diff --git a/WarmlyLocomotive/WarmlyLocomotive/CollectionGenericObjects/CollectionType.cs b/WarmlyLocomotive/WarmlyLocomotive/CollectionGenericObjects/CollectionType.cs
new file mode 100644
index 0000000..bc83857
--- /dev/null
+++ b/WarmlyLocomotive/WarmlyLocomotive/CollectionGenericObjects/CollectionType.cs
@@ -0,0 +1,22 @@
+namespace WarmlyLocomotive.CollectionGenericObjects;
+
+///
+/// Тип коллекции
+///
+public enum CollectionType
+{
+ ///
+ /// Неопределено
+ ///
+ None = 0,
+
+ ///
+ /// Массив
+ ///
+ Massive = 1,
+
+ ///
+ /// Список
+ ///
+ List = 2
+}
diff --git a/WarmlyLocomotive/WarmlyLocomotive/CollectionGenericObjects/ListGenericObjects.cs b/WarmlyLocomotive/WarmlyLocomotive/CollectionGenericObjects/ListGenericObjects.cs
new file mode 100644
index 0000000..dc38f21
--- /dev/null
+++ b/WarmlyLocomotive/WarmlyLocomotive/CollectionGenericObjects/ListGenericObjects.cs
@@ -0,0 +1,82 @@
+namespace WarmlyLocomotive.CollectionGenericObjects;
+
+///
+/// Параметризованный набор объектов
+///
+/// Параметр: ограничение - ссылочный тип
+public class ListGenericObjects : ICollectionGenericObjects
+ where T : class
+{
+ ///
+ /// Список объектов, которые храним
+ ///
+ private readonly List _collection;
+
+ ///
+ /// Максимально допустимое число объектов в списке
+ ///
+ private int _maxCount;
+
+ public int Count => _collection.Count;
+
+ public int SetMaxCount { set { if (value > 0) { _maxCount = value; } } }
+
+ ///
+ /// Конструктор
+ ///
+ public ListGenericObjects()
+ {
+ _collection = new();
+ }
+
+
+ public T? Get(int position)
+ {
+ // TODO проверка позиции
+ if (position >= Count || position < 0)
+ {
+ return null;
+ }
+ return _collection[position];
+ }
+
+ public int Insert(T obj)
+ {
+ // TODO проверка, что не превышено максимальное количество элементов
+ if (Count == _maxCount)
+ {
+ return -1;
+ }
+ // TODO вставка в конец набора
+ _collection.Add(obj);
+ return _collection.Count;
+ }
+ public int Insert(T obj, int position)
+ {
+ // TODO проверка, что не превышено максимальное количество элементов
+ if (Count == _maxCount)
+ {
+ return -1;
+ }
+ // TODO проверка позиции
+ if (position >= Count || position < 0)
+ {
+ return -1;
+ }
+ // TODO вставка по позиции
+ _collection.Insert(position, obj);
+ return position;
+ }
+ public T? Remove(int position)
+ {
+ // TODO проверка позиции
+ if (position >= Count || position < 0)
+ {
+ return null;
+ }
+ // TODO удаление объекта из списка
+ T? obj = _collection[position];
+ _collection.RemoveAt(position);
+ return obj;
+ }
+}
diff --git a/WarmlyLocomotive/WarmlyLocomotive/CollectionGenericObjects/StorageCollection.cs b/WarmlyLocomotive/WarmlyLocomotive/CollectionGenericObjects/StorageCollection.cs
new file mode 100644
index 0000000..97811ca
--- /dev/null
+++ b/WarmlyLocomotive/WarmlyLocomotive/CollectionGenericObjects/StorageCollection.cs
@@ -0,0 +1,83 @@
+namespace WarmlyLocomotive.CollectionGenericObjects;
+
+///
+/// Класс-хранилище коллекций
+///
+///
+public class StorageCollection
+ where T : class
+{
+ ///
+ /// Словарь (хранилище) с коллекциями
+ ///
+ readonly Dictionary> _storages;
+
+ ///
+ /// Возвращение списка названий коллекций
+ ///
