Component-oriented-programming/ComponentLibrary1/check_list/CheckList.cs

64 lines
1.1 KiB
C#
Raw Permalink Normal View History

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace ComponentLibrary1
{
public partial class CheckList : UserControl
{
private event EventHandler? _сhangeEvent;
public event EventHandler ChangeEvent
{
add
{
_сhangeEvent += value;
}
remove
{
_сhangeEvent -= value;
}
}
public string SelectedItem
{
get
{
return checkedListBox.SelectedItem?.ToString() ?? string.Empty;
}
set
{
checkedListBox.SelectedIndex = checkedListBox.Items.IndexOf(value);
}
}
public CheckList()
{
InitializeComponent();
}
public void Input(string input)
{
if (string.IsNullOrEmpty(input))
throw new ArgumentNullException("input");
checkedListBox.Items.Add(input);
}
public void Clear()
{
checkedListBox.Items.Clear();
}
private void checkedListBox_SelectedIndexChanged(object sender, EventArgs e)
{
_сhangeEvent?.Invoke(this, e);
}
}
}