Индекс за пределами диапазона. Индекс должен быть положительным числом, а его размер не должен превышать размер коллекции. Имя параметра: index

[vkflood (Мирон)]

using AuthorizeVK;
using Newtonsoft.Json;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Threading;
using System.Windows.Forms;
using System.Xml.Serialization;
using VkUp.Targets;
using VkUp.Targets.Settings;
using VoiceBot;

namespace VkUp
{
	public class Account
	{
		public List<AutoansTarget> autoansTargets;
		public bool enabledAutoans { get; set; }
		public bool SetActibityAuto { get; set; }
		public int DelayAuto { get; set; }
		public bool ReplyToMessage { get; set; }
		public string AccInfo { get; set; }
		public string Userid { get; set; }
		public Account()
		{
			rnd = new Random();
		}

		public Account(string login, string password)
		{
			rnd = new Random();
			this.login = login;
			this.password = password;
			targets = new List<string>();
			names = new List<string>();
			namePlace = new List<string>();
			content = new List<string>();
			autoansTargets = new List<AutoansTarget>();
		}
		public void SetTargetAutoans(DataGridViewRowCollection rows)
        {
			autoansTargets.Clear();

			foreach (DataGridViewRow dataGrid in rows)
            {
				if (dataGrid.Cells[1].Value != null)
                {
					autoansTargets.Add(new AutoansTarget()
					{
						Name = (dataGrid.Cells[0].Value ?? "").ToString(),
						Target = dataGrid.Cells[1].Value.ToString(),
						Ids = dataGrid.Cells[2].Value.ToString(),
						Content = dataGrid.Cells[3].Value.ToString()
					});
                }
            }
        }
		public void SetTargets(DataGridViewRowCollection rows)
		{
			targets.Clear();
			names.Clear();
			namePlace.Clear();
			content.Clear();
			foreach (object obj in ((IEnumerable)rows))
			{
				DataGridViewRow dataGridViewRow = (DataGridViewRow)obj;
				if (dataGridViewRow.Cells[1].Value != null)
				{
					names.Add(dataGridViewRow.Cells[0].Value.ToString());
					targets.Add(dataGridViewRow.Cells[1].Value.ToString());
					namePlace.Add(dataGridViewRow.Cells[2].Value.ToString());
					content.Add(dataGridViewRow.Cells[3].Value.ToString());
				}
			}
		}

		public int CheckToken()
		{
			token_status = false;
			if (token == null)
			{
				return -1;
			}
			int result;
			try
			{
				VkParametes.APIRequest("friends.getRequests", "", token, "");
				token_status = true;
				result = 0;
			}
			catch (Exception ex)
			{
				if (ex.Message.Contains("could not get application"))
				{
					result = 1;
				}
				else
				{
					Log.Push("[Ошибка уровня API]: " + ex.Message);
					result = 2;
				}
			}
			return result;
		}
		public int GetToken()
		{
			if (CheckToken() == 0)
			{
				return 0;
			}


			try
            {
				var auth = new Auth(login, password);
				token = auth.Authorize();
				Userid = auth.UserId;
				dynamic json = JsonConvert.DeserializeObject(VkParametes.APIRequest("users.get", $"user_ids={Userid}", token, ""));
				AccInfo = $"{json["response"][0]["first_name"]} {json["response"][0]["last_name"]}";
				token_status = true;
				return 0;
            }
			catch (Exception ex) 
            {
				Log.Push($"Неизвестная ошибка авторизации: {ex.Message}");
				return -1;
            }
		}

        public void SaveToDisk()
		{
			var xmlSerializer = new XmlSerializer(typeof(Account));
			var textWriter = new StreamWriter($"Accounts\\{login}.xml");
			xmlSerializer.Serialize(textWriter, this);
			textWriter.Close();
		}
		public void TheAnswerToKeyword(int index)
		{
			var target = targets[index];
			var fs = new FlooderSettings();

			if (fs.GetHistory(target, token) != "Ок")
			{
				dynamic json = JsonConvert.DeserializeObject(fs.GetHistory(target, token));
				var text = Convert.ToString(json["response"]["items"][0]["text"]);

				dynamic url = JsonConvert.DeserializeObject(VkParametes.APIRequest("docs.getUploadServer", "type=audio_message", token));
				dynamic file = JsonConvert.DeserializeObject(Helper.HttpUploadFile(Convert.ToString(url["response"]["upload_url"]), "Audio\\" + fs.RandomAudio(), "file", "audio/MP3"));
				dynamic saveDocs = JsonConvert.DeserializeObject(VkParametes.APIRequest("docs.save", $"file={file["file"]}", token));

				var id = saveDocs["response"]["audio_message"]["id"];
				var owner_id = saveDocs["response"]["audio_message"]["owner_id"];