+ public List Keys => _storages.Keys.ToList();
+
+ ///
+ /// Конструктор
+ ///
+ public StorageCollection()
+ {
+ _storages = new Dictionary>();
+ }
+
+ ///
+ /// Добавление коллекции в хранилище
+ ///
+ /// Название коллекции
+ /// тип коллекции
+ public void AddCollection(string name, CollectionType collectionType)
+ {
+ // TODO проверка, что name не пустой и нет в словаре записи с таким ключом
+ if (name == null || _storages.ContainsKey(name))
+ {
+ return;
+ }
+ // TODO Прописать логику для добавления
+ if (collectionType == CollectionType.List)
+ {
+ _storages.Add(name, new ListGenericObjects());
+ }
+ if (collectionType == CollectionType.Massive)
+ {
+ _storages.Add(name, new MassiveGenericObjects());
+ }
+ }
+
+ ///
+ /// Удаление коллекции
+ ///
+ /// Название коллекции
+ public void DelCollection(string name)
+ {
+ if (name == null || !_storages.ContainsKey(name))
+ {
+ return;
+ }
+ // TODO Прописать логику для удаления коллекции
+ _storages.Remove(name);
+ }
+
+ ///
+ /// Доступ к коллекции
+ ///
+ /// Название коллекции
+ ///
+ public ICollectionGenericObjects? this[string name]
+ {
+ get
+ {
+ // TODO Продумать логику получения объекта
+ if (_storages.ContainsKey(name))
+ {
+ return _storages[name];
+ }
+ return null;
+ }
+ }
+
+}
diff --git a/WarmlyLocomotive/WarmlyLocomotive/FormLocomotiveCollection.Designer.cs b/WarmlyLocomotive/WarmlyLocomotive/FormLocomotiveCollection.Designer.cs
index 893eb54..e02f33e 100644
--- a/WarmlyLocomotive/WarmlyLocomotive/FormLocomotiveCollection.Designer.cs
+++ b/WarmlyLocomotive/WarmlyLocomotive/FormLocomotiveCollection.Designer.cs
@@ -29,6 +29,15 @@
private void InitializeComponent()
{
groupBoxTools = new GroupBox();
+ buttonCreateCompany = new Button();
+ panelStorage = new Panel();
+ buttonCollectionDel = new Button();
+ listBoxCollection = new ListBox();
+ buttonCollectionAdd = new Button();
+ radioButtonList = new RadioButton();
+ radioButtonMassive = new RadioButton();
+ textBoxCollectionName = new TextBox();
+ labelCollectionName = new Label();
buttonRefresh = new Button();
buttonGoToCheck = new Button();
buttonRemoveLocomotive = new Button();
@@ -37,34 +46,125 @@
buttonAddLocomotive = new Button();
comboBoxSelectorCompany = new ComboBox();
pictureBox = new PictureBox();
+ panelCompanyTools = new Panel();
groupBoxTools.SuspendLayout();
+ panelStorage.SuspendLayout();
((System.ComponentModel.ISupportInitialize)pictureBox).BeginInit();
+ panelCompanyTools.SuspendLayout();
SuspendLayout();
//
// groupBoxTools
//
- groupBoxTools.Controls.Add(buttonRefresh);
- groupBoxTools.Controls.Add(buttonGoToCheck);
- groupBoxTools.Controls.Add(buttonRemoveLocomotive);
- groupBoxTools.Controls.Add(maskedTextBoxPosition);
- groupBoxTools.Controls.Add(buttonAddWarmlyLocomotive);
- groupBoxTools.Controls.Add(buttonAddLocomotive);
+ groupBoxTools.Controls.Add(panelCompanyTools);
+ groupBoxTools.Controls.Add(buttonCreateCompany);
+ groupBoxTools.Controls.Add(panelStorage);
groupBoxTools.Controls.Add(comboBoxSelectorCompany);
groupBoxTools.Dock = DockStyle.Right;
- groupBoxTools.Location = new Point(808, 0);
+ groupBoxTools.Location = new Point(821, 0);
groupBoxTools.Name = "groupBoxTools";
