(VB C#) รบกวนผู้รู้ช่วยเอาตัวอย่างการ SaveFile การเขียนโปรแกรมรูปแบบ แบบนี้ให้ผมหน่อยครับ ผมเซฟแล้วข้อมูลมันมั่วไปหมด

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using static IfEditor.Ifile;

namespace IfEditor
{
    public partial class CharacterEditor : Form
    {
        public class CharacterStock // based on file struct
        {



      

            public byte unknown1;

            public uint unknown2;

            public string unknown3;

            public ushort unknown4;






        }

        List<CharacterStock> CharacterListing;
        List<DescList> DescListMem;
        public IF_REGION RegionSelected = IfFile.IF_REGION.Default;
        public CharacterEditor()
        {
            InitializeComponent();
        }

        private void Uncheck_all_encoding(object sender, EventArgs e)
        {
            eNGLISHToolStripMenuItem.Checked = false;
            jAPANToolStripMenuItem.Checked = false;
            tHAIToolStripMenuItem.Checked = false;
            oTHERToolStripMenuItem.Checked = false;
            autoToolStripMenuItem.Checked = false;
            kOREANToolStripMenuItem.Checked = false;
        }

        private void autoToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Uncheck_all_encoding(sender, e);
            RegionSelected = IffFile.IFF_REGION.Default;
            autoToolStripMenuItem.Checked = true;
        }

        private void eNGLISHToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Uncheck_all_encoding(sender, e);
            RegionSelected = IffFile.IFF_REGION.Usa;
            eNGLISHToolStripMenuItem.Checked = true;
        }

        private void jAPANToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Uncheck_all_encoding(sender, e);
            RegionSelected = IffFile.IFF_REGION.Japan;
            jAPANToolStripMenuItem.Checked = true;
        }

        private void tHAIToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Uncheck_all_encoding(sender, e);
            RegionSelected = IffFile.IFF_REGION.Thaiwan;
            tHAIToolStripMenuItem.Checked = true;
        }

        private void oTHERToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Uncheck_all_encoding(sender, e);
            RegionSelected = IffFile.IFF_REGION.Default;
            oTHERToolStripMenuItem.Checked = true;
        }

        private void kOREANToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Uncheck_all_encoding(sender, e);
            RegionSelected = IffFile.IFF_REGION.Korea;
            kOREANToolStripMenuItem.Checked = true;
        }

        private void openFileToolStripMenuItem_Click(object sender, EventArgs e)
        {
            OpenFileDialog dialog = new OpenFileDialog
            {
                Filter = " IF Pax (Pax*.if)|Pax*.if",
                Title = "Open IF Pax"
            };
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                CharacterListing = new List<CharacterStock>();
                DescListMem = new List<DescList>();
                using (BinaryReader reader = new BinaryReader(File.Open(dialog.FileName, FileMode.Open, FileAccess.Read), IffFile.GetFileEncodingByRegion(RegionSelected)))
                {
                    IffFile file = new IffFile();
                    ushort numberOfRecords = file.GetNumberOfRecords(reader);
                    file.JumpToFirstRecord(reader);
                    if (file.CheckMagicNumber(reader))
                    {
                        for (int i = 0; i < numberOfRecords; i++)
                        {
                            //GetFileEncodingByRegion(RegionSelected).GetString(reader.ReadBytes(XXXXXXXX)); --> exemple for encoding string
                            long position = reader.BaseStream.Position;

                            // added the virtual number 
                            CharacterStock item = new CharacterStock
                            {
                                Index = i
                            };



                            item.unknown1 = reader.ReadByte();
                            item.unknown2 = reader.ReadUInt32();
                            item.unknown3 = GetFileEncodingByRegion(RegionSelected).GetString(reader.ReadBytes(40));  //GetFileEncodingByRegion(RegionSelected).GetString(reader.ReadBytes(40)); // 40 Byte long
							item.unknown4 = reader.ReadUInt16();



                            //Adding to the list
                            CharacterListing.Add(item);

