MultiSelect

public class MultiSelect : Control

 using cAlgo.API;
 namespace cAlgo.Robots
 {
     [Robot(AccessRights = AccessRights.None, AddIndicators = true)]
     public class MultiSelectTest : Robot
     {
         private MultiSelect _multiSelect;
         [Parameter(DefaultValue = false)]
         public bool Styled { get; set; }
         protected override void OnStart()
         {
             _multiSelect = new MultiSelect();
             if (Styled)
             {
                 _multiSelect.BackgroundColor = Color.Red;
                 _multiSelect.FontWeight = FontWeight.UltraBold;
                 _multiSelect.ForegroundColor = Color.Yellow;
                 _multiSelect.FontSize = 40;
                 _multiSelect.FontFamily = "Comic Sans MS";
             }
             for (var i = 0; i < 10; i++)
             {
                 _multiSelect.AddItem($"Item {i}");
             }
             _multiSelect.SelectedItemsChanged += args => Print($"OnSelectedItemsChanged: {string.Join(", ", _multiSelect.SelectedItems)}");
             var addItemTextBox = new TextBox();
             var addItemButton = new Button() { Text = "Add Item" };
             addItemButton.Click += args =>
             {
                 if (string.IsNullOrWhiteSpace(addItemTextBox.Text))
                     return;
                 Print($"Add Result of {addItemTextBox.Text}: {_multiSelect.AddItem(addItemTextBox.Text)}");
             };
             var removeItemTextBox = new TextBox();
             var removeItemButton = new Button() { Text = "Remove Item" };
             removeItemButton.Click += args =>
             {
                 if (string.IsNullOrWhiteSpace(removeItemTextBox.Text))
                     return;
                 Print($"Remove Result of {removeItemTextBox.Text}: {_multiSelect.RemoveItem(removeItemTextBox.Text)}");
             };
             var selectItemTextBox = new TextBox();
             var selectItemButton = new Button() { Text = "Select Item" };
             selectItemButton.Click += args =>
             {
                 if (string.IsNullOrWhiteSpace(selectItemTextBox.Text))
                     return;
                 Print($"Select Result of {selectItemTextBox.Text}: {_multiSelect.SelectItem(selectItemTextBox.Text)}");
             };
             var unselectItemTextBox = new TextBox();
             var unselectItemButton = new Button() { Text = "Unselect Item" };
             unselectItemButton.Click += args =>
             {
                 if (string.IsNullOrWhiteSpace(unselectItemTextBox.Text))
                     return;
                 Print($"Unselect Result of {unselectItemTextBox.Text}: {_multiSelect.UnselectItem(unselectItemTextBox.Text)}");
             };
             var selectAllItemsButton = new Button() { Text = "Select All Items" };
             selectAllItemsButton.Click += args =>
             {
                 _multiSelect.SelectAllItems();
             };
             var unselectAllItemsButton = new Button() { Text = "Unselect All Items" };
             unselectAllItemsButton.Click += args =>
             {
                 _multiSelect.UnselectAllItems();
             };
             var showItemsButton = new Button() { Text = "Show Items" };
             showItemsButton.Click += args => Print($"Items: {string.Join(", ", _multiSelect.Items)}");
             var showSelectedItemsButton = new Button() { Text = "Show Selected Items" };
             showSelectedItemsButton.Click += args => Print($"Selected Items: {string.Join(", ", _multiSelect.SelectedItems)}");
             var panel = new StackPanel() { Orientation = Orientation.Vertical, HorizontalAlignment = HorizontalAlignment.Center, VerticalAlignment = VerticalAlignment.Center };
             panel.AddChild(_multiSelect);
             panel.AddChild(addItemTextBox);
             panel.AddChild(addItemButton);
             panel.AddChild(removeItemTextBox);
             panel.AddChild(removeItemButton);
             panel.AddChild(selectItemTextBox);
             panel.AddChild(selectItemButton);
             panel.AddChild(unselectItemTextBox);
             panel.AddChild(unselectItemButton);
             panel.AddChild(selectAllItemsButton);
             panel.AddChild(unselectAllItemsButton);
             panel.AddChild(showItemsButton);
             panel.AddChild(showSelectedItemsButton);
             Chart.AddControl(panel);
         }
     }
 }

public bool SelectItem(string item)

public bool UnselectItem(string item)

public void SelectItems(IEnumerable<string> items)

public void UnselectItems(IEnumerable<string> items)

public void SelectAllItems()

public void UnselectAllItems()

public bool AddItem(string item)

public bool RemoveItem(string item)

internal void RaiseSelectionItemsChanged(IEnumerable<string> selectedItems)

internal void Accept(IChartControlVisitor visitor)

public IReadonlyList<string> Items {get;}

public IReadonlyList<string> SelectedItems {get;}

public event Action<MultiSelectSelectedItemsChangedEventArgs> SelectedItemsChanged;