value &&

                                att1.InsertionPoint == att2.InsertionPoint

                                )

                            {

                                return true;

                            }

                        }

                        else

                        {

                            Text tx1 = (Text)ent1;

                            Text tx2 = (Text)ent2;

                            if (

                                tx1.InsertionPoint == tx2.InsertionPoint &&

                                tx1.TextString == tx2.TextString &&

                                tx1.StyleName == tx2.StyleName &&

                                tx1.WidthFactor == tx2.WidthFactor &&

                                tx1.Height == tx2.Height

                                )

                            {

                                return true;

                            }

                        }

                    }

                    else

                    {

                        Console.Write("Type " + ent1.GetType() + " not implemented.");

                        return true;

                    }

                }

            }

            else if (ent1 is Line)

            {

                Line line1 = (Line)ent1;

                Line line2 = (Line)ent2;

                if (

                    line1.StartPoint == line2.StartPoint &&

                    line1.EndPoint == line2.EndPoint

                )

                {

                    return true;

                }

            }

            else if (ent1 is devDept.Eyeshot.Entities.Point)

            {

                devDept.Eyeshot.Entities.Point point1 = (devDept.Eyeshot.Entities.Point)ent1;

                devDept.Eyeshot.Entities.Point point2 = (devDept.Eyeshot.Entities.Point)ent2;

                if (

                    point1.Position == point2.Position

                )

                {

                    return true;

                }

            }

#if NURBS

            else if (ent1 is Curve)

            {

                Curve cu1 = (Curve)ent1;

                Curve cu2 = (Curve)ent2;

                if (

                    cu1.ControlPoints.Length == cu2.ControlPoints.Length &&

                    cu1.KnotVector.Length == cu2.KnotVector.Length &&

                    cu1.Degree == cu2.Degree

                    )

                {

                    for (int k = 0; k < cu1.ControlPoints.Length; k++)

                    {

                        if (cu1.ControlPoints[k] != cu2.ControlPoints[k])

                        {

                            return false;

                        }

                    }

                    for (int k = 0; k < cu1.KnotVector.Length; k++)

                    {

                        if (cu1.KnotVector[k] != cu2.KnotVector[k])

                        {

                            return false;

                        }

                    }

                    return true;

                }

            }

#endif

            else

            {

                Console.Write("Type " + ent1.GetType() + " not implemented.");

                return true;

            }

            return false;

        }

        private bool AreGEntityEqual(GEntity ent1, GEntity ent2)

        {

            if (ent1 is GCompositeCurve)

            {

                GCompositeCurve cc1 = (GCompositeCurve)ent1;

                GCompositeCurve cc2 = (GCompositeCurve)ent2;

                if (cc1.CurveList.Count == cc2.CurveList.Count)

                {

                    int equalCurvesInListCount = 0;

                    foreach (var entC in cc1.CurveList)

                    {

                        foreach (var entC2 in cc2.CurveList)

                        {

                            if (entC.GetType() == entC2.GetType())

                            {

                                if (entC is GEntity && entC2 is GEntity && CompareGEntityIfEqual(entC as GEntity, entC2 as GEntity))

                                {

                                    equalCurvesInListCount++;

                                    break;

                                }

                            }

                        }

                    }

                    if (cc1.CurveList.Count == equalCurvesInListCount)

                    {

                        return true;

                    }

                }

            }

            else if (ent1 is GLinearPath)

            {

                GLinearPath lp1 = (GLinearPath)ent1;

                GLinearPath lp2 = (GLinearPath)ent2;

                if (lp1.Vertices.Length == lp2.Vertices.Length)

                {

                    for (int i = 0; i < lp1.Vertices.Length; i++)

                    {

                        if (!(lp1.Vertices[i] == lp2.Vertices[i]))

                            return false;

                    }

                    return true;

                }

            }

            else if (ent1 is GPlanarEntity)

            {

                GPlanarEntity pe1 = (GPlanarEntity)ent1;

                GPlanarEntity pe2 = (GPlanarEntity)ent2;

                if (

                    pe1.Plane.AxisZ == pe2.Plane.AxisZ &&

                    pe1.Plane.AxisX == pe2.Plane.AxisX

                    )

                {

                    if (ent1 is GArc)

                    {

                        GArc arc1 = (GArc)ent1;

                        GArc arc2 = (GArc)ent2;

