// Decompiled with JetBrains decompiler
// Type: HexConverter.Form1
// Assembly: HexConverter, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
// MVID: 69C743DF-5670-4BA1-B9C9-0F7A066F699A
// Assembly location: C:\Users\Administrateur\Downloads\Virusshare-00000-msil\Virus.Win32.Otwycal.a-e8185cfeb5eed43452d4fc000bc9dad88c82a7d405e4cc7e61131d390a782aa2.exe

using System;
using System.ComponentModel;
using System.Drawing;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows.Forms;

namespace HexConverter
{
  public class Form1 : Form
  {
    private IContainer components;
    private TextBox tBoxBytes;
    private TextBox tBoxHex;
    private TextBox tBoxDecimal;
    private TextBox tBoxBin;
    private Label label1;
    private Label label2;
    private Label label3;
    private Label label4;
    private ComboBox cbBoxType;
    private Button butExit;
    private Label label5;
    private Button butAbout;
    private bool IsUserInput;

    protected override void Dispose(bool disposing)
    {
      if (disposing && this.components != null)
        this.components.Dispose();
      base.Dispose(disposing);
    }

    private void InitializeComponent()
    {
      ComponentResourceManager componentResourceManager = new ComponentResourceManager(typeof (Form1));
      this.tBoxBytes = new TextBox();
      this.tBoxHex = new TextBox();
      this.tBoxDecimal = new TextBox();
      this.tBoxBin = new TextBox();
      this.label1 = new Label();
      this.label2 = new Label();
      this.label3 = new Label();
      this.label4 = new Label();
      this.cbBoxType = new ComboBox();
      this.butExit = new Button();
      this.label5 = new Label();
      this.butAbout = new Button();
      this.SuspendLayout();
      this.tBoxBytes.Location = new Point(155, 60);
      this.tBoxBytes.Name = "tBoxBytes";
      this.tBoxBytes.ReadOnly = true;
      this.tBoxBytes.Size = new Size(150, 20);
      this.tBoxBytes.TabIndex = 4;
      this.tBoxHex.Location = new Point(10, 60);
      this.tBoxHex.MaxLength = 16;
      this.tBoxHex.Name = "tBoxHex";
      this.tBoxHex.Size = new Size(135, 20);
      this.tBoxHex.TabIndex = 3;
      this.tBoxHex.TextChanged += new EventHandler(this.tBoxHex_TextChanged);
      this.tBoxDecimal.Location = new Point(10, 20);
      this.tBoxDecimal.MaxLength = 20;
      this.tBoxDecimal.Name = "tBoxDecimal";
      this.tBoxDecimal.Size = new Size(135, 20);
      this.tBoxDecimal.TabIndex = 0;
      this.tBoxDecimal.TextChanged += new EventHandler(this.tBoxDecimal_TextChanged);
      this.tBoxBin.Font = new Font("Microsoft Sans Serif", 7f, FontStyle.Regular, GraphicsUnit.Point, (byte) 136);
      this.tBoxBin.Location = new Point(10, 100);
      this.tBoxBin.Name = "tBoxBin";
      this.tBoxBin.ReadOnly = true;
      this.tBoxBin.Size = new Size(330, 18);
      this.tBoxBin.TabIndex = 6;
      this.label1.AutoSize = true;
      this.label1.Location = new Point(155, 45);
      this.label1.Name = "label1";
      this.label1.Size = new Size(72, 13);
      this.label1.TabIndex = 4;
      this.label1.Text = "位元組 Bytes";
      this.label2.AutoSize = true;
      this.label2.Location = new Point(10, 45);
      this.label2.Name = "label2";
      this.label2.Size = new Size(65, 13);
      this.label2.TabIndex = 5;
      this.label2.Text = "16進位 Hex";
      this.label3.AutoSize = true;
      this.label3.Location = new Point(10, 5);
      this.label3.Name = "label3";
      this.label3.Size = new Size(84, 13);
      this.label3.TabIndex = 6;