- groupBoxTools.Size = new Size(193, 527);
+ groupBoxTools.Size = new Size(193, 618);
groupBoxTools.TabIndex = 0;
groupBoxTools.TabStop = false;
groupBoxTools.Text = "Инструменты";
- groupBoxTools.Enter += groupBoxTools_Enter;
+ //
+ // buttonCreateCompany
+ //
+ buttonCreateCompany.Location = new Point(6, 309);
+ buttonCreateCompany.Name = "buttonCreateCompany";
+ buttonCreateCompany.Size = new Size(181, 29);
+ buttonCreateCompany.TabIndex = 8;
+ buttonCreateCompany.Text = "Создать компанию";
+ buttonCreateCompany.UseVisualStyleBackColor = true;
+ buttonCreateCompany.Click += ButtonCreateCompany_Click;
+ //
+ // panelStorage
+ //
+ panelStorage.Controls.Add(buttonCollectionDel);
+ panelStorage.Controls.Add(listBoxCollection);
+ panelStorage.Controls.Add(buttonCollectionAdd);
+ panelStorage.Controls.Add(radioButtonList);
+ panelStorage.Controls.Add(radioButtonMassive);
+ panelStorage.Controls.Add(textBoxCollectionName);
+ panelStorage.Controls.Add(labelCollectionName);
+ panelStorage.Dock = DockStyle.Top;
+ panelStorage.Location = new Point(3, 23);
+ panelStorage.Name = "panelStorage";
+ panelStorage.Size = new Size(187, 246);
+ panelStorage.TabIndex = 7;
+ //
+ // buttonCollectionDel
+ //
+ buttonCollectionDel.Location = new Point(3, 205);
+ buttonCollectionDel.Name = "buttonCollectionDel";
+ buttonCollectionDel.Size = new Size(181, 29);
+ buttonCollectionDel.TabIndex = 6;
+ buttonCollectionDel.Text = "Удалить коллекцию";
+ buttonCollectionDel.UseVisualStyleBackColor = true;
+ buttonCollectionDel.Click += ButtonCollectionDel_Click;
+ //
+ // listBoxCollection
+ //
+ listBoxCollection.FormattingEnabled = true;
+ listBoxCollection.ItemHeight = 20;
+ listBoxCollection.Location = new Point(6, 135);
+ listBoxCollection.Name = "listBoxCollection";
+ listBoxCollection.Size = new Size(172, 64);
+ listBoxCollection.TabIndex = 5;
+ //
+ // buttonCollectionAdd
+ //
+ buttonCollectionAdd.Location = new Point(3, 95);
+ buttonCollectionAdd.Name = "buttonCollectionAdd";
+ buttonCollectionAdd.Size = new Size(181, 29);
+ buttonCollectionAdd.TabIndex = 4;
+ buttonCollectionAdd.Text = "Добавить коллекцию";
+ buttonCollectionAdd.UseVisualStyleBackColor = true;
+ buttonCollectionAdd.Click += ButtonCollectionAdd_Click;
+ //
+ // radioButtonList
+ //
+ radioButtonList.AutoSize = true;
+ radioButtonList.Location = new Point(104, 66);
+ radioButtonList.Name = "radioButtonList";
+ radioButtonList.Size = new Size(80, 24);
+ radioButtonList.TabIndex = 3;
+ radioButtonList.TabStop = true;
+ radioButtonList.Text = "Список";
+ radioButtonList.UseVisualStyleBackColor = true;
+ //
+ // radioButtonMassive
+ //
+ radioButtonMassive.AutoSize = true;
+ radioButtonMassive.Location = new Point(3, 66);
+ radioButtonMassive.Name = "radioButtonMassive";
+ radioButtonMassive.Size = new Size(82, 24);
+ radioButtonMassive.TabIndex = 2;
+ radioButtonMassive.TabStop = true;
+ radioButtonMassive.Text = "Массив";
+ radioButtonMassive.UseVisualStyleBackColor = true;
+ //
+ // textBoxCollectionName
+ //
+ textBoxCollectionName.Location = new Point(3, 33);
+ textBoxCollectionName.Name = "textBoxCollectionName";
+ textBoxCollectionName.Size = new Size(181, 27);
