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388 lines
13 KiB
C#
388 lines
13 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="DeviceSpecific.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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using System;
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using System.Collections;
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using System.ComponentModel;
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using System.ComponentModel.Design;
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using System.Diagnostics;
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using System.Globalization;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.Design.WebControls;
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using System.Web.Mobile;
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using System.Security.Permissions;
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namespace System.Web.UI.MobileControls
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{
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/*
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* DeviceSpecific object.
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*
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* Copyright (c) 2000 Microsoft Corporation
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*/
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific"]/*' />
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[
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ControlBuilderAttribute(typeof(DeviceSpecificControlBuilder)),
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Designer(typeof(System.Web.UI.Design.MobileControls.DeviceSpecificDesigner)),
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ParseChildren(false),
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PersistChildren(false),
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PersistName("DeviceSpecific"),
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ToolboxData("<{0}:DeviceSpecific runat=\"server\"></{0}:DeviceSpecific>"),
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ToolboxItemFilter("System.Web.UI"),
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ToolboxItemFilter("System.Web.UI.MobileControls", ToolboxItemFilterType.Require),
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]
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[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
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[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
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[Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
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public class DeviceSpecific : Control
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{
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private DeviceSpecificChoiceCollection _choices;
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private DeviceSpecificChoice _selectedChoice;
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private bool _haveSelectedChoice;
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private Object _owner;
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.Owner"]/*' />
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[
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Browsable(false),
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DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
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]
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public Object Owner
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{
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get
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{
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Debug.Assert(_owner != null, "Owner is null");
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return _owner;
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}
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}
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internal void SetOwner(Object owner)
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{
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Debug.Assert((_owner == null || MobilePage == null || MobilePage.DesignMode), "Owner has already been set");
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_owner = owner;
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}
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.Choices"]/*' />
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[
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Browsable(false),
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PersistenceMode(PersistenceMode.InnerDefaultProperty)
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]
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public DeviceSpecificChoiceCollection Choices
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{
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get
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{
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if (_choices == null)
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{
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_choices = new DeviceSpecificChoiceCollection(this);
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}
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return _choices;
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}
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}
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.HasTemplates"]/*' />
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[
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Browsable(false),
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DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
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]
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public bool HasTemplates
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{
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get
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{
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return (SelectedChoice != null) ?
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_selectedChoice.HasTemplates :
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false;
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}
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}
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.GetTemplate"]/*' />
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public ITemplate GetTemplate(String templateName)
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{
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return (SelectedChoice != null) ?
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_selectedChoice.Templates[templateName] as ITemplate :
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null;
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}
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.SelectedChoice"]/*' />
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[
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Browsable(false),
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DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
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]
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public DeviceSpecificChoice SelectedChoice
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{
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get
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{
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if (!_haveSelectedChoice)
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{
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_haveSelectedChoice = true;
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HttpContext context = HttpContext.Current;
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if (context == null)
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{
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return null;
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}
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MobileCapabilities caps = (MobileCapabilities)context.Request.Browser;
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if (_choices != null)
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{
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foreach (DeviceSpecificChoice choice in _choices)
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{
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if (choice.Evaluate(caps))
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{
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_selectedChoice = choice;
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break;
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}
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}
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}
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}
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return _selectedChoice;
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}
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}
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.MobilePage"]/*' />
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[
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Browsable(false),
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DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
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]
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public MobilePage MobilePage
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{
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get
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{
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if (Owner is Style)
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{
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return ((Style)Owner).Control.MobilePage;
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}
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else
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{
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Debug.Assert(Owner is MobileControl);
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return ((MobileControl)Owner).MobilePage;
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}
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}
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}
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.AddParsedSubObject"]/*' />
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protected override void AddParsedSubObject(Object obj)
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{
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DeviceSpecificChoice choice = obj as DeviceSpecificChoice;
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if (choice != null)
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{
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Choices.Add(choice);
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}
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}
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internal void ApplyProperties()
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{
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if (SelectedChoice != null)
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{
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_selectedChoice.ApplyProperties();
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}
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}
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// Walk up the control parent hierarchy until we find either a
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// MobilePage or a UserControl.
