Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Framework / System / Windows / Controls / Expander.cs / 1 / Expander.cs
//---------------------------------------------------------------------------- // // Copyright (C) Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System; using System.Windows; using System.Windows.Automation; using System.Windows.Automation.Peers; using System.Windows.Controls; using System.ComponentModel; using MS.Internal.KnownBoxes; namespace System.Windows.Controls { ////// Specifies the expanding direction of a expansion. /// public enum ExpandDirection { ////// Expander will expand to the down direction. /// Down = 0, ////// Expander will expand to the up direction. /// Up = 1, ////// Expander will expand to the left direction. /// Left = 2, ////// Expander will expand to the right direction. /// Right = 3, } ////// An Expander control allows a user to view a header and expand that /// header to see further details of the content, or to collapse the section /// up to the header to save space. /// [Localizability(LocalizationCategory.None, Readability = Readability.Unreadable)] // cannot be read & localized as string public class Expander : HeaderedContentControl { //------------------------------------------------------------------- // // Constructors // //------------------------------------------------------------------- #region Constructors static Expander() { DefaultStyleKeyProperty.OverrideMetadata(typeof(Expander), new FrameworkPropertyMetadata(typeof(Expander))); _dType = DependencyObjectType.FromSystemTypeInternal(typeof(Expander)); IsTabStopProperty.OverrideMetadata(typeof(Expander), new FrameworkPropertyMetadata(BooleanBoxes.FalseBox)); } #endregion //-------------------------------------------------------------------- // // Public Properties // //------------------------------------------------------------------- #region Public Properties ////// ExpandDirection specifies to which direction the content will expand /// [Bindable(true), Category("Behavior")] public ExpandDirection ExpandDirection { get { return (ExpandDirection) GetValue(ExpandDirectionProperty); } set { SetValue(ExpandDirectionProperty, value); } } ////// The DependencyProperty for the ExpandDirection property. /// Default Value: ExpandDirection.Down /// public static readonly DependencyProperty ExpandDirectionProperty = DependencyProperty.Register( "ExpandDirection", typeof(ExpandDirection), typeof(Expander), new FrameworkPropertyMetadata( ExpandDirection.Down /* default value */, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault), new ValidateValueCallback(IsValidExpandDirection)); private static bool IsValidExpandDirection(object o) { ExpandDirection value = (ExpandDirection)o; return (value == ExpandDirection.Down || value == ExpandDirection.Left || value == ExpandDirection.Right || value == ExpandDirection.Up); } ////// The DependencyProperty for the IsExpanded property. /// Default Value: false /// public static readonly DependencyProperty IsExpandedProperty = DependencyProperty.Register( "IsExpanded", typeof(bool), typeof(Expander), new FrameworkPropertyMetadata( BooleanBoxes.FalseBox /* default value */, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault | FrameworkPropertyMetadataOptions.Journal, new PropertyChangedCallback(OnIsExpandedChanged))); private static void OnIsExpandedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { Expander ep = (Expander) d; bool newValue = (bool) e.NewValue; // Fire accessibility event ExpanderAutomationPeer peer = UIElementAutomationPeer.FromElement(ep) as ExpanderAutomationPeer; if(peer != null) { peer.RaiseExpandCollapseAutomationEvent(!newValue, newValue); } if (newValue) { ep.OnExpanded(); } else { ep.OnCollapsed(); } } ////// IsExpanded indicates whether the expander is currently expanded. /// [Bindable(true), Category("Appearance")] public bool IsExpanded { get { return (bool) GetValue(IsExpandedProperty); } set { SetValue(IsExpandedProperty, BooleanBoxes.Box(value)); } } ////// Expanded event. /// public static readonly RoutedEvent ExpandedEvent = EventManager.RegisterRoutedEvent("Expanded", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(Expander) ); ////// Expanded event. It is fired when IsExpanded changed from false to true. /// public event RoutedEventHandler Expanded { add { AddHandler(ExpandedEvent, value); } remove { RemoveHandler(ExpandedEvent, value); } } ////// Collapsed event. /// public static readonly RoutedEvent CollapsedEvent = EventManager.RegisterRoutedEvent("Collapsed", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(Expander) ); ////// Collapsed event. It is fired when IsExpanded changed from true to false. /// public event RoutedEventHandler Collapsed { add { AddHandler(CollapsedEvent, value); } remove { RemoveHandler(CollapsedEvent, value); } } #endregion //-------------------------------------------------------------------- // // Protected Methods // //-------------------------------------------------------------------- #region Protected Methods ////// A virtual function that is called when the IsExpanded property is changed to true. /// Default behavior is to raise an ExpandedEvent. /// protected virtual void OnExpanded() { RoutedEventArgs args = new RoutedEventArgs(); args.RoutedEvent =(Expander.ExpandedEvent); args.Source=this; RaiseEvent(args); } ////// A virtual function that is called when the IsExpanded property is changed to false. /// Default behavior is to raise a CollapsedEvent. /// protected virtual void OnCollapsed() { RaiseEvent(new