+ textBoxCollectionName.TabIndex = 1;
+ //
+ // labelCollectionName
+ //
+ labelCollectionName.AutoSize = true;
+ labelCollectionName.Location = new Point(20, 10);
+ labelCollectionName.Name = "labelCollectionName";
+ labelCollectionName.Size = new Size(158, 20);
+ labelCollectionName.TabIndex = 0;
+ labelCollectionName.Text = "Название коллекции:";
//
// buttonRefresh
//
buttonRefresh.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
- buttonRefresh.Location = new Point(6, 440);
+ buttonRefresh.Location = new Point(6, 231);
buttonRefresh.Name = "buttonRefresh";
- buttonRefresh.Size = new Size(175, 48);
+ buttonRefresh.Size = new Size(172, 34);
buttonRefresh.TabIndex = 6;
buttonRefresh.Text = "Обновить";
buttonRefresh.UseVisualStyleBackColor = true;
@@ -73,9 +173,9 @@
// buttonGoToCheck
//
buttonGoToCheck.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
- buttonGoToCheck.Location = new Point(6, 348);
+ buttonGoToCheck.Location = new Point(6, 195);
buttonGoToCheck.Name = "buttonGoToCheck";
- buttonGoToCheck.Size = new Size(175, 48);
+ buttonGoToCheck.Size = new Size(172, 33);
buttonGoToCheck.TabIndex = 5;
buttonGoToCheck.Text = "Передать на тесты";
buttonGoToCheck.UseVisualStyleBackColor = true;
@@ -84,9 +184,9 @@
// buttonRemoveLocomotive
//
buttonRemoveLocomotive.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
- buttonRemoveLocomotive.Location = new Point(6, 294);
+ buttonRemoveLocomotive.Location = new Point(6, 144);
buttonRemoveLocomotive.Name = "buttonRemoveLocomotive";
- buttonRemoveLocomotive.Size = new Size(175, 48);
+ buttonRemoveLocomotive.Size = new Size(172, 48);
buttonRemoveLocomotive.TabIndex = 4;
buttonRemoveLocomotive.Text = "Удалить локомотив";
buttonRemoveLocomotive.UseVisualStyleBackColor = true;
@@ -94,20 +194,19 @@
//
// maskedTextBoxPosition
//
- maskedTextBoxPosition.Location = new Point(6, 234);
+ maskedTextBoxPosition.Location = new Point(6, 111);
maskedTextBoxPosition.Mask = "00";
maskedTextBoxPosition.Name = "maskedTextBoxPosition";
maskedTextBoxPosition.Size = new Size(175, 27);
maskedTextBoxPosition.TabIndex = 3;
maskedTextBoxPosition.ValidatingType = typeof(int);
- maskedTextBoxPosition.MaskInputRejected += maskedTextBoxPosition_MaskInputRejected;
//
// buttonAddWarmlyLocomotive
//
buttonAddWarmlyLocomotive.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
- buttonAddWarmlyLocomotive.Location = new Point(6, 142);
+ buttonAddWarmlyLocomotive.Location = new Point(6, 57);
buttonAddWarmlyLocomotive.Name = "buttonAddWarmlyLocomotive";
- buttonAddWarmlyLocomotive.Size = new Size(175, 48);
+ buttonAddWarmlyLocomotive.Size = new Size(172, 48);
buttonAddWarmlyLocomotive.TabIndex = 2;
buttonAddWarmlyLocomotive.Text = "Добавление локомотива";
buttonAddWarmlyLocomotive.UseVisualStyleBackColor = true;
@@ -116,9 +215,9 @@
// buttonAddLocomotive
//
buttonAddLocomotive.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
- buttonAddLocomotive.Location = new Point(6, 88);
+ buttonAddLocomotive.Location = new Point(6, 3);
buttonAddLocomotive.Name = "buttonAddLocomotive";
- buttonAddLocomotive.Size = new Size(175, 48);
+ buttonAddLocomotive.Size = new Size(172, 48);
buttonAddLocomotive.TabIndex = 1;