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private TemplateControl _closestTemplateControl = null;
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internal TemplateControl ClosestTemplateControl
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{
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get
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{
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if (_closestTemplateControl == null)
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{
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Style asStyle = Owner as Style;
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MobileControl control =
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(asStyle != null) ? asStyle.Control : (MobileControl)Owner;
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_closestTemplateControl =
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control.FindContainingTemplateControl();
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Debug.Assert(_closestTemplateControl != null);
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}
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return _closestTemplateControl;
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}
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}
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/////////////////////////////////////////////////////////////////////////
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// BEGIN DESIGNER SUPPORT
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/////////////////////////////////////////////////////////////////////////
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.Init"]/*' />
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[
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Browsable(false),
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]
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public new event EventHandler Init
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{
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add
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{
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base.Init += value;
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}
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remove
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{
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base.Init -= value;
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}
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}
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.Load"]/*' />
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[
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Browsable(false),
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]
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public new event EventHandler Load
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{
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add
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{
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base.Load += value;
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}
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remove
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{
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base.Load -= value;
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}
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}
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.Unload"]/*' />
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[
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Browsable(false),
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]
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public new event EventHandler Unload
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{
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add
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{
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base.Unload += value;
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}
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remove
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{
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base.Unload -= value;
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}
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}
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.PreRender"]/*' />
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[
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Browsable(false),
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]
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public new event EventHandler PreRender
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{
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add
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{
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base.PreRender += value;
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}
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remove
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{
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base.PreRender -= value;
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}
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}
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.Disposed"]/*' />
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[
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Browsable(false),
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]
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public new event EventHandler Disposed
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{
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add
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{
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base.Disposed += value;
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}
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remove
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{
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base.Disposed -= value;
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}
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}
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.DataBinding"]/*' />
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[
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Browsable(false),
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]
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public new event EventHandler DataBinding
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{
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add
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{
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base.DataBinding += value;
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}
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remove
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{
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base.DataBinding -= value;
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}
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}
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internal void SetDesignerChoice(DeviceSpecificChoice choice)
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{
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// This will enforce SelectedChoice to return current choice.
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_haveSelectedChoice = true;
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_selectedChoice = choice;
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}
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// Do not expose the Visible property in the Designer
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.Visible"]/*' />
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[
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Browsable(false),
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Bindable(false),
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DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
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]
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public override bool Visible
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{
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get
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{
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return base.Visible;
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}
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set
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{
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base.Visible = value;
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}
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}
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// Do not expose the EnableViewState property in the Designer
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecific.EnableViewState"]/*' />
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[
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Browsable(false),
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Bindable(false),
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DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
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]
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public override bool EnableViewState
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{
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get
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{
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return base.EnableViewState;
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}
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set
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{
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base.EnableViewState = value;
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}
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}
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/////////////////////////////////////////////////////////////////////////
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// END DESIGNER SUPPORT
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/////////////////////////////////////////////////////////////////////////
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}
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/*
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* DeviceSpecific control builder.
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*
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* Copyright (c) 2000 Microsoft Corporation
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*/
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecificControlBuilder"]/*' />
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[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
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||
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[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
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||
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[Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
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||
|
|
public class DeviceSpecificControlBuilder : ControlBuilder
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{
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecificControlBuilder.AppendLiteralString"]/*' />
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public override void AppendLiteralString(String text)
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{
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// Ignore.
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}
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/// <include file='doc\DeviceSpecific.uex' path='docs/doc[@for="DeviceSpecificControlBuilder.GetChildControlType"]/*' />
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public override Type GetChildControlType(String tagName, IDictionary attributes)
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{
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if (String.Compare(tagName, "Choice", StringComparison.OrdinalIgnoreCase) == 0)
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{
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return typeof(DeviceSpecificChoice);
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}
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else
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{
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throw new Exception(SR.GetString(SR.DeviceSpecific_OnlyChoiceElementsAllowed));
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}
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}
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}
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}
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