70 lines
1.5 KiB
C#
70 lines
1.5 KiB
C#
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namespace CustomsComponentsVar2;
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public partial class CustomCheckedListBox : UserControl
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{
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private event EventHandler? _selectedChanged;
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public CustomCheckedListBox()
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{
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InitializeComponent();
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}
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public string SelectedElement
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{
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get
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{
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if (checkedListBox.Items.Count == 0 || checkedListBox.Items == null)
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{
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return String.Empty;
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}
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return checkedListBox.Items.ToString();
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}
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set
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{
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if (checkedListBox.Items.Contains(value))
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{
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checkedListBox.SelectedItem = value;
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}
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}
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}
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/// <summary>
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/// Добавить элементы
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/// </summary>
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/// <param name="s"></param>
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public void addElements(List<string> s)
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{
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checkedListBox.Items.Clear();
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checkedListBox.Items.AddRange(s.ToArray());
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}
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/// <summary>
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/// Выбран элемент
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void onItemCheck(object sender, ItemCheckEventArgs e)
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{
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_selectedChanged?.Invoke(this, EventArgs.Empty);
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}
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/// <summary>
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/// Изменение индекса выбранного элемента
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void checkedListBox_SelectedIndexChanged(object sender, EventArgs e)
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{
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if (checkedListBox.CheckedItems.Count > 1)
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{
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foreach (int index in checkedListBox.CheckedIndices)
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{
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if (index != checkedListBox.SelectedIndex)
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{
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checkedListBox.SetItemChecked(index, false);
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}
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}
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}
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_selectedChanged?.Invoke(sender, e);
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}
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}
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