Генерация ошибок
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DoubleDeckerBus/DoubleDeckerBus/BusNotFoundExeption.cs
Normal file
19
DoubleDeckerBus/DoubleDeckerBus/BusNotFoundExeption.cs
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.Serialization;
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using System.Text;
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using System.Threading.Tasks;
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namespace DoubleDeckerBus
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{
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[Serializable]
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internal class BusNotFoundException : ApplicationException
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{
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public BusNotFoundException(int i) : base($"Не найден объект по позиции {i}") { }
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public BusNotFoundException() : base() { }
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public BusNotFoundException(string message) : base(message) { }
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public BusNotFoundException(string message, Exception exception) : base(message, exception) { }
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protected BusNotFoundException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
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}
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}
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@ -86,15 +86,27 @@ namespace DoubleDeckerBus
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return;
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return;
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}
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}
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int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
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int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
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if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] - pos != null)
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try
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{
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{
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MessageBox.Show("Объект удален");
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if (_mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty] - pos != null)
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pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
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{
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MessageBox.Show("Объект удален");
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pictureBox.Image = _mapsCollection[listBoxMaps.SelectedItem?.ToString() ?? string.Empty].ShowSet();
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}
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else
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{
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MessageBox.Show("Не удалось удалить объект");
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}
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}
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}
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else
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catch (BusNotFoundException ex)
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{
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{
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MessageBox.Show("Не удалось удалить объект");
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MessageBox.Show($"Ошибка удаления: {ex.Message}");
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}
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}
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catch (Exception ex)
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{
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MessageBox.Show($"Неизветсная шибка: {ex.Message}");
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}
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}
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}
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private void ButtonShowStorage_Click(object sender, EventArgs e)
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private void ButtonShowStorage_Click(object sender, EventArgs e)
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@ -181,13 +193,14 @@ namespace DoubleDeckerBus
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{
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{
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if (saveFileDialog.ShowDialog() == DialogResult.OK)
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if (saveFileDialog.ShowDialog() == DialogResult.OK)
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{
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{
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if (_mapsCollection.SaveData(saveFileDialog.FileName))
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try
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{
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{
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_mapsCollection.SaveData(saveFileDialog.FileName);
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MessageBox.Show("Сохранение прошло успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
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MessageBox.Show("Сохранение прошло успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
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}
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}
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else
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catch (Exception ex)
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{
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{
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MessageBox.Show("Не сохранилось", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
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MessageBox.Show($"Не сохранилось: {ex.Message}", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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}
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}
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}
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}
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@ -48,7 +48,7 @@ namespace DoubleDeckerBus
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}
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}
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public bool SaveData(string filename)
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public void SaveData(string filename)
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{
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{
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if (File.Exists(filename))
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if (File.Exists(filename))
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{
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{
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@ -62,14 +62,13 @@ namespace DoubleDeckerBus
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sw.Write($"{storage.Key}{separatorDict}{storage.Value.GetData(separatorDict, separatorData)}{Environment.NewLine}");
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sw.Write($"{storage.Key}{separatorDict}{storage.Value.GetData(separatorDict, separatorData)}{Environment.NewLine}");
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}
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}
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}
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}
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return true;
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}
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}
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public bool LoadData(string filename)
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public void LoadData(string filename)
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{
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{
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if (!File.Exists(filename))
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if (!File.Exists(filename))
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{
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{
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return false;
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throw new FileNotFoundException("Файл не найден");
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}
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}
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string line;
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string line;
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using (StreamReader sw = new(filename))
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using (StreamReader sw = new(filename))
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@ -77,7 +76,7 @@ namespace DoubleDeckerBus
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line = sw.ReadLine();
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line = sw.ReadLine();
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if (line == null || !line.Contains("MapsCollection"))
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if (line == null || !line.Contains("MapsCollection"))
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{
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{
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return false;
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throw new FileFormatException("Формат данных в файле не совпадает");
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}
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}
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_mapStorages.Clear();
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_mapStorages.Clear();
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@ -99,8 +98,6 @@ namespace DoubleDeckerBus
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_mapStorages[elem[0]].LoadData(elem[2].Split(separatorData, StringSplitOptions.RemoveEmptyEntries));
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_mapStorages[elem[0]].LoadData(elem[2].Split(separatorData, StringSplitOptions.RemoveEmptyEntries));
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line = sw.ReadLine();
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line = sw.ReadLine();
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}
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}
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return true;
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}
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}
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}
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}
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}
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}
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@ -45,7 +45,10 @@ namespace DoubleDeckerBus
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/// <returns></returns>
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/// <returns></returns>
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public int Insert(T bus, int position)
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public int Insert(T bus, int position)
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{
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{
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if (position < 0 || position >= _maxCount || BusyPlaces == _maxCount) return -1;
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if (position < 0 || position >= _maxCount)
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{
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throw new BusNotFoundException("Место указано неверно");
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}
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BusyPlaces++;
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BusyPlaces++;
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_places.Insert(position, bus);
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_places.Insert(position, bus);
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@ -58,7 +61,10 @@ namespace DoubleDeckerBus
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/// <returns></returns>
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/// <returns></returns>
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public T Remove(int position)
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public T Remove(int position)
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{
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{
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if (position < 0 || position >= _maxCount) return null;
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if (position < 0 || position >= _maxCount)
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{
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throw new BusNotFoundException(position);
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}
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T savedBus = _places[position];
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T savedBus = _places[position];
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_places.RemoveAt(position);
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_places.RemoveAt(position);
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return savedBus;
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return savedBus;
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19
DoubleDeckerBus/DoubleDeckerBus/StorageOverflowException.cs
Normal file
19
DoubleDeckerBus/DoubleDeckerBus/StorageOverflowException.cs
Normal file
@ -0,0 +1,19 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.Serialization;
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using System.Text;
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using System.Threading.Tasks;
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namespace DoubleDeckerBus
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{
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[Serializable]
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internal class StorageOverflowException : ApplicationException
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{
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public StorageOverflowException(int count) : base($"В наборе превышено допустимое количество: {count}") { }
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public StorageOverflowException() : base() { }
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public StorageOverflowException(string message) : base(message) { }
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public StorageOverflowException(string message, Exception exception) : base(message, exception) { }
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protected StorageOverflowException(SerializationInfo info, StreamingContext contex) : base(info, contex) { }
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}
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}
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