                        if (

                            arc1.Center == arc2.Center &&

                            arc1.Radius == arc2.Radius &&

                            arc1.Domain.Min == arc2.Domain.Min &&

                            arc1.Domain.Max == arc2.Domain.Max

                            )

                        {

                            return true;

                        }

                    }

                    else if (ent1 is GCircle)

                    {

                        GCircle c1 = (GCircle)ent1;

                        GCircle c2 = (GCircle)ent2;

                        if ( c1.Center == c2.Center && c1.Radius == c2.Radius )

                        {

                            return true;

                        }

                    }

                    else if (ent1 is GEllipticalArc)

                    {

                        GEllipticalArc e1 = (GEllipticalArc)ent1;

                        GEllipticalArc e2 = (GEllipticalArc)ent2;

                        if (

                            e1.Center == e2.Center &&

                            e1.RadiusX == e2.RadiusX &&

                            e1.RadiusY == e2.RadiusY &&

                            e1.Domain.Low == e2.Domain.Low &&

                            e1.Domain.High == e2.Domain.High

                        )

                        {

                            return true;

                        }

                    }

                    else if (ent1 is GEllipse)

                    {

                        GEllipse e1 = (GEllipse)ent1;

                        GEllipse e2 = (GEllipse)ent2;

                        if (

                            e1.Center == e2.Center &&

                            e1.RadiusX == e2.RadiusX &&

                            e1.RadiusY == e2.RadiusY

                        )

                        {

                            return true;

                        }

                    }

                    else

                    {

                        Console.Write("Type " + ent1.GetType() + " not implemented.");

                        return true;

                    }

                }

            }

            else if (ent1 is GLine)

            {

                GLine line1 = (GLine)ent1;

                GLine line2 = (GLine)ent2;

                if ( line1.StartPoint == line2.StartPoint && line1.EndPoint == line2.EndPoint

                )

                {

                    return true;

                }

            }

#if NURBS

            else if (ent1 is Curve)

            {

                Curve cu1 = (Curve)ent1;

                Curve cu2 = (Curve)ent2;

                if (

                    cu1.ControlPoints.Length == cu2.ControlPoints.Length &&

                    cu1.KnotVector.Length == cu2.KnotVector.Length &&

                    cu1.Degree == cu2.Degree

                    )

                {

                    for (int k = 0; k < cu1.ControlPoints.Length; k++)

                    {

                        if (cu1.ControlPoints[k] != cu2.ControlPoints[k])

                        {

                            return false;

                        }

                    }

                    for (int k = 0; k < cu1.KnotVector.Length; k++)

                    {

                        if (cu1.KnotVector[k] != cu2.KnotVector[k])

                        {

                            return false;

                        }

                    }

                    return true;

                }

            }

#endif

            else

            {

                Console.Write("Type " + ent1.GetType() + " not implemented.");

                return true;

            }

            return false;

        }

        private bool AreEqualAttributes(Entity ent1, Entity ent2)

        {

            return 

                ent1.LayerName == ent2.LayerName &&

                ent1.GroupIndex == ent2.GroupIndex &&

                ent1.ColorMethod == ent2.ColorMethod &&

                ent1.Color == ent2.Color &&

                ent1.LineWeightMethod == ent2.LineWeightMethod &&

                ent1.LineWeight == ent2.LineWeight &&

                ent1.LineTypeMethod == ent2.LineTypeMethod &&

                ent1.LineTypeName == ent2.LineTypeName &&

                ent1.LineTypeScale == ent2.LineTypeScale &&

                ent1.MaterialName == ent2.MaterialName;

        }

        #region Camera Sync

        private void CameraChanged(object sender, devDept.Eyeshot.Workspace.CameraMoveEventArgs e)

        {

            if (sender == this.designAutoCAD)

                SyncCamera(this.designAutoCAD, this.designAVEVA);

            else

                SyncCamera(this.designAVEVA, this.designAutoCAD);

        }

        private void SyncCamera(Design designMovedCamera, Design designCameraToMove)

        {

            Camera savedCamera;

            designMovedCamera.SaveView(out savedCamera);

            // restores the camera to the other model

            designCameraToMove.RestoreView(savedCamera);

            designCameraToMove.AdjustNearAndFarPlanes();

            designCameraToMove.Invalidate();

        }

        #endregion