OnActivated is not getting called in Tabbed documents

[F5F5F5]

Hi,
I am using a RadDock control with AutoDetectMDIChildren set to true. I have been given forms to be hosted as tabbed documents. I do this by setting the forms' MdiParent property to the main form and then calling their Show methods. These forms override the Form.OnActivated method. This method is never called.

Here is a simplified example:

    public partial class MdiChild : Form
    {
        public MdiChild()
        {
            InitializeComponent();
        }

        int counter = 0;
        protected override void OnActivated(EventArgs e)
        {
            label1.Text = string.Format("Activated {0}", ++counter);
        }
    }

When I first show the form I would expect its Label1 to display Activated 1. If I click on another tab then back on this form's tab I would expect to see Activated 2 etc.

Thanks

[F5F5F5]

I worked around this problem myself using reflection:

using System.Windows.Forms;
using Telerik.WinControls.UI.Docking;
using System.Reflection;

namespace TelerikTest
{
    public class RadDockManager : Telerik.WinControls.UI.Docking.RadDock
    {

        const string onFormActivated = "OnActivated";

        private MethodInfo _formActivatedMethod;
        public MethodInfo FormActivatedMethod
        {
            get
            {
                if (_formActivatedMethod == null)
                    _formActivatedMethod = typeof(Form).GetMethod(onFormActivated, BindingFlags.Instance | BindingFlags.NonPublic);
                return _formActivatedMethod;
            }
        }

        protected override void OnActiveWindowChanged(DockWindowEventArgs e)
        {
            Form f = e.DockWindow.GetHostedForm() as Form;
            if (f == null) return;

            FormActivatedMethod.Invoke(f, new object[] { new System.EventArgs() });
            base.OnActiveWindowChanged(e);
        }
   }

    public static class RadDockExtensions
    {
        public static Form GetHostedForm(this DockWindow dockWindow)
        {
            HostWindow hw = dockWindow as HostWindow;
            return hw == null ? null : hw.Content as Form;
        }
    }
}

[Nick]

Hi F5F5F5,

Thank you for sharing your solution with the community. I have updated your Telerik points for that.

Regards,
Nick
the Telerik team

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