Wrapped ToolStrip Control

[Rafone]

Hi All; I am using VS 2008 and I have wrapped a checkbox into a toolstrip. Works great but when in VS after shutting down the app the toolstrip is blank (shows no controls don't get the add contol drop down). If I close that project and open another then go back all is well. Can someone tell me if this is a bug in my code or a bug in VS2008? Here is the code for the wrapper;

using System;
using System.Windows.Forms;
using System.Windows.Forms.Design;

[System.ComponentModel.DesignerCategory("code")]
[ToolStripItemDesignerAvailability(ToolStripItemDesignerAvailability.ToolStrip | ToolStripItemDesignerAvailability.StatusStrip)]

public class ToolStripCheckBox : ToolStripControlHost
{
public ToolStripCheckBox()
: base(new CheckBox())
{

}


public CheckBox CheckBoxControl
{
    get { return Control as CheckBox; }
}

public bool Checked
{
    get { return CheckBoxControl.Checked; }
    set { CheckBoxControl.Checked = value; }
}

public event EventHandler CheckedChanged;

public void OnCheckedChanged(object sender, EventArgs e)
{
    // not thread safe!
    if (CheckedChanged != null)
    {
        CheckedChanged(sender, e);
    }
}

protected override void OnSubscribeControlEvents(Control control)
{
    base.OnSubscribeControlEvents(control);
    (control as CheckBox).CheckedChanged += OnCheckedChanged;
}

protected override void OnUnsubscribeControlEvents(Control control)
{
    base.OnUnsubscribeControlEvents(control);
    (control as CheckBox).CheckedChanged -= OnCheckedChanged;
}

}

thx rafone

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