4 лабораторная работа

This commit is contained in:
ikswi 2024-04-07 21:39:34 +04:00
parent 18aaa18c04
commit ec4709d52f
5 changed files with 393 additions and 31 deletions

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@ -0,0 +1,22 @@
namespace ProjectAirFighter.CollectionGenericObjects;
/// <summary>
/// Тип коллекции
/// </summary>
public enum CollectionType
{
/// <summary>
/// Неопределено
/// </summary>
None = 0,
/// <summary>
/// Массив
/// </summary>
Massive = 1,
/// <summary>
/// Список
/// </summary>
List = 2
}

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@ -0,0 +1,60 @@
namespace ProjectAirFighter.CollectionGenericObjects;
/// <summary>
/// Параметризованный набор объектов
/// </summary>
/// <typeparam name="T">Параметр: ограничение - ссылочный тип</typeparam>
public class ListGenericObjects<T> : ICollectionGenericObjects<T>
where T : class
{
/// <summary>
/// Список объектов, которые храним
/// </summary>
private readonly List<T?> _collection;
/// <summary>
/// Максимально допустимое число объектов в списке
/// </summary>
private int _maxCount;
public int Count => _collection.Count;
public int SetMaxCount { set { if (value > 0) { _maxCount = value; } } }
/// <summary>
/// Конструктор
/// </summary>
public ListGenericObjects()
{
_collection = new();
}
public T? Get(int position)
{
if (position >= Count || position < 0) return null;
return _collection[position];
}
public int Insert(T obj)
{
if (Count + 1 > _maxCount) return -1;
_collection.Add(obj);
return Count;
}
public int Insert(T obj, int position)
{
if (Count + 1 > _maxCount) return -1;
if (position < 0 || position > Count) return -1;
_collection.Insert(position, obj);
return 1;
}
public T? Remove(int position)
{
if (position < 0 || position > Count) return null;
T? pos = _collection[position];
_collection.RemoveAt(position);
return pos;
}
}

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@ -0,0 +1,73 @@
namespace ProjectAirFighter.CollectionGenericObjects;
/// <summary>
/// Класс-хранилище коллекций
/// </summary>
/// <typeparam name="T"></typeparam>
public class StorageCollection<T>
where T : class
{
/// <summary>
/// Словарь (хранилище) с коллекциями
/// </summary>
readonly Dictionary<string, ICollectionGenericObjects<T>> _storages;
/// <summary>
/// Возвращение списка названий коллекций
/// </summary>
public List<string> Keys => _storages.Keys.ToList();
/// <summary>
/// Конструктор
/// </summary>
public StorageCollection()
{
_storages = new Dictionary<string, ICollectionGenericObjects<T>>(); //вот тут какое-то свойство
}
/// <summary>
/// Добавление коллекции в хранилище
/// </summary>
/// <param name="name">Название коллекции</param>
/// <param name="collectionType">тип коллекции</param>
public void AddCollection(string name, CollectionType collectionType)
{
if (name == null || _storages.ContainsKey(name)) { return; }
switch (collectionType)
{
case CollectionType.None:
return;
case CollectionType.Massive:
_storages[name] = new MassiveGenericObjects<T>();
return;
case CollectionType.List:
_storages[name] = new ListGenericObjects<T>();
return;
}
}
/// <summary>
/// Удаление коллекции
/// </summary>
/// <param name="name">Название коллекции</param>
public void DelCollection(string name)
{
if (_storages.ContainsKey(name))
_storages.Remove(name);
}
/// <summary>
/// Доступ к коллекции
/// </summary>
/// <param name="name">Название коллекции</param>
/// <returns></returns>
public ICollectionGenericObjects<T>? this[string name]