      this.label3.Text = "10進位 Decimal";
      this.label4.AutoSize = true;
      this.label4.Location = new Point(10, 85);
      this.label4.Name = "label4";
      this.label4.Size = new Size(69, 13);
      this.label4.TabIndex = 7;
      this.label4.Text = "2進位 Binary";
      this.cbBoxType.DropDownStyle = ComboBoxStyle.DropDownList;
      this.cbBoxType.FormattingEnabled = true;
      this.cbBoxType.Items.AddRange(new object[10]
      {
        (object) "Byte",
        (object) "Byte (signed)",
        (object) "2 Bytes",
        (object) "2 Bytes (signed)",
        (object) "4 Bytes",
        (object) "4 Bytes (signed)",
        (object) "8 Bytes",
        (object) "8 Bytes (signed)",
        (object) "Float",
        (object) "Double"
      });
      this.cbBoxType.Location = new Point(155, 20);
      this.cbBoxType.Name = "cbBoxType";
      this.cbBoxType.Size = new Size(120, 21);
      this.cbBoxType.TabIndex = 1;
      this.cbBoxType.SelectedIndexChanged += new EventHandler(this.comboBox1_SelectedIndexChanged);
      this.butExit.Location = new Point(280, 20);
      this.butExit.Name = "butExit";
      this.butExit.Size = new Size(60, 20);
      this.butExit.TabIndex = 5;
      this.butExit.Text = "Exit";
      this.butExit.UseVisualStyleBackColor = true;
      this.butExit.Click += new EventHandler(this.button1_Click);
      this.label5.AutoSize = true;
      this.label5.Location = new Point(155, 5);
      this.label5.Name = "label5";
      this.label5.Size = new Size(58, 13);
      this.label5.TabIndex = 10;
      this.label5.Text = "類型 Type";
      this.butAbout.Location = new Point(310, 60);
      this.butAbout.Name = "butAbout";
      this.butAbout.Size = new Size(30, 20);
      this.butAbout.TabIndex = 2;
      this.butAbout.Text = "?";
      this.butAbout.UseVisualStyleBackColor = true;
      this.butAbout.Click += new EventHandler(this.button2_Click);
      this.AutoScaleDimensions = new SizeF(6f, 13f);
      this.AutoScaleMode = AutoScaleMode.Font;
      this.ClientSize = new Size(349, 128);
      this.Controls.Add((Control) this.butAbout);
      this.Controls.Add((Control) this.label5);
      this.Controls.Add((Control) this.butExit);
      this.Controls.Add((Control) this.cbBoxType);
      this.Controls.Add((Control) this.label4);
      this.Controls.Add((Control) this.label3);
      this.Controls.Add((Control) this.label2);
      this.Controls.Add((Control) this.label1);
      this.Controls.Add((Control) this.tBoxBin);
      this.Controls.Add((Control) this.tBoxDecimal);
      this.Controls.Add((Control) this.tBoxHex);
      this.Controls.Add((Control) this.tBoxBytes);
      this.FormBorderStyle = FormBorderStyle.FixedSingle;
      this.Icon = (Icon) componentResourceManager.GetObject("$this.Icon");
      this.MaximizeBox = false;
      this.Name = nameof (Form1);
      this.StartPosition = FormStartPosition.CenterScreen;
      this.Text = "Hex Converter";
      this.Load += new EventHandler(this.Form1_Load);
      this.ResumeLayout(false);
      this.PerformLayout();
    }

    public Form1() => this.InitializeComponent();

    private void button1_Click(object sender, EventArgs e) => Application.Exit();

    private void Form1_Load(object sender, EventArgs e)
    {
      this.cbBoxType.SelectedIndex = 4;
      this.IsUserInput = true;
    }

    private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
    {
      this.tBoxBytes.Text = "";
      this.tBoxHex.Text = "";
      this.tBoxDecimal.Text = "";
      this.tBoxBin.Text = "";
    }

