236 lines
7.4 KiB
C#
236 lines
7.4 KiB
C#
using System;
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using System.Windows.Forms;
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using System.Windows.Forms.Design;
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using System.Collections;
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using System.Drawing;
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using System.ComponentModel.Design;
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using System.ComponentModel;
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using System.ComponentModel.Design.Serialization;
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using System.CodeDom;
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namespace DevComponents.DotNetBar.Design
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{
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/// <summary>
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/// Provides design time support for NavigationBar control.
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/// </summary>
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public class NavigationBarDesigner:BarBaseControlDesigner
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{
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/// <summary>
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/// Default constructor
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/// </summary>
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public NavigationBarDesigner()
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{
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this.EnableItemDragDrop=true;
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}
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public override void OnSetComponentDefaults()
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{
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NavigationBar navbar = this.Control as NavigationBar;
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if (navbar != null) navbar.Style = eDotNetBarStyle.StyleManagerControlled;
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base.OnSetComponentDefaults();
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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 New Button", new EventHandler(CreateNewButton)),
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};
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return new DesignerVerbCollection(verbs);
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}
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}
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private void CreateNewButton(object sender, EventArgs e)
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{
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IDesignerHost dh=(IDesignerHost)GetService(typeof(IDesignerHost));
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NavigationBar navbar=this.Control as NavigationBar;
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if(navbar==null || dh==null)
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return;
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DesignerTransaction dt = dh.CreateTransaction();
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try
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{
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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, null);
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ButtonItem item = null;
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try
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{
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m_CreatingItem = true;
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item = dh.CreateComponent(typeof(ButtonItem)) as ButtonItem;
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item.Text = item.Name;
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item.OptionGroup = "navBar";
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item.Image = Helpers.LoadBitmap("SystemImages.DefaultNavBarImage.png");
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navbar.Items.Add(item);
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}
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finally
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{
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m_CreatingItem = false;
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}
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if (navbar.Items.Count == 1)
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item.Checked = true;
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navbar.RecalcLayout();
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if (change != null)
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change.OnComponentChanged(this.Component, null, null, null);
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}
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catch
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{
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dt.Cancel();
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}
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finally
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{
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if (!dt.Canceled) dt.Commit();
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}
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}
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protected override bool OnMouseDown(ref Message m, MouseButtons mb)
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{
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if(base.OnMouseDown(ref m, mb))
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return true;
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NavigationBar navbar=this.GetItemContainerControl() as NavigationBar;
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if(navbar==null || navbar.IsDisposed || !navbar.SplitterVisible)
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return false;
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Point pos=navbar.PointToClient(System.Windows.Forms.Control.MousePosition);
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MouseEventArgs e=new MouseEventArgs(MouseButtons.Left,0,pos.X,pos.Y,0);
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if(m.Msg==WinApi.WM_LBUTTONDOWN)
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{
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if(navbar.HitTestSplitter(e.X,e.Y))
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navbar.SplitterMouseDown(e);
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if(navbar.IsSplitterMouseDown /*|| navbar.ClientRectangle.Contains(pos)*/)
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return true;;
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}
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return false;
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}
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protected override bool OnMouseUp(ref Message m)
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{
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NavigationBar navbar=this.GetItemContainerControl() as NavigationBar;
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if(navbar!=null && !navbar.IsDisposed && navbar.SplitterVisible)
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{
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Point pos=navbar.PointToClient(System.Windows.Forms.Control.MousePosition);
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MouseEventArgs e=new MouseEventArgs(MouseButtons.Left,0,pos.X,pos.Y,0);
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// Design-time splitter support
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if(navbar.IsSplitterMouseDown)
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{
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navbar.SplitterMouseUp(e);
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this.OnNavigationBarHeightChanged(navbar.Height);
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}
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else
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navbar.SplitterMouseUp(e);
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}
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if(base.OnMouseUp(ref m))
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return true;
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return false;
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}
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protected virtual void OnNavigationBarHeightChanged(int newHeight)
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{
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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,TypeDescriptor.GetProperties(this.Control).Find("NavigationBarHeight",true));
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// change.OnComponentChanged(this.Control,TypeDescriptor.GetProperties(this.Control).Find("NavigationBarHeight",true),0,newHeight);
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// }
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}
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protected override bool OnMouseMove(ref Message m)
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{
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if(base.OnMouseMove(ref m))
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return true;
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NavigationBar navbar=this.GetItemContainerControl() as NavigationBar;
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if(navbar!=null && !navbar.IsDisposed && navbar.SplitterVisible)
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{
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Point pos=navbar.PointToClient(System.Windows.Forms.Control.MousePosition);
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MouseEventArgs e=new MouseEventArgs(System.Windows.Forms.Control.MouseButtons,0,pos.X,pos.Y,0);
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navbar.SplitterMouseMove(e);
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}
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return false;
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}
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protected override bool OnMouseLeave(ref Message m)
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{
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if(base.OnMouseLeave(ref m))
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return true;
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NavigationBar navbar=this.GetItemContainerControl() as NavigationBar;
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if(navbar!=null && !navbar.IsDisposed && navbar.SplitterVisible)
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navbar.SplitterMouseLeave();
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return false;
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}
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protected override void OnItemSelected(BaseItem item)
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{
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base.OnItemSelected(item);
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if(item is ButtonItem && !((ButtonItem)item).Checked)
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{
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ButtonItem button=item as ButtonItem;
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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(button,TypeDescriptor.GetProperties(button).Find("Checked",true));
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button.Checked=true;
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if(change!=null)
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change.OnComponentChanged(button,TypeDescriptor.GetProperties(button).Find("Checked",true),null,null);
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}
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}
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}
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// public class NavigationBarSerializer : CodeDomSerializer
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// {
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// public override object Serialize(IDesignerSerializationManager manager, object value)
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// {
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// // first, locate and invoke the default serializer for
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// CodeDomSerializer baseSerializer = (CodeDomSerializer)manager.GetSerializer(
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// typeof(NavigationBar).BaseType,
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// typeof(CodeDomSerializer));
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//
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// object codeObject = baseSerializer.Serialize(manager, value);
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//
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// // now add some custom code
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// if (codeObject is CodeStatementCollection)
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// {
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//
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// // // add a custom comment to the code.
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// CodeStatementCollection statements =
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// (CodeStatementCollection)codeObject;
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//
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// // call a custom method.
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// CodeExpression targetObject =
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// base.SerializeToReferenceExpression(manager, value);
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// if(targetObject != null)
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// {
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//
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// CodeMethodInvokeExpression methodCall =
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// new CodeMethodInvokeExpression(targetObject, "RecalcLayout");
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// statements.Add(methodCall);
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// }
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//
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// }
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//
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// // finally, return the statements that have been created
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// return codeObject;
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// }
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//
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// /// The default serializer can handle the deserialization just fine. We override this
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// /// because it is an abstract member.
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// /// </summary>
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// public override object Deserialize(IDesignerSerializationManager manager, object codeDomObject)
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// {
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// // delegate straight through to the default serializer
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// //
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// CodeDomSerializer baseSerializer = (CodeDomSerializer)manager.GetSerializer(typeof(NavigationBar).BaseType, typeof(CodeDomSerializer));
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//
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// return baseSerializer.Deserialize(manager, codeDomObject);
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// }
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// }
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}
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