Source/Design/PanelControlDesigner.cs

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using System;
using System.Windows.Forms;
using System.Windows.Forms.Design;
using System.Collections;
using System.Drawing;
using System.ComponentModel.Design;
using System.ComponentModel;

namespace DevComponents.DotNetBar.Design
{
    /// <summary>
    /// Windows Forms Designer for PanelControl
    /// </summary>
    public class PanelControlDesigner : System.Windows.Forms.Design.ScrollableControlDesigner
    {
        public override DesignerVerbCollection Verbs
        {
            get
            {
                DesignerVerb[] verbs;
                verbs = new DesignerVerb[]
				{
					new DesignerVerb("Apply Panel Style", new EventHandler(ApplyPanelStyle)),
					new DesignerVerb("Apply Button Style", new EventHandler(ApplyButtonStyle)),
					new DesignerVerb("Apply Label Style", new EventHandler(ApplyLabelStyle))
				};
                return new DesignerVerbCollection(verbs);
            }
        }

        private void ApplyPanelStyle(object sender, EventArgs e)
        {
            PanelControl p = this.Control as PanelControl;
            if (p == null)
                return;

            IComponentChangeService change = this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
            if (change != null)
                change.OnComponentChanging(this.Component, null);

            p.ApplyPanelStyle();

            if (change != null)
                change.OnComponentChanged(this.Component, null, null, null);
        }

        private void ApplyButtonStyle(object sender, EventArgs e)
        {
            PanelControl p = this.Control as PanelControl;
            if (p == null)
                return;

            IComponentChangeService change = this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
            if (change != null)
                change.OnComponentChanging(this.Component, null);

            p.ApplyButtonStyle();

            if (change != null)
                change.OnComponentChanged(this.Component, null, null, null);