Merge pull request 'lab2_fix' (#2) from lab2_fix into lab2

Reviewed-on: #2

WinFormSolution/Components/Components.csproj

@@ -7,7 +7,7 @@
 		<ImplicitUsings>enable</ImplicitUsings>
 		<GeneratePackageOnBuild>True</GeneratePackageOnBuild>
 		<Authors>ns.potapov</Authors>
-		<VersionPrefix>1.0.2</VersionPrefix>
+		<VersionPrefix>1.0.4</VersionPrefix>
 		<Version>$(VersionPrefix)</Version>
 	</PropertyGroup>
 

WinFormSolution/Components/Exceptions/MaxCheckedItemsCountExceedException.cs

@@ -0,0 +1,13 @@
+namespace Components.Exceptions
+{
+    internal class MaxCheckedItemsCountExceedException : Exception
+    {
+        public MaxCheckedItemsCountExceedException()
+        {
+        }
+
+        public MaxCheckedItemsCountExceedException(string? message) : base(message)
+        {
+        }
+    }
+}

WinFormSolution/Components/UserControlCheckedList.cs

@@ -1,7 +1,10 @@
-namespace Components
+using Components.Exceptions;
+
+namespace Components
 {
     public partial class UserControlCheckedList : UserControl
     {
+        public int MaxCheckedItemsCount { get; set; } = 1;
         private EventHandler _onCheckedItemChangedEvent;
         public event EventHandler CheckedItemChanged
         {
@@ -46,12 +49,10 @@
         }
         private void checkedListBox_ItemCheck(object sender, ItemCheckEventArgs e)
         {
-            for (int i = 0; i < checkedListBox.Items.Count; i++)
+            if (checkedListBox.CheckedItems.Count > MaxCheckedItemsCount)
             {
-                if (i != e.Index)
-                {
-                    checkedListBox.SetItemChecked(i, false);
-                }
+                checkedListBox.SetItemChecked(e.Index, false);
+                throw new MaxCheckedItemsCountExceedException("Превышено максимальное число выбранных элементов");
             }
             _onCheckedItemChangedEvent?.Invoke(sender, e);
         }