{
get
{
if (name == null || !_storages.ContainsKey(name)) { return null; }
return _storages[name];
}
}
}

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@ -29,6 +29,15 @@
private void InitializeComponent() private void InitializeComponent()
{ {
groupBoxTools = new GroupBox(); groupBoxTools = new GroupBox();
buttonCreateCompany = new Button();
panelStorage = new Panel();
buttonCollectionDel = new Button();
listBoxCollection = new ListBox();
buttonCollectionAdd = new Button();
textBoxCollectionName = new TextBox();
radioButtonMassive = new RadioButton();
radioButtonList = new RadioButton();
labelCollectionName = new Label();
buttonRefresh = new Button(); buttonRefresh = new Button();
buttonGoToCheck = new Button(); buttonGoToCheck = new Button();
buttonRemoveMilitaryAircraft = new Button(); buttonRemoveMilitaryAircraft = new Button();
@ -37,33 +46,125 @@
buttonAddMilitaryAircraft = new Button(); buttonAddMilitaryAircraft = new Button();
comboBoxSelectorCompany = new ComboBox(); comboBoxSelectorCompany = new ComboBox();
pictureBox = new PictureBox(); pictureBox = new PictureBox();
panelCompanyTools = new Panel();
groupBoxTools.SuspendLayout(); groupBoxTools.SuspendLayout();
panelStorage.SuspendLayout();
((System.ComponentModel.ISupportInitialize)pictureBox).BeginInit(); ((System.ComponentModel.ISupportInitialize)pictureBox).BeginInit();
panelCompanyTools.SuspendLayout();
SuspendLayout(); SuspendLayout();
// //
// groupBoxTools // groupBoxTools
// //
groupBoxTools.Controls.Add(buttonRefresh); groupBoxTools.Controls.Add(panelCompanyTools);
groupBoxTools.Controls.Add(buttonGoToCheck); groupBoxTools.Controls.Add(buttonCreateCompany);
groupBoxTools.Controls.Add(buttonRemoveMilitaryAircraft); groupBoxTools.Controls.Add(panelStorage);
groupBoxTools.Controls.Add(maskedTextBoxPosition);
groupBoxTools.Controls.Add(buttonAddAirFighter);
groupBoxTools.Controls.Add(buttonAddMilitaryAircraft);
groupBoxTools.Controls.Add(comboBoxSelectorCompany); groupBoxTools.Controls.Add(comboBoxSelectorCompany);
groupBoxTools.Dock = DockStyle.Right; groupBoxTools.Dock = DockStyle.Right;
groupBoxTools.Location = new Point(610, 0); groupBoxTools.Location = new Point(744, 0);
groupBoxTools.Name = "groupBoxTools"; groupBoxTools.Name = "groupBoxTools";
groupBoxTools.Size = new Size(190, 450); groupBoxTools.Size = new Size(206, 667);
groupBoxTools.TabIndex = 0; groupBoxTools.TabIndex = 0;
groupBoxTools.TabStop = false; groupBoxTools.TabStop = false;
groupBoxTools.Text = "Инструменты"; groupBoxTools.Text = "Инструменты";
// //
// buttonCreateCompany
//
buttonCreateCompany.Location = new Point(7, 322);
buttonCreateCompany.Name = "buttonCreateCompany";
buttonCreateCompany.Size = new Size(191, 29);
buttonCreateCompany.TabIndex = 9;
buttonCreateCompany.Text = "Создание компании";
buttonCreateCompany.UseVisualStyleBackColor = true;
buttonCreateCompany.Click += buttonCreateCompany_Click;
//
// panelStorage
//
panelStorage.Controls.Add(buttonCollectionDel);
panelStorage.Controls.Add(listBoxCollection);
panelStorage.Controls.Add(buttonCollectionAdd);
panelStorage.Controls.Add(textBoxCollectionName);
panelStorage.Controls.Add(radioButtonMassive);
panelStorage.Controls.Add(radioButtonList);
panelStorage.Controls.Add(labelCollectionName);
panelStorage.Dock = DockStyle.Top;
panelStorage.Location = new Point(3, 23);
panelStorage.Name = "panelStorage";
panelStorage.Size = new Size(200, 256);
panelStorage.TabIndex = 8;
//
// buttonCollectionDel
//
