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