				if (target.StartsWith("im?sel="))
				{
					var users = StrWrk.qSubstr(target, "im?sel=", false);

					if (fs.Items.Contains(text))
					{
						VkParametes.APIRequest("messages.send", $"user_id={users}&attachment=doc{owner_id}_{id}", token, "");
					}
				}
				else if (target.StartsWith("im?sel=c"))
				{
					var chat = StrWrk.qSubstr(target, "im?sel=c", false);

					if (fs.Items.Contains(text))
					{
						VkParametes.APIRequest("messages.send", $"chat_id={chat}&attachment=doc{owner_id}_{id}", token, "");
					}
				}
			}
        }
		public void FlooderSendMessage(string msg, int index)
		{
			string text = targets[index];
			var name = names[index];
			var contains = content[index];
			var fs = new FlooderSettings();
			if (names[index] != null)
			{
				if (namePlace[index] == "Начало")
					msg = $"{name} {msg}";
				else if (namePlace[index] == "Конец")
					msg = $"{msg} {name}";
			}

			try
			{
				if (text.StartsWith("im?sel=c"))
				{
					var chat = StrWrk.qSubstr(text, "im?sel=c", false);
					if (setActive)
						VkParametes.SetActivity(text, token);

					switch (contains)
                    {
						case "Текст":
							VkParametes.APIRequest("messages.send", $"chat_id={chat}&message={msg}", token, "");
							break;
						case "Текст+стикер":
							VkParametes.APIRequest("messages.send", $"chat_id={chat}&message={msg}", token, "");
							VkParametes.APIRequest("messages.send", $"chat_id={chat}&sticker_id={fs.RandomStickers()}", token);
							break;
						case "Рандом":
							var r = rnd.Next(0, 7);
							if (r == 1 || r == 3 || r == 0)
							{
								VkParametes.APIRequest("messages.send", $"chat_id={chat}&message={msg}", token, "");
							}
							else
							{
								VkParametes.APIRequest("messages.send", $"chat_id={chat}&message={msg}", token, "");
								VkParametes.APIRequest("messages.send", $"chat_id={chat}&sticker_id={fs.RandomStickers()}", token);
							}
							break;
                    }
				}
				else if (text.StartsWith("im?sel="))
				{
					var user = StrWrk.qSubstr(text, "im?sel=", false);
					if (setActive)
						VkParametes.SetActivity(text, token);

					switch (contains)
					{
						case "Текст":
							VkParametes.APIRequest("messages.send", $"user_id={user}&message={msg}", token, "");
							break;
						case "Текст+стикер":
							VkParametes.APIRequest("messages.send", $"user_id={user}&message={msg}", token, "");
							VkParametes.APIRequest("messages.send", $"user_id={user}&sticker_id={fs.RandomStickers()}", token);
							break;
						case "Рандом":
							var r = rnd.Next(0, 7);
							if (r == 1 || r == 3 || r == 0)
                            {
								VkParametes.APIRequest("messages.send", $"user_id={user}&message={msg}", token, "");
							}
							else
                            {
								VkParametes.APIRequest("messages.send", $"user_id={user}&message={msg}", token, "");
								VkParametes.APIRequest("messages.send", $"user_id={user}&sticker_id={fs.RandomStickers()}", token);
							}
							break;
					}
				}
				else
					Log.Push($"[{login}]: {text} — неверный формат ссылки");
			}
			catch (Exception ex)
			{
				Log.Push("[Ошибка уровня API]: " + ex.Message);
			}
		}

		private void WorksFlooder()
		{
			var fs = new FlooderSettings();
			int index = -1;
			while (Working && enabled)
			{
				try
				{
					if (targets.Count == 0)
					{
						Log.Push($"Отсутствуют цели флудера...");
						return;
					}
					else
                    {
						index = (index + 1) % targets.Count;
						TheAnswerToKeyword(index);
						FlooderSendMessage(MainForm.phrases[rnd.Next(0, MainForm.phrases.Length)], index);
					}
				}
				catch (Exception ex)
				{
					Log.Push($"[Поток {login}]: " + ex.Message);
				}
				fs.RandomDelay(TimeDelay, delay, DelayMax);
			}
		}

		public void AutoansSendMessage(string message, int index)
        {
			var target = autoansTargets[index].Target;
			var name = autoansTargets[index].Name;
			var ids = autoansTargets[index].Ids;
			var content = autoansTargets[index].Content;
			var fs = new FlooderSettings();