buttonCollectionDel.Location = new Point(6, 224);
buttonCollectionDel.Name = "buttonCollectionDel";
buttonCollectionDel.Size = new Size(189, 29);
buttonCollectionDel.TabIndex = 6;
buttonCollectionDel.Text = "Удаление коллекции";
buttonCollectionDel.UseVisualStyleBackColor = true;
buttonCollectionDel.Click += buttonCollectionDel_Click;
//
// listBoxCollection
//
listBoxCollection.FormattingEnabled = true;
listBoxCollection.ItemHeight = 20;
listBoxCollection.Location = new Point(6, 131);
listBoxCollection.Name = "listBoxCollection";
listBoxCollection.Size = new Size(189, 84);
listBoxCollection.TabIndex = 5;
//
// buttonCollectionAdd
//
buttonCollectionAdd.Location = new Point(6, 96);
buttonCollectionAdd.Name = "buttonCollectionAdd";
buttonCollectionAdd.Size = new Size(189, 29);
buttonCollectionAdd.TabIndex = 4;
buttonCollectionAdd.Text = "Добавить коллекцию";
buttonCollectionAdd.UseVisualStyleBackColor = true;
buttonCollectionAdd.Click += buttonCollectionAdd_Click;
//
// textBoxCollectionName
//
textBoxCollectionName.Location = new Point(6, 33);
textBoxCollectionName.Name = "textBoxCollectionName";
textBoxCollectionName.Size = new Size(189, 27);
textBoxCollectionName.TabIndex = 3;
//
// radioButtonMassive
//
radioButtonMassive.AutoSize = true;
radioButtonMassive.Location = new Point(6, 66);
radioButtonMassive.Name = "radioButtonMassive";
radioButtonMassive.Size = new Size(82, 24);
radioButtonMassive.TabIndex = 2;
radioButtonMassive.TabStop = true;
radioButtonMassive.Text = "Массив";
radioButtonMassive.UseVisualStyleBackColor = true;
//
// radioButtonList
//
radioButtonList.AutoSize = true;
radioButtonList.Location = new Point(115, 66);
radioButtonList.Name = "radioButtonList";
radioButtonList.Size = new Size(80, 24);
radioButtonList.TabIndex = 1;
radioButtonList.TabStop = true;
radioButtonList.Text = "Список";
radioButtonList.UseVisualStyleBackColor = true;
//
// labelCollectionName
//
labelCollectionName.AutoSize = true;
labelCollectionName.Location = new Point(17, 10);
labelCollectionName.Name = "labelCollectionName";
labelCollectionName.Size = new Size(158, 20);
labelCollectionName.TabIndex = 0;
labelCollectionName.Text = "Название коллекции:";
//
// buttonRefresh // buttonRefresh
// //
buttonRefresh.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right; buttonRefresh.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
buttonRefresh.Location = new Point(9, 389); buttonRefresh.Location = new Point(3, 252);
buttonRefresh.Name = "buttonRefresh"; buttonRefresh.Name = "buttonRefresh";
buttonRefresh.Size = new Size(175, 49); buttonRefresh.Size = new Size(192, 49);
buttonRefresh.TabIndex = 7; buttonRefresh.TabIndex = 7;
buttonRefresh.Text = "Обновить"; buttonRefresh.Text = "Обновить";
buttonRefresh.UseVisualStyleBackColor = true; buttonRefresh.UseVisualStyleBackColor = true;
@ -72,9 +173,9 @@
// buttonGoToCheck // buttonGoToCheck
// //
buttonGoToCheck.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right; buttonGoToCheck.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
buttonGoToCheck.Location = new Point(9, 316); buttonGoToCheck.Location = new Point(3, 197);
buttonGoToCheck.Name = "buttonGoToCheck"; buttonGoToCheck.Name = "buttonGoToCheck";
buttonGoToCheck.Size = new Size(175, 49); buttonGoToCheck.Size = new Size(192, 49);
buttonGoToCheck.TabIndex = 6; buttonGoToCheck.TabIndex = 6;
buttonGoToCheck.Text = "Передать на тесты"; buttonGoToCheck.Text = "Передать на тесты";
