DotNet 4.8.1 build of DotNetBar
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304
PROMS/DotNetBar Source Code/SideBarDesigner.cs
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304
PROMS/DotNetBar Source Code/SideBarDesigner.cs
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using System;
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using System.ComponentModel;
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using System.ComponentModel.Design;
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using System.Windows.Forms;
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using System.ComponentModel.Design.Serialization;
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using System.CodeDom;
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using System.Drawing;
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using System.Collections;
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namespace DevComponents.DotNetBar
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{
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/// <summary>
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/// Represents Windows Forms designer for SideBar control.
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/// </summary>
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public class SideBarDesigner:BarBaseControlDesigner
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{
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#region Internal Implementation
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public SideBarDesigner():base()
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{
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this.EnableItemDragDrop=true;
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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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if(!component.Site.DesignMode)
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return;
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SideBar bar=this.Control as SideBar;
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if(bar!=null)
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bar.SetDesignMode();
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}
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public override DesignerVerbCollection Verbs
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{
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get
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{
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DesignerVerb[] verbs;
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verbs = new DesignerVerb[]
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{
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new DesignerVerb("Create Panel", new EventHandler(OnAddGroup)),
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new DesignerVerb("Create Button", new EventHandler(OnAddButton)),
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new DesignerVerb("Choose Color Scheme", new EventHandler(OnPickColorScheme))
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};
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return new DesignerVerbCollection(verbs);
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}
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}
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protected override BaseItem GetItemContainer()
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{
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SideBar bar=this.Control as SideBar;
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if(bar!=null)
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return bar.ItemsContainer;
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return null;
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}
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protected override void RecalcLayout()
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{
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SideBar bar=this.GetItemContainerControl() as SideBar;
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if(bar!=null)
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bar.RecalcLayout();
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}
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protected override void OnSubItemsChanging()
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{
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base.OnSubItemsChanging();
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IComponentChangeService change=this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
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if(change!=null)
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{
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SideBar bar=this.GetItemContainerControl() as SideBar;
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change.OnComponentChanging(this.Component,TypeDescriptor.GetProperties(bar).Find("Panels",true));
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}
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}
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protected override void OnSubItemsChanged()
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{
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base.OnSubItemsChanged();
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IComponentChangeService change=this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
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if(change!=null)
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{
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SideBar bar=this.GetItemContainerControl() as SideBar;
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change.OnComponentChanged(this.Component,TypeDescriptor.GetProperties(bar).Find("Panels",true),null,null);
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}
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}
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private void OnAddGroup(object sender, EventArgs e)
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{
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IDesignerHost dh=this.GetService(typeof(IDesignerHost)) as IDesignerHost;
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DesignerTransaction trans=null;
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if(dh!=null)
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trans=dh.CreateTransaction("New SideBarPanelItem");
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try
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{
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CreateNewPanel();
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}
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finally
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{
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if(trans!=null && !trans.Canceled)
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trans.Commit();
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}
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this.RecalcLayout();
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}
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private SideBarPanelItem CreateNewPanel()
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{
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SideBarPanelItem item=null;
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SideBar bar=this.Component as SideBar;
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IDesignerHost dh=GetIDesignerHost();
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if(bar!=null && dh!=null)
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{
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OnSubItemsChanging();
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item=dh.CreateComponent(typeof(SideBarPanelItem)) as SideBarPanelItem;
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if(item==null)
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return null;
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IComponentChangeService change=this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
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if(change!=null)
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change.OnComponentChanging(item,null);
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item.Text=item.Name;
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bar.Panels.Add(item);
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item.Appearance = bar.Appearance;
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if (item.Appearance == eSideBarAppearance.Flat)
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SideBar.ApplyColorScheme(item, bar.PredefinedColorScheme);
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if(change!=null)
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change.OnComponentChanged(item,null,null,null);
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OnSubItemsChanged();
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}
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return item;
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}
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private void OnAddButton(object sender, EventArgs e)
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{
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SideBar bar=this.Component as SideBar;
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IDesignerHost dh=GetIDesignerHost();
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if(bar!=null && dh!=null)
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{
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ISelectionService selection = (ISelectionService) this.GetService(typeof(ISelectionService));
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if(selection==null)
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return;
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SideBarPanelItem panel=null;
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if(!(selection.PrimarySelection is SideBarPanelItem))
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{
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if(bar.ExpandedPanel==null)
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panel=CreateNewPanel();
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else
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panel=bar.ExpandedPanel;
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}
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else
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panel=selection.PrimarySelection as SideBarPanelItem;
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if(panel==null)
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return;
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IComponentChangeService change=this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
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if(change!=null)
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change.OnComponentChanging(this.Component,TypeDescriptor.GetProperties(panel).Find("SubItems",true));
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ButtonItem item=dh.CreateComponent(typeof(ButtonItem)) as ButtonItem;