buttonAddLocomotive.Text = "Добавление тепловоза";
buttonAddLocomotive.UseVisualStyleBackColor = true;
@@ -130,7 +229,7 @@
comboBoxSelectorCompany.DropDownStyle = ComboBoxStyle.DropDownList;
comboBoxSelectorCompany.FormattingEnabled = true;
comboBoxSelectorCompany.Items.AddRange(new object[] { "Депо" });
- comboBoxSelectorCompany.Location = new Point(6, 26);
+ comboBoxSelectorCompany.Location = new Point(6, 275);
comboBoxSelectorCompany.Name = "comboBoxSelectorCompany";
comboBoxSelectorCompany.Size = new Size(175, 28);
comboBoxSelectorCompany.TabIndex = 0;
@@ -141,24 +240,40 @@
pictureBox.Dock = DockStyle.Fill;
pictureBox.Location = new Point(0, 0);
pictureBox.Name = "pictureBox";
- pictureBox.Size = new Size(808, 527);
+ pictureBox.Size = new Size(821, 618);
pictureBox.TabIndex = 1;
pictureBox.TabStop = false;
- pictureBox.Click += pictureBox_Click;
+ //
+ // panelCompanyTools
+ //
+ panelCompanyTools.Controls.Add(buttonAddLocomotive);
+ panelCompanyTools.Controls.Add(buttonAddWarmlyLocomotive);
+ panelCompanyTools.Controls.Add(maskedTextBoxPosition);
+ panelCompanyTools.Controls.Add(buttonRefresh);
+ panelCompanyTools.Controls.Add(buttonRemoveLocomotive);
+ panelCompanyTools.Controls.Add(buttonGoToCheck);
+ panelCompanyTools.Dock = DockStyle.Bottom;
+ panelCompanyTools.Enabled = false;
+ panelCompanyTools.Location = new Point(3, 347);
+ panelCompanyTools.Name = "panelCompanyTools";
+ panelCompanyTools.Size = new Size(187, 268);
+ panelCompanyTools.TabIndex = 9;
//
// FormLocomotiveCollection
//
AutoScaleDimensions = new SizeF(8F, 20F);
AutoScaleMode = AutoScaleMode.Font;
- ClientSize = new Size(1001, 527);
+ ClientSize = new Size(1014, 618);
Controls.Add(pictureBox);
Controls.Add(groupBoxTools);
Name = "FormLocomotiveCollection";
Text = "Коллекция локомотивов";
- Load += FormLocomotiveCollection_Load;
groupBoxTools.ResumeLayout(false);
- groupBoxTools.PerformLayout();
+ panelStorage.ResumeLayout(false);
+ panelStorage.PerformLayout();
((System.ComponentModel.ISupportInitialize)pictureBox).EndInit();
+ panelCompanyTools.ResumeLayout(false);
+ panelCompanyTools.PerformLayout();
ResumeLayout(false);
}
@@ -173,5 +288,15 @@
private Button buttonGoToCheck;
private Button buttonRemoveLocomotive;
private MaskedTextBox maskedTextBoxPosition;
+ private Panel panelStorage;
+ private TextBox textBoxCollectionName;
+ private Label labelCollectionName;
+ private RadioButton radioButtonList;
+ private RadioButton radioButtonMassive;
+ private Button buttonCollectionAdd;
+ private Button buttonCollectionDel;
+ private ListBox listBoxCollection;
+ private Button buttonCreateCompany;
+ private Panel panelCompanyTools;
}
}
\ No newline at end of file
diff --git a/WarmlyLocomotive/WarmlyLocomotive/FormLocomotiveCollection.cs b/WarmlyLocomotive/WarmlyLocomotive/FormLocomotiveCollection.cs
index c30e711..bac166c 100644
--- a/WarmlyLocomotive/WarmlyLocomotive/FormLocomotiveCollection.cs
+++ b/WarmlyLocomotive/WarmlyLocomotive/FormLocomotiveCollection.cs
@@ -8,6 +8,11 @@ namespace WarmlyLocomotive;
///
public partial class FormLocomotiveCollection : Form
{
+ ///
+ /// Хранилише коллекций
+ ///
+ private readonly StorageCollection _storageCollection;
