El problema es que me ha renombrardo los métodos usando simbolos raros, la clase es:

using System; using System.Collections.Generic; using System.ComponentModel; using System.Diagnostics; using System.Drawing; using System.Linq; using System.Linq.Expressions; using System.Runtime.CompilerServices; using System.Threading; using System.Windows.Forms; using Microsoft.CSharp.RuntimeBinder; using TeleSharp.TL; using TeleSharp.TL.Contacts;  namespace TelegramTools {     // Token: 0x02000003 RID: 3     public class MainForm : Form     {         // Token: 0x06000007 RID: 7 RVA: 0x000024E0 File Offset: 0x000006E0         public MainForm()         {             this.InitializeComponent();         }          // Token: 0x06000008 RID: 8 RVA: 0x000024F0 File Offset: 0x000006F0         private async void button1_Click(object sender, EventArgs e)         {             if (!string.IsNullOrEmpty(this.textBox1.Text) && !string.IsNullOrEmpty(this.textBox2.Text))             {                 try                 {                     await Program.client.ConnectAsync(false);                     IEnumerable<string> arg_10A_0 = this.textBox1.Text.Split(new char[]                     {                         ','                     });                     Func<string, string> arg_10A_1;                     if ((arg_10A_1 = MainForm.<>c.<>9__1_0) == null)                     {                         arg_10A_1 = (MainForm.<>c.<>9__1_0 = new Func<string, string>(MainForm.<>c.<>9.<button1_Click>b__1_0));                     }                     IEnumerable<string> enumerable = arg_10A_0.Select(arg_10A_1);                     if (enumerable.Count<string>() > 3)                     {                         MessageBox.Show("In FREE version you can send only to 3 users at once. Get FULL version to remove the restriction.", "Full Version needed");                     }                     else                     {                         TLRequestImportContacts tLRequestImportContacts = new TLRequestImportContacts();                         tLRequestImportContacts.contacts = new TLVector<TLInputPhoneContact>();                         int num = 0;                         this.progressBar1.Minimum = 0;                         this.progressBar1.Maximum = enumerable.Count<string>();                         this.progressBar1.Step = 1;                         this.progressBar1.Enabled = true;                         IEnumerator<string> enumerator = enumerable.GetEnumerator();                         int num2;                         try                         {                             while (enumerator.MoveNext())                             {                                 string current = enumerator.Current;                                 TLInputPhoneContact tLInputPhoneContact = new TLInputPhoneContact();                                 tLInputPhoneContact.phone = current;                                 tLInputPhoneContact.first_name = num.ToString();                                 tLInputPhoneContact.last_name = num.ToString();                                 tLRequestImportContacts.contacts.lists.Add(tLInputPhoneContact);                                 num++;                             }                         }                         finally                         {                             if (num2 < 0 && enumerator != null)                             {                                 enumerator.Dispose();                             }                         }                         TLImportedContacts tLImportedContacts = await Program.client.SendRequestAsync<TLImportedContacts>(tLRequestImportContacts);                         List<TLAbsUser>.Enumerator enumerator2 = tLImportedContacts.users.lists.GetEnumerator();                         try                         {                             while (enumerator2.MoveNext())                             {                                 TLAbsUser current2 = enumerator2.Current;                                 if (MainForm.<>o__1.<>p__3 == null)                                 {                                     MainForm.<>o__1.<>p__3 = CallSite<Func<CallSite, object, bool>>.Create(Binder.UnaryOperation(CSharpBinderFlags.None, ExpressionType.IsTrue, typeof(MainForm), new CSharpArgumentInfo[]                                     {                                         CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null)                                     }));                                 }                                 Func<CallSite, object, bool> arg_3D3_0 = MainForm.<>o__1.<>p__3.Target;                                 CallSite arg_3D3_1 = MainForm.<>o__1.<>p__3;                                 if (MainForm.<>o__1.<>p__2 == null)                                 {                                     MainForm.<>o__1.<>p__2 = CallSite<Func<CallSite, object, object, object>>.Create(Binder.BinaryOperation(CSharpBinderFlags.None, ExpressionType.Equal, typeof(MainForm), new CSharpArgumentInfo[]                                     {                                         CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null),                                         CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.Constant, null)                                     }));                                 }                                 Func<CallSite, object, object, object> arg_3CE_0 = MainForm.<>o__1.<>p__2.Target;                                 CallSite arg_3CE_1 = MainForm.<>o__1.<>p__2;                                 if (MainForm.<>o__1.<>p__1 == null)                                 {                                     MainForm.<>o__1.