    private void tBoxDecimal_TextChanged(object sender, EventArgs e)
    {
      if (!this.IsUserInput)
        return;
      this.IsUserInput = false;
      int num1 = this.tBoxDecimal.SelectionStart;
      string text = this.tBoxDecimal.Text;
      byte[] b = (byte[]) null;
      int num2 = 1;
      if (text.Length != 0 && text[0] == '-')
        num2 = -1;
      string s;
      if (this.cbBoxType.SelectedIndex == 0)
      {
        s = Regex.Replace(text, "[^0-9]", "");
        if (s.Length == 0)
        {
          b = (byte[]) null;
        }
        else
        {
          if (s.Length > 3)
            s = s.Substring(0, 3);
          if (s.Length == 3 && s.CompareTo("255") > 0)
            s = "255";
          b = new byte[1]{ (byte) Convert.ToUInt16(s) };
        }
      }
      else if (this.cbBoxType.SelectedIndex == 1)
      {
        s = Regex.Replace(text, "[^0-9]", "");
        if (num2 < 0)
          s = '-'.ToString() + s;
        if (s.Length == 0 || s.Equals("-"))
          b = (byte[]) null;
        else if (num2 > 0)
        {
          if (s.Length > 3)
            s = s.Substring(0, 3);
          if (s.Length == 3 && s.CompareTo("127") > 0)
            s = "127";
          b = new byte[1]{ (byte) Convert.ToInt16(s) };
        }
        else
        {
          if (s.Length > 4)
            s = s.Substring(0, 4);
          if (s.Length == 4 && s.CompareTo("-128") > 0)
            s = "-128";
          b = new byte[1]{ (byte) Convert.ToInt16(s) };
        }
      }
      else if (this.cbBoxType.SelectedIndex == 2)
      {
        s = Regex.Replace(text, "[^0-9]", "");
        if (s.Length == 0)
        {
          b = (byte[]) null;
        }
        else
        {
          if (s.Length > 5)
            s = s.Substring(0, 5);
          if (s.Length == 5 && s.CompareTo("65535") > 0)
            s = "65535";
          b = BitConverter.GetBytes(Convert.ToUInt16(s));
        }
      }
      else if (this.cbBoxType.SelectedIndex == 3)
      {
        s = Regex.Replace(text, "[^0-9]", "");
        if (num2 < 0)
          s = '-'.ToString() + s;
        if (s.Length == 0 || s.Equals("-"))
          b = (byte[]) null;
        else if (num2 > 0)
        {
          if (s.Length > 5)
            s = s.Substring(0, 5);
          if (s.Length == 5 && s.CompareTo("32767") > 0)
            s = "32767";
          b = BitConverter.GetBytes(Convert.ToInt16(s));
        }
        else
        {
          if (s.Length > 6)
            s = s.Substring(0, 6);
          if (s.Length == 6 && s.CompareTo("-32768") > 0)
            s = "-32768";
          b = BitConverter.GetBytes(Convert.ToInt16(s));
        }
      }
      else if (this.cbBoxType.SelectedIndex == 4)
      {
        s = Regex.Replace(text, "[^0-9]", "");
        if (s.Length == 0)
        {
          b = (byte[]) null;
        }
        else
        {
          if (s.Length > 10)
            s = s.Substring(0, 10);
          if (s.Length == 10 && s.CompareTo("4294967295") > 0)
            s = "4294967295";
          b = BitConverter.GetBytes(Convert.ToUInt32(s));
        }
      }
      else if (this.cbBoxType.SelectedIndex == 5)
      {
        s = Regex.Replace(text, "[^0-9]", "");
        if (num2 < 0)
          s = '-'.ToString() + s;
        if (s.Length == 0 || s.Equals("-"))
          b = (byte[]) null;
        else if (num2 > 0)
        {
          if (s.Length > 10)
            s = s.Substring(0, 10);
          if (s.Length == 10 && s.CompareTo("2147483647") > 0)
            s = "2147483647";
          b = BitConverter.GetBytes(Convert.ToInt32(s));
        }
        else
        {
          if (s.Length > 11)
            s = s.Substring(0, 11);
          if (s.Length == 11 && s.CompareTo("-2147483648") > 0)
            s = "-2147483648";
          b = BitConverter.GetBytes(Convert.ToInt32(s));
        }
      }
      else if (this.cbBoxType.SelectedIndex == 6)
      {
        s = Regex.Replace(text, "[^0-9]", "");
        if (s.Length == 0)
        {
          b = (byte[]) null;
        }
        else
        {
          if (s.Length > 19 && s.CompareTo("18446744073709551615") > 0)
            s = "18446744073709551615";
          b = BitConverter.GetBytes(Convert.ToUInt64(s));
        }
      }
      else if (this.cbBoxType.SelectedIndex == 7)
      {
        s = Regex.Replace(text, "[^0-9]", "");
        if (num2 < 0)
          s = '-'.ToString() + s;
        if (s.Length == 0 || s.Equals("-"))
          b = (byte[]) null;
        else if (num2 > 0)
        {
          if (s.Length > 19 && s.CompareTo("9223372036854775807") > 0)
            s = "9223372036854775807";
          b = BitConverter.GetBytes(Convert.ToInt64(s));
        }
        else
        {
          if (s.Length > 19 && s.CompareTo("-9223372036854775808") > 0)
            s = "-9223372036854775808";
          b = BitConverter.GetBytes(Convert.ToInt64(s));
        }
      }
      else
      {
        s = Regex.Replace(text, "[^.0-9]", "");
        int index1 = 0;
        while (index1 < s.Length && s[index1] != '.')
          ++index1;
        for (int index2 = index1 + 1; index2 < s.Length; ++index2)
        {
          if (s[index2] == '.')
            s = s.Remove(index2--, 1);
        }
        if (num2 < 0)
          s = '-'.ToString() + s;
        if (s.Length > 20)
          s = s.Substring(0, 20);
        if (s.Length == 0 || s.Equals(".") || s.Equals("-") || s.Equals("-."))
          b = (byte[]) null;
        else if (this.cbBoxType.SelectedIndex == 8)
          b = BitConverter.GetBytes(float.Parse(s));
        else if (this.cbBoxType.SelectedIndex == 9)
          b = BitConverter.GetBytes(double.Parse(s));
      }
      this.tBoxHex.Text = this.ToHex(b);
      this.tBoxBin.Text = this.ToBin(b);
      this.tBoxBytes.Text = this.ToRevHex(b);
      this.tBoxDecimal.Text = s;
      if (num1 < 0)
        num1 = 0;
      this.tBoxDecimal.SelectionStart = num1;
      this.IsUserInput = true;
    }

