diff --git a/CheckedListBoxLibrary/testComponent.Designer.cs b/CheckedListBoxLibrary/Components/testComponent.Designer.cs
similarity index 100%
rename from CheckedListBoxLibrary/testComponent.Designer.cs
rename to CheckedListBoxLibrary/Components/testComponent.Designer.cs
diff --git a/CheckedListBoxLibrary/Components/testComponent.cs b/CheckedListBoxLibrary/Components/testComponent.cs
new file mode 100644
index 0000000..caa8b4e
--- /dev/null
+++ b/CheckedListBoxLibrary/Components/testComponent.cs
@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MyUserControls.Components
+{
+    public partial class testComponent : Component
+    {
+        public testComponent()
+        {
+            InitializeComponent();
+        }
+
+        public testComponent(IContainer container)
+        {
+            container.Add(this);
+
+            InitializeComponent();
+        }
+    }
+}
diff --git a/CheckedListBoxLibrary/HierarchicalTreeView.Designer.cs b/CheckedListBoxLibrary/VisualComponents/HierarchicalTreeView.Designer.cs
similarity index 100%
rename from CheckedListBoxLibrary/HierarchicalTreeView.Designer.cs
rename to CheckedListBoxLibrary/VisualComponents/HierarchicalTreeView.Designer.cs
diff --git a/CheckedListBoxLibrary/HierarchicalTreeView.cs b/CheckedListBoxLibrary/VisualComponents/HierarchicalTreeView.cs
similarity index 100%
rename from CheckedListBoxLibrary/HierarchicalTreeView.cs
rename to CheckedListBoxLibrary/VisualComponents/HierarchicalTreeView.cs
diff --git a/CheckedListBoxLibrary/HierarchicalTreeView.resx b/CheckedListBoxLibrary/VisualComponents/HierarchicalTreeView.resx
similarity index 100%
rename from CheckedListBoxLibrary/HierarchicalTreeView.resx
rename to CheckedListBoxLibrary/VisualComponents/HierarchicalTreeView.resx
diff --git a/CheckedListBoxLibrary/SmartCheckedListBox.Designer.cs b/CheckedListBoxLibrary/VisualComponents/SmartCheckedListBox.Designer.cs
similarity index 100%
rename from CheckedListBoxLibrary/SmartCheckedListBox.Designer.cs
rename to CheckedListBoxLibrary/VisualComponents/SmartCheckedListBox.Designer.cs
diff --git a/CheckedListBoxLibrary/SmartCheckedListBox.cs b/CheckedListBoxLibrary/VisualComponents/SmartCheckedListBox.cs
similarity index 100%
rename from CheckedListBoxLibrary/SmartCheckedListBox.cs
rename to CheckedListBoxLibrary/VisualComponents/SmartCheckedListBox.cs
diff --git a/CheckedListBoxLibrary/SmartCheckedListBox.resx b/CheckedListBoxLibrary/VisualComponents/SmartCheckedListBox.resx
similarity index 100%
rename from CheckedListBoxLibrary/SmartCheckedListBox.resx
rename to CheckedListBoxLibrary/VisualComponents/SmartCheckedListBox.resx
diff --git a/CheckedListBoxLibrary/SmartTextBox.Designer.cs b/CheckedListBoxLibrary/VisualComponents/SmartTextBox.Designer.cs
similarity index 100%
rename from CheckedListBoxLibrary/SmartTextBox.Designer.cs
rename to CheckedListBoxLibrary/VisualComponents/SmartTextBox.Designer.cs
diff --git a/CheckedListBoxLibrary/SmartTextBox.cs b/CheckedListBoxLibrary/VisualComponents/SmartTextBox.cs
similarity index 100%
rename from CheckedListBoxLibrary/SmartTextBox.cs
rename to CheckedListBoxLibrary/VisualComponents/SmartTextBox.cs
diff --git a/CheckedListBoxLibrary/SmartTextBox.resx b/CheckedListBoxLibrary/VisualComponents/SmartTextBox.resx
similarity index 100%
rename from CheckedListBoxLibrary/SmartTextBox.resx
rename to CheckedListBoxLibrary/VisualComponents/SmartTextBox.resx
diff --git a/CheckedListBoxLibrary/ValueOutOfRangeException.cs b/CheckedListBoxLibrary/VisualComponents/ValueOutOfRangeException.cs
similarity index 86%
rename from CheckedListBoxLibrary/ValueOutOfRangeException.cs
rename to CheckedListBoxLibrary/VisualComponents/ValueOutOfRangeException.cs
index c40b9ab..ad41c4e 100644
--- a/CheckedListBoxLibrary/ValueOutOfRangeException.cs
+++ b/CheckedListBoxLibrary/VisualComponents/ValueOutOfRangeException.cs
@@ -4,7 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace MyUserControls
+namespace MyUserControls.VisualComponents
 {
     public class ValueOutOfRangeException : Exception
     {
diff --git a/CheckedListBoxLibrary/testComponent.cs b/CheckedListBoxLibrary/testComponent.cs
deleted file mode 100644
index b3965bc..0000000
--- a/CheckedListBoxLibrary/testComponent.cs
+++ /dev/null
@@ -1,65 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Diagnostics;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace MyUserControls.Components
-{
-    public partial class testComponent : Component
-    {
-        public testComponent()
-        {
-            InitializeComponent();
-            _fileName = string.Empty;
-        }
-
-        public testComponent(IContainer container)
-        {
-            container.Add(this);
-            InitializeComponent();
-            _fileName = string.Empty;
-        }
-
-        private string _fileName;
-        public string FileName
-        {
-            set
-            {
-                if (string.IsNullOrEmpty(value))
-            {
-                    return;
-                }
-                if (!value.EndsWith(".txt"))
-                {
-                    throw new ArgumentException("No txt file");
-                }
-                _fileName = value;
-            }
-        }
-        public bool SaveToFile(string[] texts)
-        {
-            CheckFileExsists();
-            using var writer = new StreamWriter(_fileName, true);
-            foreach (var text in texts)
-            {
-                writer.WriteLine(text);
-            }
-            writer.Flush();
-            return true;
-        }
-        private void CheckFileExsists()
-        {
-            if (string.IsNullOrEmpty(_fileName))
-            {
-                throw new ArgumentNullException(_fileName);
-            }
-            if (!File.Exists(_fileName))
-            {
-                throw new FileNotFoundException(_fileName);
-            }
-        }
-    }
-}