<>p__1 = CallSite<Func<CallSite, object, string, object>>.Create(Binder.InvokeMember(CSharpBinderFlags.None, "GetProperty", null, typeof(MainForm), new CSharpArgumentInfo[]                                     {                                         CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null),                                         CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.UseCompileTimeType | CSharpArgumentInfoFlags.Constant, null)                                     }));                                 }                                 Func<CallSite, object, string, object> arg_3C8_0 = MainForm.<>o__1.<>p__1.Target;                                 CallSite arg_3C8_1 = MainForm.<>o__1.<>p__1;                                 if (MainForm.<>o__1.<>p__0 == null)                                 {                                     MainForm.<>o__1.<>p__0 = CallSite<Func<CallSite, object, object>>.Create(Binder.InvokeMember(CSharpBinderFlags.None, "GetType", null, typeof(MainForm), new CSharpArgumentInfo[]                                     {                                         CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null)                                     }));                                 }                                 if (!arg_3D3_0(arg_3D3_1, arg_3CE_0(arg_3CE_1, arg_3C8_0(arg_3C8_1, MainForm.<>o__1.<>p__0.Target(MainForm.<>o__1.<>p__0, current2), "id"), null)))                                 {                                     TLInputPeerUser tLInputPeerUser = new TLInputPeerUser();                                     if (MainForm.<>o__1.<>p__5 == null)                                     {                                         MainForm.<>o__1.<>p__5 = CallSite<Func<CallSite, object, int>>.Create(Binder.Convert(CSharpBinderFlags.None, typeof(int), typeof(MainForm)));                                     }                                     Func<CallSite, object, int> arg_46C_0 = MainForm.<>o__1.<>p__5.Target;                                     CallSite arg_46C_1 = MainForm.<>o__1.<>p__5;                                     if (MainForm.<>o__1.<>p__4 == null)                                     {                                         MainForm.<>o__1.<>p__4 = CallSite<Func<CallSite, object, object>>.Create(Binder.GetMember(CSharpBinderFlags.None, "id", typeof(MainForm), new CSharpArgumentInfo[]                                         {                                             CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null)                                         }));                                     }                                     tLInputPeerUser.user_id = arg_46C_0(arg_46C_1, MainForm.<>o__1.<>p__4.Target(MainForm.<>o__1.<>p__4, current2));                                     await Program.client.SendMessageAsync(tLInputPeerUser, this.textBox2.Text);                                     this.progressBar1.PerformStep();                                     Thread.Sleep(2000);                                 }                             }                         }                         finally                         {                             if (num2 < 0)                             {                                 ((IDisposable)enumerator2).Dispose();                             }                         }                         enumerator2 = default(List<TLAbsUser>.Enumerator);                         this.progressBar1.Enabled = false;                         this.progressBar1.Value = 0;                         MessageBox.Show("Sent!", "Success");                     }                 }                 catch (Exception ex)                 {                     MessageBox.Show(string.Format("Something went wrong. Exception: {0}", ex.ToString()), "Error");                 }             }         }          // Token: 0x06000009 RID: 9 RVA: 0x00002529 File Offset: 0x00000729         private void linkLabel3_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)         {             Process.Start("http://sochix.ru");         }          // Token: 0x0600000A RID: 10 RVA: 0x00002536 File Offset: 0x00000736         private void linkLabel2_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)         {             Process.Start("https://github.com/sochix/telegram-tools#different-version");         }          // Token: 0x0600000B RID: 11 RVA: 0x00002543 File Offset: 0x00000743         private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)         {             Process.Start("https://github.com/sochix/telegram-tools");         }          // Token: 0x0600000C RID: 12 RVA: 0x00002550 File Offset: 0x00000750         protected override void Dispose(bool disposing)         {             if (disposing && this.components != null)             {                 this.components.Dispose();             }             base.Dispose(disposing);         }          // Token: 0x0600000D RID: 13 RVA: 0x00002570 File Offset: 0x00000770         private void InitializeComponent()         {             ComponentResourceManager componentResourceManager = new ComponentResourceManager(typeof(MainForm));             this.textBox1 = new TextBox();             this.label1 = new Label();             this.label2 = new Label();             this.textBox2 = new TextBox();             this.button1 = new Button();             this.progressBar1 = new ProgressBar();             this.linkLabel1 = new LinkLabel();             this.linkLabel2 = new LinkLabel();             this.linkLabel3 = new LinkLabel();             base.SuspendLayout();             this.textBox1.Location = new Point(10, 60);             this.textBox1.Multiline = true;             this.textBox1.Name = "textBox1";             this.textBox1.ScrollBars = ScrollBars.Horizontal;             this.textBox1.Size = new Size(470, 600);             this.textBox1.TabIndex = 0;             this.label1.AutoSize = true;             this.label1.Location = new Point(10, 10);             this.label1.Name = "label1";             this.label1.Size = new Size(470, 25);             this.label1.TabIndex = 1;             this.label1.Text = "User Phone Numbers, separated with comma (,)";             this.label2.AutoSize = true;             this.label2.Location = new Point(530, 10);             this.label2.Name = "label2";             this.label2.Size = new Size(131, 25);             this.label2.TabIndex = 2;             this.label2.Text = "Text to send";             this.textBox2.Location = new Point(530, 60);             this.textBox2.Multiline = true;             this.textBox2.Name = "textBox2";             this.textBox2.ScrollBars = ScrollBars.Horizontal;             this.textBox2.Size = new Size(470, 600);             this.textBox2.TabIndex = 3;             this.button1.ImageAlign = ContentAlignment.MiddleLeft;             this.button1.Location = new Point(400, 727);             this.button1.Name = "button1";             this.button1.Size = new Size(208, 64);             this.button1.TabIndex = 4;             this.button1.Text = "Send";             this.button1.UseVisualStyleBackColor = true;             this.button1.Click += new EventHandler(this.button1_Click);             this.progressBar1.Enabled = false;             this.progressBar1.Location = new Point(10, 678);             this.progressBar1.Name = "progressBar1";             this.progressBar1.Size = new Size(990, 36);             this.progressBar1.TabIndex = 5;             this.linkLabel1.AutoSize = true;             this.linkLabel1.Location = new Point(5, 731);             this.linkLabel1.Name = "linkLabel1";             this.linkLabel1.Size = new Size(214, 25);             this.linkLabel1.TabIndex = 6;             this.linkLabel1.TabStop = true;             this.linkLabel1.Text = "Have any questions?";             this.linkLabel1.LinkClicked += new LinkLabelLinkClickedEventHandler(this.linkLabel1_LinkClicked);             this.linkLabel2.AutoSize = true;             this.linkLabel2.Location = new Point(5, 762);             this.linkLabel2.Name = "linkLabel2";             this.linkLabel2.Size = new Size(159, 25);             this.linkLabel2.TabIndex = 7;             this.linkLabel2.TabStop = true;             this.linkLabel2.Text = "Buy full version";             this.linkLabel2.LinkClicked += new LinkLabelLinkClickedEventHandler(this.linkLabel2_LinkClicked);             this.linkLabel3.AutoSize = true;             this.linkLabel3.Location = new Point(696, 762);             this.linkLabel3.Name = "linkLabel3";             this.linkLabel3.Size = new Size(304, 25);             this.linkLabel3.TabIndex = 8;             this.linkLabel3.TabStop = true;             this.linkLabel3.Text = "Developed by Sochix (C) 2017";             this.linkLabel3.LinkClicked += new LinkLabelLinkClickedEventHandler(this.linkLabel3_LinkClicked);             base.AutoScaleDimensions = new SizeF(192f, 192f);             base.AutoScaleMode = AutoScaleMode.Dpi;             base.ClientSize = new Size(1009, 803);             base.Controls.Add(this.linkLabel3);             base.Controls.Add(this.linkLabel2);             base.Controls.Add(this.linkLabel1);             base.Controls.Add(this.progressBar1);             base.Controls.Add(this.button1);             base.Controls.Add(this.textBox2);             base.Controls.Add(this.label2);             base.Controls.Add(this.label1);             base.Controls.Add(this.textBox1);             base.FormBorderStyle = FormBorderStyle.FixedSingle;             base.Icon = (Icon)componentResourceManager.GetObject("$  this.Icon");             base.MaximizeBox = false;             base.Name = "MainForm";             base.StartPosition = FormStartPosition.CenterParent;             this.Text = "TelegramTools";             base.ResumeLayout(false);             base.PerformLayout();         }          // Token: 0x04000009 RID: 9         private IContainer components;          // Token: 0x0400000A RID: 10         private TextBox textBox1;          // Token: 0x0400000B RID: 11         private Label label1;          // Token: 0x0400000C RID: 12         private Label label2;          // Token: 0x0400000D RID: 13         private TextBox textBox2;          // Token: 0x0400000E RID: 14         private Button button1;          // Token: 0x0400000F RID: 15         private ProgressBar progressBar1;          // Token: 0x04000010 RID: 16         private LinkLabel linkLabel1;          // Token: 0x04000011 RID: 17         private LinkLabel linkLabel2;          // Token: 0x04000012 RID: 18         private LinkLabel linkLabel3;          // Token: 0x02000009 RID: 9         [CompilerGenerated]         private static class <>o__1         {             // Token: 0x04000021 RID: 33             public static CallSite<Func<CallSite, object, object>> <>p__0;              // Token: 0x04000022 RID: 34             public static CallSite<Func<CallSite, object, string, object>> <>p__1;              // Token: 0x04000023 RID: 35             public static CallSite<Func<CallSite, object, object, object>> <>p__2;              // Token: 0x04000024 RID: 36             public static CallSite<Func<CallSite, object, bool>> <>p__3;              // Token: 0x04000025 RID: 37             public static CallSite<Func<CallSite, object, object>> <>p__4;              // Token: 0x04000026 RID: 38             public static CallSite<Func<CallSite, object, int>> <>p__5;         }          // Token: 0x0200000A RID: 10         [CompilerGenerated]         [Serializable]         private sealed class <>c         {             // Token: 0x0600001C RID: 28 RVA: 0x00002F9A File Offset: 0x0000119A             internal string <button1_Click>b__1_0(string x)             {                 return x.Trim();             }              // Token: 0x04000027 RID: 39             public static readonly MainForm.<>c <>9 = new MainForm.<>c();              // Token: 0x04000028 RID: 40             public static Func<string, string> <>9__1_0;         }     } } 

El problema esque en las nombres de mis funciones pone el código tal que así:

MainForm.<>o__1.<>p__3 

Y a la hora de compilarlo no me deja. Alguien podría orientarme un poco¿?

el programa es: https://www.sendspace.com/file/562r7o