lab2_fix #1
@ -7,7 +7,7 @@
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<ImplicitUsings>enable</ImplicitUsings>
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<GeneratePackageOnBuild>True</GeneratePackageOnBuild>
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<Authors>ns.potapov</Authors>
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<VersionPrefix>1.0.2</VersionPrefix>
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<VersionPrefix>1.0.3</VersionPrefix>
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<Version>$(VersionPrefix)</Version>
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</PropertyGroup>
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@ -2,6 +2,8 @@
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{
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public partial class UserControlCheckedList : UserControl
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{
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private List<int> _lastCheckedIndexes = new List<int>();
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public int MaxCheckedItemsCount { get; set; } = 1;
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private EventHandler _onCheckedItemChangedEvent;
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public event EventHandler CheckedItemChanged
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{
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@ -43,16 +45,24 @@
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public void ClearCheckedListBoxValues()
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{
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checkedListBox.Items.Clear();
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_lastCheckedIndexes.Clear();
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}
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private void checkedListBox_ItemCheck(object sender, ItemCheckEventArgs e)
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{
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for (int i = 0; i < checkedListBox.Items.Count; i++)
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if (e.NewValue == CheckState.Checked)
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{
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if (i != e.Index)
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_lastCheckedIndexes.Add(e.Index);
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while (_lastCheckedIndexes.Count > MaxCheckedItemsCount)
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{
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checkedListBox.SetItemChecked(i, false);
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checkedListBox.SetItemCheckState(_lastCheckedIndexes[0], CheckState.Unchecked);
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}
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}
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else if (e.NewValue == CheckState.Unchecked)
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{
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_lastCheckedIndexes.Remove(e.Index);
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}
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_onCheckedItemChangedEvent?.Invoke(sender, e);
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}
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}
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