+
///
/// Компания
///
@@ -19,6 +24,7 @@ public partial class FormLocomotiveCollection : Form
public FormLocomotiveCollection()
{
InitializeComponent();
+ _storageCollection = new();
}
///
@@ -28,12 +34,7 @@ public partial class FormLocomotiveCollection : Form
///
private void ComboBoxSelectorCompany_SelectedIndexChanged(object sender, EventArgs e)
{
- switch (comboBoxSelectorCompany.Text)
- {
- case "Депо":
- _company = new LocomotiveSharingService(pictureBox.Width, pictureBox.Height, new MassiveGenericObjects());
- break;
- }
+ panelCompanyTools.Enabled = false;
}
///
@@ -89,22 +90,6 @@ public partial class FormLocomotiveCollection : Form
return color;
}
-
- private void pictureBox_Click(object sender, EventArgs e)
- {
-
- }
-
- private void FormLocomotiveCollection_Load(object sender, EventArgs e)
- {
-
- }
-
- private void groupBoxTools_Enter(object sender, EventArgs e)
- {
-
- }
-
private void ButtonAddWarmlyLocomotive_Click(object sender, EventArgs e) => CreateObject(nameof(DrawningWarmlyLocomotive));
private void ButtonAddLocomotive_Click(object sender, EventArgs e) => CreateObject(nameof(DrawningLocomotive));
@@ -180,8 +165,99 @@ public partial class FormLocomotiveCollection : Form
pictureBox.Image = _company.Show();
}
- private void maskedTextBoxPosition_MaskInputRejected(object sender, MaskInputRejectedEventArgs e)
+
+ ///
+ /// Добавление коллекции
+ ///
+ ///
+ ///
+ 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();
+ }
+
+ ///
+ /// Удаление коллекции
+ ///
+ ///
+ ///
+ private void ButtonCollectionDel_Click(object sender, EventArgs e)
+ {
+ // TODO прописать логику удаления элемента из коллекции
+ // нужно убедиться, что есть выбранная коллекция
+ // спросить у пользователя через MessageBox, что он подтверждает, что хочет удалить запись
+ // удалить и обновить ListBox
+ if (!radioButtonList.Checked && !radioButtonMassive.Checked || string.IsNullOrEmpty(textBoxCollectionName.Text))
+ {
+ return;
+ }
+
+ ICollectionGenericObjects? collection = _storageCollection[listBoxCollection.SelectedItem.ToString() ?? string.Empty];
+ if (MessageBox.Show("Удалить объект?", "Удаление", MessageBoxButtons.YesNo, MessageBoxIcon.Question) != DialogResult.Yes)
+ {
+ return;
+ }
+ _storageCollection.DelCollection(listBoxCollection.SelectedItem.ToString());
+ RerfreshListBoxItems();
+ }
+
+ ///
+ /// Создание компании
+ ///
+ ///
+ ///
+ private void ButtonCreateCompany_Click(object sender, EventArgs e)
+ {
+ if (listBoxCollection.SelectedIndex < 0 || listBoxCollection.SelectedItem == null)
+ {
+ MessageBox.Show("Коллекция не выбрана");
+ return;
+ }
+ ICollectionGenericObjects? collection = _storageCollection[listBoxCollection.SelectedItem.ToString() ?? string.Empty];
+ if (collection == null)
+ {
+ MessageBox.Show("Коллекция не проинициализирована");
+ return;
+ }
+ switch (comboBoxSelectorCompany.Text)
+ {
+ case "Депо":
+ _company = new LocomotiveSharingService(pictureBox.Width, pictureBox.Height, collection);
+ break;
+ }
+ panelCompanyTools.Enabled = true;
+ RerfreshListBoxItems();
+ }
+
+ ///
+ /// Обновление списка в listBoxCollection
+ ///
+ 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);
+ }
+ }
}
}