HYTOS

    <Compile Include="Model\PlantItem\Document.cs" />

    <Compile Include="Model\PlantItem\Equipment.cs" />

    <Compile Include="Model\Project_DB.cs" />

    <Compile Include="Model\Project_Info.cs" />

    <Compile Include="Model\PlantItem\Line.cs" />

    <Compile Include="Model\PlantItem\PlantItem.cs" />

    <Compile Include="Model\PlantItem\Symbol.cs" />

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.IO;

namespace AVEVA.PID.CustomizationUtility.Model

{

    public class Document

    {

        public bool Enabled = false;

        public List<Symbol> Symbols { get; set; }

        public List<Line> Lines { get; set; }

        public List<Equipment> Equipments { get; set; }

        public Document(string xmlPath)

        {

            Symbols = new List<Symbol>();

            Lines = new List<Line>();

            Equipments = new List<Equipment>();

            if (File.Exists(xmlPath))

            {

            }

        }

    }

}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace AVEVA.PID.CustomizationUtility.Model

{

    public class Equipment : PlantItem

    {

    }

}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace AVEVA.PID.CustomizationUtility.Model

{

    public class Line : PlantItem

    {

    }

}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace AVEVA.PID.CustomizationUtility.Model

{

    public class PlantItem

    {

        public string UID { get; set; }

    }

}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace AVEVA.PID.CustomizationUtility.Model

{

    public class Symbol : PlantItem

    {

    }

}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.IO;

namespace AVEVA.PID.CustomizationUtility.Model

{

    public enum ID2DB_Type

    {

        SQLite,

        MSSQL

    }

    public class Project_Info

    {

        private static Project_Info projectInfo;

        private string _DefaultPath;

        private string _Name;

        private bool _Enable;

        private string _DBFilePath;

        private string _TempDirPath;

        private string _ImageDirPath;

        private string _SvgImageDirPath;

        private string _SPPID_ImageDirPath;

        public ID2DB_Type DBType { get; set; }

        public string ServerIP { get; set; }

        public string Port { get; set; }

        public string DBUser { get; set; }

        public string DBPassword { get; set; }

        public string DefaultPath {

            get { return _DefaultPath; }

            set {

                _DefaultPath = value;

                _Name = Path.GetFileName(value);

                _DBFilePath = value + @"\db\ITI_PID.db";

                _TempDirPath = value + @"\Temp\";

                _ImageDirPath = value + @"\image\";

                _SvgImageDirPath = value + @"\svg\";

                _SPPID_ImageDirPath = value + @"\SPPID_Image";

                Directory.CreateDirectory(_SPPID_ImageDirPath);

            }

        }

        public string Name

        {

            get { return _Name; }

        }

        public string DBFilePath

        {

            get { return _DBFilePath; }

        }

        public string TempDirPath

        {

            get { return _TempDirPath; }

        }

        public string ImageDirPath

        {

            get { return _ImageDirPath; }

        }

        public string SvgImageDirPath

        {

            get { return _SvgImageDirPath; }

        }

        public string SPPID_ImageDirPath

        {

            get { return _SPPID_ImageDirPath; }

        }

        public bool Enable { get => _Enable; set => _Enable = value; }

        public static Project_Info GetInstance()

        {

            if (projectInfo == null)

                projectInfo = new Project_Info();

            return projectInfo;

        }

    }

}