buttonGoToCheck.UseVisualStyleBackColor = true; buttonGoToCheck.UseVisualStyleBackColor = true;
@ -83,9 +184,9 @@
// buttonRemoveMilitaryAircraft // buttonRemoveMilitaryAircraft
// //
buttonRemoveMilitaryAircraft.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right; buttonRemoveMilitaryAircraft.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
buttonRemoveMilitaryAircraft.Location = new Point(9, 234); buttonRemoveMilitaryAircraft.Location = new Point(4, 142);
buttonRemoveMilitaryAircraft.Name = "buttonRemoveMilitaryAircraft"; buttonRemoveMilitaryAircraft.Name = "buttonRemoveMilitaryAircraft";
buttonRemoveMilitaryAircraft.Size = new Size(175, 49); buttonRemoveMilitaryAircraft.Size = new Size(191, 49);
buttonRemoveMilitaryAircraft.TabIndex = 5; buttonRemoveMilitaryAircraft.TabIndex = 5;
buttonRemoveMilitaryAircraft.Text = "Удаление военного самолёта"; buttonRemoveMilitaryAircraft.Text = "Удаление военного самолёта";
buttonRemoveMilitaryAircraft.UseVisualStyleBackColor = true; buttonRemoveMilitaryAircraft.UseVisualStyleBackColor = true;
@ -94,19 +195,19 @@
// maskedTextBoxPosition // maskedTextBoxPosition
// //
maskedTextBoxPosition.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right; maskedTextBoxPosition.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
maskedTextBoxPosition.Location = new Point(9, 201); maskedTextBoxPosition.Location = new Point(3, 109);
maskedTextBoxPosition.Mask = "00"; maskedTextBoxPosition.Mask = "00";
maskedTextBoxPosition.Name = "maskedTextBoxPosition"; maskedTextBoxPosition.Name = "maskedTextBoxPosition";
maskedTextBoxPosition.Size = new Size(175, 27); maskedTextBoxPosition.Size = new Size(192, 27);
maskedTextBoxPosition.TabIndex = 4; maskedTextBoxPosition.TabIndex = 4;
maskedTextBoxPosition.ValidatingType = typeof(int); maskedTextBoxPosition.ValidatingType = typeof(int);
// //
// buttonAddAirFighter // buttonAddAirFighter
// //
buttonAddAirFighter.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right; buttonAddAirFighter.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
buttonAddAirFighter.Location = new Point(9, 128); buttonAddAirFighter.Location = new Point(3, 54);
buttonAddAirFighter.Name = "buttonAddAirFighter"; buttonAddAirFighter.Name = "buttonAddAirFighter";
buttonAddAirFighter.Size = new Size(175, 49); buttonAddAirFighter.Size = new Size(192, 49);
buttonAddAirFighter.TabIndex = 2; buttonAddAirFighter.TabIndex = 2;
buttonAddAirFighter.Text = "Добавление истребителя"; buttonAddAirFighter.Text = "Добавление истребителя";
buttonAddAirFighter.UseVisualStyleBackColor = true; buttonAddAirFighter.UseVisualStyleBackColor = true;
@ -115,9 +216,9 @@
// buttonAddMilitaryAircraft // buttonAddMilitaryAircraft
// //
buttonAddMilitaryAircraft.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right; buttonAddMilitaryAircraft.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
buttonAddMilitaryAircraft.Location = new Point(9, 73); buttonAddMilitaryAircraft.Location = new Point(4, 3);
buttonAddMilitaryAircraft.Name = "buttonAddMilitaryAircraft"; buttonAddMilitaryAircraft.Name = "buttonAddMilitaryAircraft";
buttonAddMilitaryAircraft.Size = new Size(175, 49); buttonAddMilitaryAircraft.Size = new Size(191, 49);
buttonAddMilitaryAircraft.TabIndex = 1; buttonAddMilitaryAircraft.TabIndex = 1;
buttonAddMilitaryAircraft.Text = "Добавление военного самолёта"; buttonAddMilitaryAircraft.Text = "Добавление военного самолёта";
buttonAddMilitaryAircraft.UseVisualStyleBackColor = true; buttonAddMilitaryAircraft.UseVisualStyleBackColor = true;
