check point

framework/MaterialSkin.Core/Controls/MaterialPanel.cs

@@ -0,0 +1,16 @@
+using System.ComponentModel;
+using System.Windows.Forms;
+
+namespace MaterialSkin.Controls
+{
+    public class MaterialPanel:Panel
+    {
+        [Browsable(false)]
+        public MaterialSkinManager SkinManager => MaterialSkinManager.Instance;
+        protected override void OnPaint(PaintEventArgs e)
+        {
+            
+            e.Graphics.Clear(SkinManager.GetApplicationBackgroundColor());
+        }
+    }
+}