C#

public partial class CustomControl1 : System.Windows.Forms.GroupBox
    {
        public CustomControl1()
        {
            InitializeComponent();
        }

        protected override void OnPaint(PaintEventArgs pe)
        {
            base.OnPaint(pe);
        }

        protected override void OnEnabledChanged(EventArgs e)
        {
            if (this.Enabled)
            {
                // Do whatever here
            }
            else
            {
                // Do whatever here
            }

            foreach (Control c in this.Controls)
                c.Enabled = this.Enabled;

            base.Refresh();
        }
    }

private void button1_Click(object sender, EventArgs e)
        {
            customControl11.Enabled = true;
            groupBox1.Enabled = true;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            customControl11.Enabled = false;
            groupBox1.Enabled = false;
        }

protected override void OnEnabledChanged(EventArgs e)
{
    if (this.Enabled)
        this.ColorScheme = EnmColorScheme.Purple;
    else
        this.ColorScheme = EnmColorScheme.Green;
    base.OnEnabledChanged(e);
}

ColorScheme = Enabled ? EnmColorScheme.Purple : EnmColorScheme.Green;
base.OnEnabledChanged(e);

namespace StreamTest
{
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());
        }
    }
}

WubbleU wrote:

I put my lines of code right at the beginning of the main() method and that doesn't work.

static void Main()
{
    Application.EnableVisualStyles();
    Application.SetCompatibleTextRenderingDefault(false);
    Application.Run(new RotaForm());
}

[
    System.Runtime.InteropServices.DllImportAttribute
    (
        "Kernel32"
    ,
        SetLastError=true
    ,
        EntryPoint="FreeConsole"
    )
]
private static extern bool
API_FreeConsole() ;

/**
<summary>
    Uses pinvoke to call the Windows FreeConsole method
</summary>
<returns>
    The result of FreeConsole
</returns>
*/
public static bool
FreeConsole
(
)
{
    return ( API_FreeConsole() ) ;
}

StringBuilder str = new StringBuilder(40);