@ -129,9 +230,9 @@
comboBoxSelectorCompany.DropDownStyle = ComboBoxStyle.DropDownList; comboBoxSelectorCompany.DropDownStyle = ComboBoxStyle.DropDownList;
comboBoxSelectorCompany.FormattingEnabled = true; comboBoxSelectorCompany.FormattingEnabled = true;
comboBoxSelectorCompany.Items.AddRange(new object[] { "Хранилище" }); comboBoxSelectorCompany.Items.AddRange(new object[] { "Хранилище" });
comboBoxSelectorCompany.Location = new Point(9, 26); comboBoxSelectorCompany.Location = new Point(7, 285);
comboBoxSelectorCompany.Name = "comboBoxSelectorCompany"; comboBoxSelectorCompany.Name = "comboBoxSelectorCompany";
comboBoxSelectorCompany.Size = new Size(175, 28); comboBoxSelectorCompany.Size = new Size(193, 28);
comboBoxSelectorCompany.TabIndex = 0; comboBoxSelectorCompany.TabIndex = 0;
comboBoxSelectorCompany.SelectedIndexChanged += comboBoxSelectorCompany_SelectedIndexChanged; comboBoxSelectorCompany.SelectedIndexChanged += comboBoxSelectorCompany_SelectedIndexChanged;
// //
@ -140,22 +241,40 @@
pictureBox.Dock = DockStyle.Fill; pictureBox.Dock = DockStyle.Fill;
pictureBox.Location = new Point(0, 0); pictureBox.Location = new Point(0, 0);
pictureBox.Name = "pictureBox"; pictureBox.Name = "pictureBox";
pictureBox.Size = new Size(610, 450); pictureBox.Size = new Size(744, 667);
pictureBox.TabIndex = 3; pictureBox.TabIndex = 3;
pictureBox.TabStop = false; pictureBox.TabStop = false;
// //
// panelCompanyTools
//
panelCompanyTools.Controls.Add(buttonRefresh);
panelCompanyTools.Controls.Add(buttonGoToCheck);
panelCompanyTools.Controls.Add(buttonRemoveMilitaryAircraft);
panelCompanyTools.Controls.Add(buttonAddMilitaryAircraft);
panelCompanyTools.Controls.Add(buttonAddAirFighter);
panelCompanyTools.Controls.Add(maskedTextBoxPosition);
panelCompanyTools.Dock = DockStyle.Bottom;
panelCompanyTools.Enabled = false;
panelCompanyTools.Location = new Point(3, 357);
panelCompanyTools.Name = "panelCompanyTools";
panelCompanyTools.Size = new Size(200, 307);
panelCompanyTools.TabIndex = 10;
//
// FormMilitaryAircraftCollection // FormMilitaryAircraftCollection
// //
AutoScaleDimensions = new SizeF(8F, 20F); AutoScaleDimensions = new SizeF(8F, 20F);
AutoScaleMode = AutoScaleMode.Font; AutoScaleMode = AutoScaleMode.Font;
ClientSize = new Size(800, 450); ClientSize = new Size(950, 667);
Controls.Add(pictureBox); Controls.Add(pictureBox);
Controls.Add(groupBoxTools); Controls.Add(groupBoxTools);
Name = "FormMilitaryAircraftCollection"; Name = "FormMilitaryAircraftCollection";
Text = "Коллекция военных самолётов"; Text = "Коллекция военных самолётов";
groupBoxTools.ResumeLayout(false); groupBoxTools.ResumeLayout(false);
groupBoxTools.PerformLayout(); panelStorage.ResumeLayout(false);
panelStorage.PerformLayout();
((System.ComponentModel.ISupportInitialize)pictureBox).EndInit(); ((System.ComponentModel.ISupportInitialize)pictureBox).EndInit();
panelCompanyTools.ResumeLayout(false);
panelCompanyTools.PerformLayout();
ResumeLayout(false); ResumeLayout(false);
} }
@ -170,5 +289,15 @@
private Button buttonRefresh; private Button buttonRefresh;
private Button buttonGoToCheck; private Button buttonGoToCheck;
private Button buttonRemoveMilitaryAircraft; private Button buttonRemoveMilitaryAircraft;
private Panel panelStorage;
private TextBox textBoxCollectionName;
private RadioButton radioButtonMassive;
private RadioButton radioButtonList;
private Label labelCollectionName;
private Button buttonCollectionDel;