    private void tBoxHex_TextChanged(object sender, EventArgs e)
    {
      if (!this.IsUserInput)
        return;
      this.IsUserInput = false;
      int num = this.tBoxHex.SelectionStart;
      byte[] b = (byte[]) null;
      string s = Regex.Replace(this.tBoxHex.Text.ToUpper(), "[^0-9A-F]", "");
      if (s.Length == 0)
      {
        b = (byte[]) null;
        this.tBoxDecimal.Text = "";
      }
      else if (this.cbBoxType.SelectedIndex == 0)
      {
        if (s.Length > 2)
          s = s.Substring(0, 2);
        b = this.HexToByteArray(s, 1);
        this.tBoxDecimal.Text = b[0].ToString();
      }
      else if (this.cbBoxType.SelectedIndex == 1)
      {
        if (s.Length > 2)
          s = s.Substring(0, 2);
        b = this.HexToByteArray(s, 1);
        this.tBoxDecimal.Text = ((sbyte) b[0]).ToString();
      }
      else if (this.cbBoxType.SelectedIndex == 2)
      {
        if (s.Length > 4)
          s = s.Substring(0, 4);
        b = this.HexToByteArray(s, 2);
        this.tBoxDecimal.Text = BitConverter.ToUInt16(b, 0).ToString();
      }
      else if (this.cbBoxType.SelectedIndex == 3)
      {
        if (s.Length > 4)
          s = s.Substring(0, 4);
        b = this.HexToByteArray(s, 2);
        this.tBoxDecimal.Text = BitConverter.ToInt16(b, 0).ToString();
      }
      else if (this.cbBoxType.SelectedIndex == 4)
      {
        if (s.Length > 8)
          s = s.Substring(0, 8);
        b = this.HexToByteArray(s, 4);
        this.tBoxDecimal.Text = BitConverter.ToUInt32(b, 0).ToString();
      }
      else if (this.cbBoxType.SelectedIndex == 5)
      {
        if (s.Length > 8)
          s = s.Substring(0, 8);
        b = this.HexToByteArray(s, 4);
        this.tBoxDecimal.Text = BitConverter.ToInt32(b, 0).ToString();
      }
      else if (this.cbBoxType.SelectedIndex == 6)
      {
        if (s.Length > 16)
          s = s.Substring(0, 16);
        b = this.HexToByteArray(s, 8);
        this.tBoxDecimal.Text = BitConverter.ToUInt64(b, 0).ToString();
      }
      else if (this.cbBoxType.SelectedIndex == 7)
      {
        if (s.Length > 16)
          s = s.Substring(0, 16);
        b = this.HexToByteArray(s, 8);
        this.tBoxDecimal.Text = BitConverter.ToInt64(b, 0).ToString();
      }
      else if (this.cbBoxType.SelectedIndex == 8)
      {
        if (s.Length > 8)
          s = s.Substring(0, 8);
        b = this.HexToByteArray(s, 4);
        this.tBoxDecimal.Text = BitConverter.ToSingle(b, 0).ToString();
      }
      else if (this.cbBoxType.SelectedIndex == 9)
      {
        if (s.Length > 16)
          s = s.Substring(0, 16);
        b = this.HexToByteArray(s, 8);
        this.tBoxDecimal.Text = BitConverter.ToDouble(b, 0).ToString();
      }
      this.tBoxBin.Text = this.ToBin(b);
      this.tBoxBytes.Text = this.ToRevHex(b);
      this.tBoxHex.Text = s;
      if (num < 0)
        num = 0;
      this.tBoxHex.SelectionStart = num;
      this.IsUserInput = true;
    }

