fix

WinFormSolution/Components/Components.csproj

@@ -7,7 +7,7 @@
 		<ImplicitUsings>enable</ImplicitUsings>
 		<GeneratePackageOnBuild>True</GeneratePackageOnBuild>
 		<Authors>ns.potapov</Authors>
-		<VersionPrefix>1.0.4</VersionPrefix>
+		<VersionPrefix>1.0.5</VersionPrefix>
 		<Version>$(VersionPrefix)</Version>
 	</PropertyGroup>
 

WinFormSolution/Components/UserControlCheckedList.cs

@@ -2,10 +2,23 @@
 
 namespace Components
 {
+    public enum Types : int
+    {
+        Exception = 0,
+        DeleteFirst = 1,
+
+    }
+
+
     public partial class UserControlCheckedList : UserControl
     {
         public int MaxCheckedItemsCount { get; set; } = 1;
+        private Types typeOfMaxChecked = Types.DeleteFirst;
         private EventHandler _onCheckedItemChangedEvent;
+        public void ChangeTypeOfMaxChecked(Types type)
+        {
+            typeOfMaxChecked = type;
+        }
         public event EventHandler CheckedItemChanged
         {
             add
@@ -31,6 +44,25 @@ namespace Components
                 }
             }
         }
+        public List<string> CheckedItems
+        {
+            get
+            {
+                List<string> list = new List<string>();
+                foreach(var item in checkedListBox.CheckedItems )
+                {
+                    list.Add(item.ToString());
+                }    
+                return list;
+            }
+            set
+            {
+                if (checkedListBox.Items.Contains(value))
+                {
+                    checkedListBox.SetItemCheckState(checkedListBox.Items.IndexOf(value), CheckState.Checked);
+                }
+            }
+        }
         public UserControlCheckedList()
         {
             InitializeComponent();
@@ -51,8 +83,16 @@ namespace Components
         {
             if (checkedListBox.CheckedItems.Count > MaxCheckedItemsCount)
             {
-                checkedListBox.SetItemChecked(e.Index, false);
-                throw new MaxCheckedItemsCountExceedException("Превышено максимальное число выбранных элементов");
+                if (typeOfMaxChecked == Types.Exception)
+                {
+                    checkedListBox.SetItemChecked(e.Index, false);
+                    throw new MaxCheckedItemsCountExceedException("Превышено максимальное число выбранных элементов");
+                }
+                else if (typeOfMaxChecked == Types.DeleteFirst)
+                {
+                    checkedListBox.SetItemChecked(0, false);
+                }
+                
             }
             _onCheckedItemChangedEvent?.Invoke(sender, e);
         }