// *********************************
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// Message from Original Author:
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//
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// 2008 Jose Menendez Poo
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// Please give me credit if you use this code. It's all I ask.
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// Contact me for more info: menendezpoo@gmail.com
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// *********************************
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//
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// Original project from http://ribbon.codeplex.com/
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// Continue to support and maintain by http://officeribbon.codeplex.com/
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using System.ComponentModel;
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using System.ComponentModel.Design;
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using System.Windows.Forms.Design.Behavior;
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namespace System.Windows.Forms
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{
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public class RibbonTabDesigner
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: ComponentDesigner
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{
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private Adorner _panelAdorner;
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public override DesignerVerbCollection Verbs => new DesignerVerbCollection(new[] {
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new DesignerVerb("Add Panel", AddPanel)
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});
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public RibbonTab Tab => Component as RibbonTab;
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public void AddPanel(object sender, EventArgs e)
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{
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if (GetService(typeof(IDesignerHost)) is IDesignerHost host && Tab != null)
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{
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DesignerTransaction transaction = host.CreateTransaction("AddPanel" + Component.Site.Name);
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MemberDescriptor member = TypeDescriptor.GetProperties(Component)["Panels"];
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RaiseComponentChanging(member);
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if (host.CreateComponent(typeof(RibbonPanel)) is RibbonPanel panel)
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{
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panel.Text = panel.Site.Name;
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//Michael Spradlin 07/05/2013 Added Panel Index code so we can tell where a panel is at on the ribbon.
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panel.Index = Tab.Panels.Count;
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if (panel.Index == 0)
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{
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panel.IsFirstPanel = true;
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}
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else
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{
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foreach (RibbonPanel pnl in Tab.Panels)
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{
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pnl.IsLastPanel = false;
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}
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panel.IsLastPanel = true;
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}
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Tab.Panels.Add(panel);
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Tab.Owner.OnRegionsChanged();
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}
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RaiseComponentChanged(member, null, null);
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transaction.Commit();
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}
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}
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public override void Initialize(IComponent component)
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{
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base.Initialize(component);
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_panelAdorner = new Adorner();
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//Kevin Carbis - another point where exception is thrown by the designer when current is null
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if (RibbonDesigner.Current != null)
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{
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BehaviorService bs = RibbonDesigner.Current.GetBehaviorService();
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if (bs == null) return;
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bs.Adorners.AddRange(new[] { _panelAdorner });
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_panelAdorner.Glyphs.Add(new RibbonPanelGlyph(bs, this, Tab));
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}
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}
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}
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}
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