    private byte[] HexToByteArray(string s, int size)
    {
      byte[] byteArray = new byte[size];
      int num1 = 0;
      for (int index = s.Length - 1; index >= 0; --index)
      {
        byte num2 = (byte) s[index];
        byte num3 = num2 >= (byte) 58 ? (byte) ((uint) num2 - 55U) : (byte) ((uint) num2 - 48U);
        if (num1 % 2 == 1)
          num3 *= (byte) 16;
        byteArray[num1 / 2] += num3;
        ++num1;
      }
      return byteArray;
    }

    private string ToRevHex(byte[] b)
    {
      if (b == null)
        return "";
      string str = "0123456789ABCDEF";
      StringBuilder stringBuilder = new StringBuilder();
      for (int index = 0; index < b.Length; ++index)
      {
        stringBuilder.Append(str[(int) b[index] >> 4]);
        stringBuilder.Append(str[(int) b[index] & 15]);
        stringBuilder.Append(' ');
      }
      return stringBuilder.ToString();
    }

    private string ToHex(byte[] b)
    {
      if (b == null)
        return "";
      string str = "0123456789ABCDEF";
      StringBuilder stringBuilder = new StringBuilder();
      for (int index = b.Length - 1; index >= 0; --index)
      {
        stringBuilder.Append(str[(int) b[index] >> 4]);
        stringBuilder.Append(str[(int) b[index] & 15]);
      }
      return stringBuilder.ToString();
    }

    private string ToBin(byte[] b)
    {
      if (b == null)
        return "";
      StringBuilder stringBuilder = new StringBuilder();
      for (int index1 = 0; index1 < b.Length; ++index1)
      {
        byte num = b[index1];
        for (int index2 = 0; index2 < 8; ++index2)
        {
          stringBuilder.Insert(0, (int) num & 1);
          num >>= 1;
        }
      }
      return stringBuilder.ToString();
    }

    private void button2_Click(object sender, EventArgs e)
    {
      int num = (int) new DialogBox().ShowDialog();
    }
  }
}