71 lines
1.8 KiB
C#
71 lines
1.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace Components
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{
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public partial class UserControlStringsListBox : UserControl
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{
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private event EventHandler? _listChanged;
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private event Action? _errorOccured;
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public string Error { get; private set; }
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public string ListElement
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{
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get
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{
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return listBoxStrings.SelectedItem?.ToString();
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}
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set
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{
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if (listBoxStrings.Items.Contains(value))
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{
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listBoxStrings.SelectedItem = value;
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}
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}
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}
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public event EventHandler ListChanged
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{
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add { _listChanged += value; }
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remove { _listChanged -= value; }
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}
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public event Action AnErrorOccurred
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{
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add { _errorOccured += value; }
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remove { _errorOccured -= value; }
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}
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public UserControlStringsListBox()
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{
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InitializeComponent();
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Error = string.Empty;
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}
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public void AddList(List<string> l)
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{
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try
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{
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listBoxStrings.Items.AddRange(l.ToArray());
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}
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catch (Exception ex)
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{
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Error = ex.Message;
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_errorOccured?.Invoke();
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}
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}
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public void ClearList()
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{
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listBoxStrings.Items.Clear();
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}
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private void listBoxStrings_SelectedValueChanged(object sender, EventArgs e)
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{
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_listChanged?.Invoke(sender, e);
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}
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}
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}
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