                        }

                        reader.Close();
                    }
                    UpdateStringList();
                }
            }
        }

        private void saveFileToolStripMenuItem_Click(object sender, EventArgs e)
        {

      

            SaveFileDialog dialog = new SaveFileDialog
            {
                Title = "Save Pax IF Pax",
                Filter = "Pax IF File (*.if)|*.if"
            };
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                if (DescList.SavePart(dialog.FileName, this.CharacterListing, RegionSelected))
                {
                    MessageBox.Show("บันทึกสำเร็จ!!!");
                }
                else
                {
                    MessageBox.Show("บันทึกไม่สำเร็จ");
                }
            } 





        }

        private void lstStrings_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (this.lstStrings.SelectedItems.Count > 0)
            {
                CharacterStock SelectChar = this.CharacterListing[(int)lstStrings.SelectedItems[0].Tag];






		 //   public byte unknown1;   byte <<< ให้อ่านค่าได้ แบบพวกตัวข้างล่าง ทำอย่างไรครับ
         //   public uint unknown2;
         //   public string unknown3;
         //   public ushort unknown4;
////////// แสดงค่าที่หน้าต่าง Textbox ที่หน้าโปรแกรม////////////////////////////////
                unknown_1.Text          = SelectChar.unknown1;
           this.unknown_2.Text          = SelectChar.unknown2.ToString();

                unknown_3.Text          = SelectChar.unknown3;
           this.unknown_4.Text          = SelectChar.unknown4.ToString;




            }
        }

        private void btnFilter_Click(object sender, EventArgs e)
        {
            UpdateStringList();
        }

        private void UpdateStringList()
        {
            if (CharacterListing != null)
            {
                if (txtFilter.Text == "")
                {
                    this.lstStrings.Items.Clear();
                    foreach (CharacterStock str in this.CharacterListing)
                    {
                        ListViewItem item = new ListViewItem(str.name)
                        {
                           Tag = str.Index
                        };
                        this.lstStrings.Items.Add(item);
                    }
                }
                else
                {
                    this.lstStrings.Items.Clear();
                    foreach (CharacterStock str in this.CharacterListing)
                    {
                        ListViewItem item = new ListViewItem(str.name)
                        {
                          Tag = str.Index

                        };
                        bool found = str.name.Contains(txtFilter.Text);

                        if (found == true)
                            this.lstStrings.Items.Add(item);
                    }
                }
            }
        }



        

        private void CharacterName_TextChanged(object sender, EventArgs e)

        {



        }



        private void Model_TextChanged(object sender, EventArgs e)

        {



        }



        private void texture4_TextChanged(object sender, EventArgs e)

        {



        }



        private void itemid_TextChanged(object sender, EventArgs e)

        {



        }



        private void btnApply_Click(object sender, EventArgs e)



        {

   //         if (Name.Text != null)

                  if (unknown_1.Text != null && unknown_2.Text != null && unknown_3.Text != null && unknown_4.Text != null && CharacterListing != null && this.lstStrings.SelectedItems[0] != null)

                



            {


                           //unknown_1 << ไม่ทราบว่าต้องเขียนอย่างไร


                CharacterListing[(int)this.lstStrings.SelectedItems[0].Tag].unknown3 = this.unknown_3.Text.Replace("\r\n", "\n");
                CharacterListing[(int)this.lstStrings.SelectedItems[0].Tag].unknown2 = Convert.ToUInt32(unknown_2.Text);

                CharacterListing[(int)this.lstStrings.SelectedItems[0].Tag].unknown4 = Convert.ToUInt32(unknown_4.Text);





                UpdateStringList();

            }

            }

        

    private void texicon_TextChanged(object sender, EventArgs e)

        {

 

        }



        private void Name_TextChanged(object sender, EventArgs e)

        {



        }



        private void btnApply_Click(object sender, MouseEventArgs e)

        {



        }



        private void Additem_Click(object sender, EventArgs e)

        {


        }




    }
}