如何将第三方控件嵌入ToolStrip控件,并提供Design-Time支持

private void Form2_Load(object sender, EventArgs e)
{
    MonthCalendar monthCalendar = new MonthCalendar();
    monthCalendar.FirstDayOfWeek = Day.Monday;
    this.toolStrip1.Items.Add(new ToolStripControlHost(monthCalendar));
}

public ToolStripMonthCalendar() : base(new MonthCalendar())
{

}

public MonthCalendar MonthCalendarControl
{
    get
    {
        return base.Control as MonthCalendar;
    }
}

// Expose the MonthCalendar.FirstDayOfWeek as a property.
public Day FirstDayOfWeek
{
    get
    {
         return this.MonthCalendarControl.FirstDayOfWeek;
    }
    set
    {
        value = this.MonthCalendarControl.FirstDayOfWeek;
    }
}
 

// Expose the AddBoldedDate method.
public void AddBoldedDate(DateTime dateToBold)
{
     this.MonthCalendarControl.AddBoldedDate(dateToBold);
}

// Subscribe and unsubscribe the control events you wish to expose.
protected override void OnSubscribeControlEvents(Control c)
{
    // Call the base so the base events are connected.
    base.OnSubscribeControlEvents(c);

    // Cast the control to a MonthCalendar control.
    MonthCalendar monthCalendarControl = (MonthCalendar)c;

    // Add the event.
    monthCalendarControl.DateChanged += new DateRangeEventHandler(OnDateChanged);
}

protected override void OnUnsubscribeControlEvents(Control c)
{
    // Call the base method so the basic events are unsubscribed.
    base.OnUnsubscribeControlEvents(c);
 

    // Cast the control to a MonthCalendar control.
    MonthCalendar monthCalendarControl = (MonthCalendar)c;


    // Remove the event.
    monthCalendarControl.DateChanged -= new DateRangeEventHandler(OnDateChanged);
}

// Declare the DateChanged event.

public event DateRangeEventHandler DateChanged;
        

// Raise the DateChanged event.

 private void OnDateChanged(object sender, DateRangeEventArgs e)
{
    if (DateChanged != null)
    {
        DateChanged(this, e);
    }
}

[ToolboxBitmap(typeof(MonthCalendar))]
[DefaultProperty("Value")] 
[ToolStripItemDesignerAvailability(
    ToolStripItemDesignerAvailability.ContextMenuStrip |
    ToolStripItemDesignerAvailability.MenuStrip |
    ToolStripItemDesignerAvailability.StatusStrip |
    ToolStripItemDesignerAvailability.ToolStrip)]
public class ToolStripMonthCalendar : ToolStripControlHost
{
       //TODO: ......
}