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if(item==null)
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return;
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item.Text="New Button";
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if(bar.Appearance==eSideBarAppearance.Flat)
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item.ImagePosition=eImagePosition.Left;
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else
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item.ImagePosition=eImagePosition.Top;
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item.ButtonStyle=eButtonStyle.ImageAndText;
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panel.SubItems.Add(item);
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if(change!=null)
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change.OnComponentChanged(this.Component,TypeDescriptor.GetProperties(panel).Find("SubItems",true),null,null);
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this.RecalcLayout();
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}
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}
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private void OnPickColorScheme(object sender, EventArgs e)
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{
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using(SideBarColorSchemePicker picker=new SideBarColorSchemePicker())
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{
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picker.ShowDialog();
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if(picker.DialogResult==DialogResult.OK)
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{
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SetColorScheme(picker.SelectedColorScheme);
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}
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}
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}
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private void SetColorScheme(eSideBarColorScheme scheme)
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{
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SideBar sidebar=this.Control as SideBar;
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if(sidebar!=null)
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{
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if(sidebar.Appearance!=eSideBarAppearance.Flat)
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TypeDescriptor.GetProperties(sidebar)["Appearance"].SetValue(sidebar, eSideBarAppearance.Flat);
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TypeDescriptor.GetProperties(sidebar)["PredefinedColorScheme"].SetValue(sidebar, scheme);
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sidebar.ApplyPredefinedColorScheme(scheme);
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this.RaiseStyleChanged();
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}
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}
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private void RaiseStyleChanged()
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{
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IDesignerHost dh=GetIDesignerHost();
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DesignerTransaction trans=null;
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if(dh!=null)
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trans=dh.CreateTransaction();
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SideBar sidebar=this.Control as SideBar;
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IComponentChangeService change=this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
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if(change!=null)
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{
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change.OnComponentChanging(this.Control,null);
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change.OnComponentChanged(this.Control,null,null,null);
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change.OnComponentChanging(this.Component,TypeDescriptor.GetProperties(sidebar).Find("ColorScheme",true));
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change.OnComponentChanged(this.Component,TypeDescriptor.GetProperties(sidebar).Find("ColorScheme",true),null,null);
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change.OnComponentChanging(this.Component,TypeDescriptor.GetProperties(sidebar).Find("Panels",true));
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change.OnComponentChanged(this.Component,TypeDescriptor.GetProperties(sidebar).Find("Panels",true),null,null);
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foreach(SideBarPanelItem panel in sidebar.Panels)
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{
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change.OnComponentChanging(panel,TypeDescriptor.GetProperties(typeof(SideBarPanelItem))["HeaderStyle"]);
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change.OnComponentChanged(panel,TypeDescriptor.GetProperties(typeof(SideBarPanelItem))["HeaderStyle"],null,null);
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change.OnComponentChanging(panel,TypeDescriptor.GetProperties(typeof(SideBarPanelItem))["HeaderHotStyle"]);
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change.OnComponentChanged(panel,TypeDescriptor.GetProperties(typeof(SideBarPanelItem))["HeaderHotStyle"],null,null);
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change.OnComponentChanging(panel,TypeDescriptor.GetProperties(typeof(SideBarPanelItem))["HeaderMouseDownStyle"]);
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change.OnComponentChanged(panel,TypeDescriptor.GetProperties(typeof(SideBarPanelItem))["HeaderMouseDownStyle"],null,null);
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change.OnComponentChanging(panel,TypeDescriptor.GetProperties(typeof(SideBarPanelItem))["HeaderSideHotStyle"]);
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change.OnComponentChanged(panel,TypeDescriptor.GetProperties(typeof(SideBarPanelItem))["HeaderSideHotStyle"],null,null);
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change.OnComponentChanging(panel,TypeDescriptor.GetProperties(typeof(SideBarPanelItem))["HeaderSideMouseDownStyle"]);
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change.OnComponentChanged(panel,TypeDescriptor.GetProperties(typeof(SideBarPanelItem))["HeaderSideMouseDownStyle"],null,null);
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change.OnComponentChanging(panel,TypeDescriptor.GetProperties(typeof(SideBarPanelItem))["HeaderSideStyle"]);
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change.OnComponentChanged(panel,TypeDescriptor.GetProperties(typeof(SideBarPanelItem))["HeaderSideStyle"],null,null);
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}
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}
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if(trans!=null)
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trans.Commit();
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}
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private IDesignerHost GetIDesignerHost()
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{
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try
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{
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IDesignerHost dh=(IDesignerHost)GetService(typeof(IDesignerHost));
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return dh;
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}
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catch{}
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return null;
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}
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protected override void PreFilterProperties(
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IDictionary properties)
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{
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base.PreFilterProperties(properties);
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// shadow the checked property so we can intercept the set.
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//
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properties["Appearance"] =
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TypeDescriptor.CreateProperty(typeof(SideBarDesigner),
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(PropertyDescriptor)properties["Appearance"],
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new Attribute[0]);
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}
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/// <summary>
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/// Gets or sets visual appearance for the control.
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/// </summary>
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[Browsable(true),DefaultValue(eSideBarAppearance.Traditional),Category("Appearance"),Description("Indicates visual appearance for the control.")]
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public eSideBarAppearance Appearance
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{
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get
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{
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return ((SideBar)Control).Appearance;
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}
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set
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{
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// set the value into the control
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if(((SideBar)Control).Appearance != value)
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{
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((SideBar)Control).Appearance=value;
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if(value==eSideBarAppearance.Flat)
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{
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SetColorScheme(((SideBar)Control).PredefinedColorScheme);
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}
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else if(value==eSideBarAppearance.Traditional)
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{
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((SideBar)Control).ResetTraditional();
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RaiseStyleChanged();
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}
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}
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}
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}
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protected override bool CanDragItem(BaseItem item)
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{
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if(item is SideBarPanelItem)
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return false;
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return base.CanDragItem(item);
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}
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#endregion
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}
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}
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