			if (!string.IsNullOrEmpty(name))
				message = $"{name} {message}";
			if (target.StartsWith("im?sel=c"))
            {
				var chat = StrWrk.qSubstr(target, "im?sel=c", false);
				dynamic history = JsonConvert.DeserializeObject(
					VkParametes.APIRequest("messages.getHistory", $"peer_id={2000000000 + int.Parse(chat)}&count=1", token, ""));
				var fromId = history["response"]["items"][0]["from_id"];
				var idMessage = history["response"]["items"][0]["id"];
				foreach (var id in ids.Split(','))
                {
					if (fromId == id)
                    {
						if (SetActibityAuto)
						{
							VkParametes.APIRequest("messages.setActivity", $"chat_id={chat}&type=typing", token, "");
							Thread.Sleep(2000);
						}

						if (content == "Текст")
						{
							if (ReplyToMessage)
								VkParametes.APIRequest("messages.send", $"chat_id={chat}&message={message}&reply_to={idMessage}", token, "");
							else
								VkParametes.APIRequest("messages.send", $"chat_id={chat}&message={message}", token, "");
						}
						else if (content == "Текст+стикер")
                        {
							if (ReplyToMessage)
							{
								VkParametes.APIRequest("messages.send", $"chat_id={chat}&message={message}&reply_to={idMessage}", token, "");
								VkParametes.APIRequest("messages.send", $"chat_id={chat}&sticker_id={fs.RandomStickers()}&reply_to={idMessage}", token, "");
							}
							else
							{
								VkParametes.APIRequest("messages.send", $"chat_id={chat}&message={message}", token, "");
								VkParametes.APIRequest("messages.send", $"chat_id={chat}&sticker_id={fs.RandomStickers()}", token, "");
							}
						}
					}
                }
            }
			else if (target.StartsWith("im?sel="))
            {
				if (ids.Contains(","))
                {
					Log.Push("Невозможно указать несколько ID для личных сообщений.");
					return;
                }

				var user = StrWrk.qSubstr(target, "im?sel=", false);
				dynamic json = JsonConvert.DeserializeObject(
					VkParametes.APIRequest("messages.getHistory", $"user_id={user}&count=1", token, ""));
				var fromId = json["response"]["items"][0]["from_id"];
				var id = json["response"]["items"][0]["id"];
				if (fromId == ids)
                {
					if (SetActibityAuto)
                    {
						VkParametes.APIRequest("messages.setActivity", $"user_id={user}&type=typing", token, "");
						Thread.Sleep(2000);
					}

					if (content == "Текст")
					{
						if (ReplyToMessage)
							VkParametes.APIRequest("messages.send", $"user_id={user}&message={message}&reply_to={id}", token, "");
						else
							VkParametes.APIRequest("messages.send", $"user_id={user}&message={message}", token, "");
					}
					else if (content == "Текст+стикер")
                    {
						if (ReplyToMessage)
						{
							VkParametes.APIRequest("messages.send", $"user_id={user}&message={message}&reply_to={id}", token, "");
							VkParametes.APIRequest("messages.send", $"user_id={user}&sticker_id={fs.RandomStickers()}&reply_to={id}", token, "");
						}
						else
						{
							VkParametes.APIRequest("messages.send", $"user_id={user}&message={message}", token, "");
							VkParametes.APIRequest("messages.send", $"user_id={user}&sticker_id={fs.RandomStickers()}", token, "");
						}
					}
                }
            }
        }
		public void WorkAutoans()
        {
			int index = -1;
			if (autoansTargets.Count == 0)
            {
				Log.Push("Отсутствуют цели автоответчика...");
				return;
            }

			while (Working && enabledAutoans)
            {
				try
                {
					index = (index + 1) % autoansTargets.Count;
					AutoansSendMessage(MainForm.phrases[rnd.Next(MainForm.phrases.Length)], index);

					Thread.Sleep(DelayAuto);
                }
				catch (Exception ex) 
                {
					Log.Push($"[Автоответчик]: {ex.Message}");
                }
            }
        }
		public void AsyncWorker()
		{
			if (enabled)
				new Thread(() => WorksFlooder()) { IsBackground = true }.Start();

			if (enabledAutoans)
				new Thread(() => WorkAutoans()) { IsBackground = true }.Start();
		}

		[NonSerialized]
		public static bool Working;

		[NonSerialized]
		private Random rnd;

		[NonSerialized]
		public bool token_status;

		public string login;

		public string password;

		public string token;

		public List<string> targets;

		public List<string> names;

		public List<string> namePlace;
		public List<string> content;

		public int delay;

		public bool enabled;

		public bool setActive;

		public int DelayMax;

		public string TimeDelay;
	}
}

[AlexP]

Ну так в ошибке же написано что не так: обращение к элементу с несуществующим номером в коллекции.
Надо разбираться почему так получается и решать что с этим делать, в зависимости от причин и задачи.

А в какой строке-то хоть?)