A New Skin for Ye Olde GroupBox

Creating a custom GroupBox in WinForms that supports skinning-Introduction



When applying a dark skin theme to my Windows Forms application which used a GroupBox

But as soon as I wanted to set the GroupBox.Enabled property to false, things did not look that good anymore.



As can be seen in the screendump, the standard GroupBox on the right automatically chooses a black color for the disabled state:

Background

SkinSettings Class



The skin themes are in a separate class SkinSettings, to keep the example small, it only has a few settings.



It also has a ColorDisabled() method for calculating the custom disabled Color.

Hide　 Shrink　 Copy Code



using System

using System.Drawing



namespace CustomControls1

{

　　/// <summary>

　　/// A simple SkinSettings class.

　　/// This could be extended to support more control colors.

　　/// </summary>

　　public static class SkinSettings

　　{

　　　　public static Color FormBackColor { get　set　}

　　　　public static Color FormForeColor { get　set　}

　　　　public s