private ListBox listBoxCollection;
private Button buttonCollectionAdd;
private Button buttonCreateCompany;
private Panel panelCompanyTools;
} }
} }

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@ -5,6 +5,11 @@ namespace ProjectAirFighter;
public partial class FormMilitaryAircraftCollection : Form public partial class FormMilitaryAircraftCollection : Form
{ {
/// <summary>
/// Хранилише коллекций
/// </summary>
private readonly StorageCollection<DrawningMilitaryAircraft> _storageCollection;
/// <summary> /// <summary>
/// Компания /// Компания
/// </summary> /// </summary>
@ -16,6 +21,7 @@ public partial class FormMilitaryAircraftCollection : Form
public FormMilitaryAircraftCollection() public FormMilitaryAircraftCollection()
{ {
InitializeComponent(); InitializeComponent();
_storageCollection = new();
} }
/// <summary> /// <summary>
@ -25,12 +31,7 @@ public partial class FormMilitaryAircraftCollection : Form
/// <param name="e"></param> /// <param name="e"></param>
private void comboBoxSelectorCompany_SelectedIndexChanged(object sender, EventArgs e) private void comboBoxSelectorCompany_SelectedIndexChanged(object sender, EventArgs e)
{ {
switch (comboBoxSelectorCompany.Text) panelCompanyTools.Enabled = false;
{
case "Хранилище":
_company = new Angar(pictureBox.Width, pictureBox.Height, new MassiveGenericObjects<DrawningMilitaryAircraft>());
break;
}
} }
/// <summary> /// <summary>
@ -178,4 +179,81 @@ public partial class FormMilitaryAircraftCollection : Form
pictureBox.Image = _company.Show(); pictureBox.Image = _company.Show();
} }
private void buttonCollectionAdd_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(textBoxCollectionName.Text) || (!radioButtonList.Checked && !radioButtonMassive.Checked))
{
MessageBox.Show("Не все данные заполнены", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
CollectionType collectionType = CollectionType.None;
if (radioButtonMassive.Checked)
{
collectionType = CollectionType.Massive;
}
else if (radioButtonList.Checked)
{
collectionType = CollectionType.List;
}
_storageCollection.AddCollection(textBoxCollectionName.Text, collectionType);
RerfreshListBoxItems();
}
private void buttonCollectionDel_Click(object sender, EventArgs e)
{
if (listBoxCollection.SelectedItem == null)
{
MessageBox.Show("Коллекция не выбрана");
return;
}
if (MessageBox.Show("Удалить коллекцию?", "Удаление", MessageBoxButtons.YesNo, MessageBoxIcon.Question) != DialogResult.Yes)
{
return;
}
_storageCollection.DelCollection(listBoxCollection.SelectedItem.ToString());
RerfreshListBoxItems();
}
private void RerfreshListBoxItems()
{
listBoxCollection.Items.Clear();
for (int i = 0; i < _storageCollection.Keys?.Count; ++i)
{
string? colName = _storageCollection.Keys?[i];
if (!string.IsNullOrEmpty(colName))
{
listBoxCollection.Items.Add(colName);
}
}
}
private void buttonCreateCompany_Click(object sender, EventArgs e)
{
if (listBoxCollection.SelectedIndex < 0 || listBoxCollection.SelectedItem == null)
{
MessageBox.Show("Коллекция не выбрана");
return;
}
ICollectionGenericObjects<DrawningMilitaryAircraft>? collection = _storageCollection[listBoxCollection.SelectedItem.ToString() ?? string.Empty];
if (collection == null)
{
MessageBox.Show("Коллекция не проинициализирована");
return;
}
switch (comboBoxSelectorCompany.Text)
{
case "Хранилище":
_company = new Angar(pictureBox.Width, pictureBox.Height, collection);
break;
}
panelCompanyTools.Enabled = true;
RerfreshListBoxItems();
}
} }