Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Framework / System / Windows / Automation / Peers / ComboBoxAutomationPeer.cs / 1 / ComboBoxAutomationPeer.cs
using System; using System.Collections; using System.Collections.Generic; using System.Runtime.InteropServices; using System.Security; using System.Text; using System.Windows; using System.Windows.Automation.Provider; using System.Windows.Controls; using System.Windows.Controls.Primitives; using System.Windows.Interop; using System.Windows.Media; using MS.Internal; using MS.Win32; namespace System.Windows.Automation.Peers { /// public class ComboBoxAutomationPeer: SelectorAutomationPeer, IValueProvider, IExpandCollapseProvider { /// public ComboBoxAutomationPeer(ComboBox owner): base(owner) {} /// override protected ItemAutomationPeer CreateItemAutomationPeer(object item) { // Use the same peer as ListBox return new ListBoxItemAutomationPeer(item, this); } /// override protected AutomationControlType GetAutomationControlTypeCore() { return AutomationControlType.ComboBox; } /// override protected string GetClassNameCore() { return "ComboBox"; } /// override public object GetPattern(PatternInterface pattern) { object iface = null; if (pattern == PatternInterface.Value) { ComboBox owner = (ComboBox)Owner; if (owner.IsEditable) iface = this; } else if(pattern == PatternInterface.ExpandCollapse) { iface = this; } else { iface = base.GetPattern(pattern); } return iface; } /// protected override ListGetChildrenCore() { List children = base.GetChildrenCore(); // include text box part into children collection ComboBox owner = (ComboBox)Owner; TextBox textBox = owner.EditableTextBoxSite; if (textBox != null) { AutomationPeer peer = UIElementAutomationPeer.CreatePeerForElement(textBox); if (peer != null) { if (children == null) children = new List (); children.Insert(0, peer); } } return children; } #region Value /// /// Request to set the value that this UI element is representing /// /// Value to set the UI to, as an object ///true if the UI element was successfully set to the specified value //[CodeAnalysis("AptcaMethodsShouldOnlyCallAptcaMethods")] //Tracking Bug: 29647 void IValueProvider.SetValue(string val) { if (val == null) throw new ArgumentNullException("val"); ComboBox owner = (ComboBox)Owner; if (!owner.IsEnabled) throw new ElementNotEnabledException(); owner.Text = val; } ///Value of a value control, as a a string. string IValueProvider.Value { get { return ((ComboBox)(((ComboBoxAutomationPeer)this).Owner)).Text; } } ///Indicates that the value can only be read, not modified. ///returns True if the control is read-only bool IValueProvider.IsReadOnly { get { ComboBox owner = (ComboBox)Owner; return !owner.IsEnabled || owner.IsReadOnly; } } #endregion Value #region ExpandCollapse ////// Blocking method that returns after the element has been expanded. /// ///true if the node was successfully expanded void IExpandCollapseProvider.Expand() { if(!IsEnabled()) throw new ElementNotEnabledException(); ComboBox owner = (ComboBox)((ComboBoxAutomationPeer)this).Owner; owner.IsDropDownOpen = true; } ////// Blocking method that returns after the element has been collapsed. /// ///true if the node was successfully collapsed void IExpandCollapseProvider.Collapse() { if(!IsEnabled()) throw new ElementNotEnabledException(); ComboBox owner = (ComboBox)((ComboBoxAutomationPeer)this).Owner; owner.IsDropDownOpen = false; } ///indicates an element's current Collapsed or Expanded state ExpandCollapseState IExpandCollapseProvider.ExpandCollapseState { get { ComboBox owner = (ComboBox)((ComboBoxAutomationPeer)this).Owner; return owner.IsDropDownOpen ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed; } } // [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)] internal void RaiseExpandCollapseAutomationEvent(bool oldValue, bool newValue) { RaisePropertyChangedEvent( ExpandCollapsePatternIdentifiers.ExpandCollapseStateProperty, oldValue ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed, newValue ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed); } #endregion ExpandCollapse } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. using System; using System.Collections; using System.Collections.Generic; using System.Runtime.InteropServices; using System.Security; using System.Text; using System.Windows; using System.Windows.Automation.Provider; using System.Windows.Controls; using System.Windows.Controls.Primitives; using System.Windows.Interop; using System.Windows.Media; using MS.Internal; using MS.Win32; namespace System.Windows.Automation.Peers { /// public class ComboBoxAutomationPeer: SelectorAutomationPeer, IValueProvider, IExpandCollapseProvider { /// public ComboBoxAutomationPeer(ComboBox owner): base(owner) {} /// override protected ItemAutomationPeer CreateItemAutomationPeer(object item) { // Use the same peer as ListBox return new ListBoxItemAutomationPeer(item, this); } /// override protected AutomationControlType GetAutomationControlTypeCore() { return AutomationControlType.ComboBox; } /// override protected string GetClassNameCore() { return "ComboBox"; } /// override public object GetPattern(PatternInterface pattern) { object iface = null; if (pattern == PatternInterface.Value) { ComboBox owner = (ComboBox)Owner; if (owner.IsEditable) iface = this; } else if(pattern == PatternInterface.ExpandCollapse) { iface = this; } else { iface = base.GetPattern(pattern); } return iface; } /// protected override ListGetChildrenCore() { List children = base.GetChildrenCore(); // include text box part into children collection ComboBox owner = (ComboBox)Owner; TextBox textBox = owner.EditableTextBoxSite; if (textBox != null) { AutomationPeer peer = UIElementAutomationPeer.CreatePeerForElement(textBox); if (peer != null) { if (children == null) children = new List (); children.Insert(0, peer); } } return children; } #region Value /// /// Request to set the value that this UI element is representing /// /// Value to set the UI to, as an object ///true if the UI element was successfully set to the specified value //[CodeAnalysis("AptcaMethodsShouldOnlyCallAptcaMethods")] //Tracking Bug: 29647 void IValueProvider.SetValue(string val) { if (val == null) throw new ArgumentNullException("val"); ComboBox owner = (ComboBox)Owner; if (!owner.IsEnabled) throw new ElementNotEnabledException(); owner.Text = val; } ///Value of a value control, as a a string. string IValueProvider.Value { get { return ((ComboBox)(((ComboBoxAutomationPeer)this).Owner)).Text; } } ///Indicates that the value can only be read, not modified. ///returns True if the control is read-only bool IValueProvider.IsReadOnly { get { ComboBox owner = (ComboBox)Owner; return !owner.IsEnabled || owner.IsReadOnly; } } #endregion Value #region ExpandCollapse ////// Blocking method that returns after the element has been expanded. /// ///true if the node was successfully expanded void IExpandCollapseProvider.Expand() { if(!IsEnabled()) throw new ElementNotEnabledException(); ComboBox owner = (ComboBox)((ComboBoxAutomationPeer)this).Owner; owner.IsDropDownOpen = true; } ////// Blocking method that returns after the element has been collapsed. /// ///true if the node was successfully collapsed void IExpandCollapseProvider.Collapse() { if(!IsEnabled()) throw new ElementNotEnabledException(); ComboBox owner = (ComboBox)((ComboBoxAutomationPeer)this).Owner; owner.IsDropDownOpen = false; } ///indicates an element's current Collapsed or Expanded state ExpandCollapseState IExpandCollapseProvider.ExpandCollapseState { get { ComboBox owner = (ComboBox)((ComboBoxAutomationPeer)this).Owner; return owner.IsDropDownOpen ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed; } } // [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)] internal void RaiseExpandCollapseAutomationEvent(bool oldValue, bool newValue) { RaisePropertyChangedEvent( ExpandCollapsePatternIdentifiers.ExpandCollapseStateProperty, oldValue ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed, newValue ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed); } #endregion ExpandCollapse } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
![Network programming in C#, Network Programming in VB.NET, Network Programming in .NET](/images/book.jpg)
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- MimeMapping.cs
- FixedStringLookup.cs
- HtmlTableCell.cs
- CapabilitiesUse.cs
- SapiAttributeParser.cs
- AnchoredBlock.cs
- EncoderReplacementFallback.cs
- UserInitiatedRoutedEventPermissionAttribute.cs
- FormsAuthenticationEventArgs.cs
- CodeRegionDirective.cs
- AssemblyBuilderData.cs
- HashHelper.cs
- COM2EnumConverter.cs
- StateDesigner.Layouts.cs
- SafeRightsManagementHandle.cs
- DataServiceEntityAttribute.cs
- Animatable.cs
- EventLogPermissionEntry.cs
- TransactedReceiveScope.cs
- Size.cs
- NamedElement.cs
- Localizer.cs
- DbMetaDataFactory.cs
- ToolStripPanelRenderEventArgs.cs
- CommentEmitter.cs
- SqlDependencyListener.cs
- SmtpFailedRecipientException.cs
- VolatileEnlistmentMultiplexing.cs
- IconConverter.cs
- NonParentingControl.cs
- SQLRoleProvider.cs
- DataSourceCache.cs
- CodeCommentStatement.cs
- QuotedPairReader.cs
- SoapAttributeOverrides.cs
- AssociationType.cs
- LinkLabel.cs
- MetadataExchangeClient.cs
- NotifyIcon.cs
- AtlasWeb.Designer.cs
- FormatException.cs
- XmlResolver.cs
- CheckedListBox.cs
- Helpers.cs
- MenuEventArgs.cs
- InfocardChannelParameter.cs
- MaterialCollection.cs
- StringArrayConverter.cs
- MailMessageEventArgs.cs
- TableProviderWrapper.cs
- SystemIcons.cs
- HelpProvider.cs
- SqlCharStream.cs
- Trace.cs
- X509WindowsSecurityToken.cs
- TextElementEditingBehaviorAttribute.cs
- ProtocolsSection.cs
- NamedPipeChannelFactory.cs
- ArrayElementGridEntry.cs
- Formatter.cs
- SQLMoney.cs
- StorageTypeMapping.cs
- QueryRewriter.cs
- PageStatePersister.cs
- OrderByQueryOptionExpression.cs
- Brush.cs
- TimeSpan.cs
- InputScopeManager.cs
- NumberFunctions.cs
- MsmqHostedTransportManager.cs
- Rotation3D.cs
- GroupByExpressionRewriter.cs
- CommandField.cs
- ConvertersCollection.cs
- EventManager.cs
- SafeProcessHandle.cs
- ListMarkerLine.cs
- XPathNavigatorReader.cs
- RealProxy.cs
- ConfigsHelper.cs
- ManifestBasedResourceGroveler.cs
- ConnectivityStatus.cs
- FixedLineResult.cs
- XmlAtomicValue.cs
- DayRenderEvent.cs
- ObjectParameter.cs
- AggregatePushdown.cs
- AmbientLight.cs
- MetadataSource.cs
- ICollection.cs
- TrackingMemoryStream.cs
- DataGridViewAddColumnDialog.cs
- StateInitialization.cs
- SqlCachedBuffer.cs
- ContextMenu.cs
- CollectionCodeDomSerializer.cs
- _SslStream.cs
- Context.cs
- Package.cs
- ExitEventArgs.cs