RoutedEventArgs(Expander.CollapsedEvent, this)); } #endregion #region Accessibility ////// Creates AutomationPeer ( protected override AutomationPeer OnCreateAutomationPeer() { return new ExpanderAutomationPeer(this); } #endregion //------------------------------------------------------------------- // // Private Fields // //-------------------------------------------------------------------- #region Private Fields #endregion #region DTypeThemeStyleKey // Returns the DependencyObjectType for the registered ThemeStyleKey's default // value. Controls will override this method to return approriate types. internal override DependencyObjectType DTypeThemeStyleKey { get { return _dType; } } private static DependencyObjectType _dType; #endregion DTypeThemeStyleKey } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // // Copyright (C) Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System; using System.Windows; using System.Windows.Automation; using System.Windows.Automation.Peers; using System.Windows.Controls; using System.ComponentModel; using MS.Internal.KnownBoxes; namespace System.Windows.Controls { ///) /// /// Specifies the expanding direction of a expansion. /// public enum ExpandDirection { ////// Expander will expand to the down direction. /// Down = 0, ////// Expander will expand to the up direction. /// Up = 1, ////// Expander will expand to the left direction. /// Left = 2, ////// Expander will expand to the right direction. /// Right = 3, } ////// An Expander control allows a user to view a header and expand that /// header to see further details of the content, or to collapse the section /// up to the header to save space. /// [Localizability(LocalizationCategory.None, Readability = Readability.Unreadable)] // cannot be read & localized as string public class Expander : HeaderedContentControl { //------------------------------------------------------------------- // // Constructors // //------------------------------------------------------------------- #region Constructors static Expander() { DefaultStyleKeyProperty.OverrideMetadata(typeof(Expander), new FrameworkPropertyMetadata(typeof(Expander))); _dType = DependencyObjectType.FromSystemTypeInternal(typeof(Expander)); IsTabStopProperty.OverrideMetadata(typeof(Expander), new FrameworkPropertyMetadata(BooleanBoxes.FalseBox)); } #endregion //-------------------------------------------------------------------- // // Public Properties // //------------------------------------------------------------------- #region Public Properties ////// ExpandDirection specifies to which direction the content will expand /// [Bindable(true), Category("Behavior")] public ExpandDirection ExpandDirection { get { return (ExpandDirection) GetValue(ExpandDirectionProperty); } set { SetValue(ExpandDirectionProperty, value); } } ////// The DependencyProperty for the ExpandDirection property. /// Default Value: ExpandDirection.Down /// public static readonly DependencyProperty ExpandDirectionProperty = DependencyProperty.Register( "ExpandDirection", typeof(ExpandDirection), typeof(Expander), new FrameworkPropertyMetadata( ExpandDirection.Down /* default value */, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault), new ValidateValueCallback(IsValidExpandDirection)); private static bool IsValidExpandDirection(object o) { ExpandDirection value = (ExpandDirection)o; return (value == ExpandDirection.Down || value == ExpandDirection.Left || value == ExpandDirection.Right || value == ExpandDirection.Up); } ////// The DependencyProperty for the IsExpanded property. /// Default Value: false /// public static readonly DependencyProperty IsExpandedProperty = DependencyProperty.Register( "IsExpanded", typeof(bool), typeof(Expander), new FrameworkPropertyMetadata( BooleanBoxes.FalseBox /* default value */, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault | FrameworkPropertyMetadataOptions.Journal, new PropertyChangedCallback(OnIsExpandedChanged))); private static void OnIsExpandedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { Expander ep = (Expander) d; bool newValue = (bool) e.NewValue; // Fire accessibility event ExpanderAutomationPeer peer = UIElementAutomationPeer.FromElement(ep) as ExpanderAutomationPeer; if(peer != null) { peer.RaiseExpandCollapseAutomationEvent(!newValue, newValue); } if (newValue) { ep.OnExpanded(); } else { ep.OnCollapsed(); } } ////// IsExpanded indicates whether the expander is currently expanded. /// [Bindable(true), Category("Appearance")] public bool IsExpanded { get { return (bool) GetValue(IsExpandedProperty); } set { SetValue(IsExpandedProperty, BooleanBoxes.Box(value)); } } ////// Expanded event. /// public static readonly RoutedEvent ExpandedEvent = EventManager.RegisterRoutedEvent("Expanded", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(Expander) ); ////// Expanded event. It is fired when IsExpanded changed from false to true. /// public event RoutedEventHandler Expanded { add { AddHandler(ExpandedEvent, value); } remove { RemoveHandler(ExpandedEvent, value); } } ////// Collapsed event. /// public static readonly RoutedEvent CollapsedEvent = EventManager.RegisterRoutedEvent("Collapsed", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(Expander) ); ////// Collapsed event. It is fired when IsExpanded changed from true to false. /// public event RoutedEventHandler Collapsed { add { AddHandler(CollapsedEvent, value); } remove { RemoveHandler(CollapsedEvent, value); } } #endregion //-------------------------------------------------------------------- // // Protected Methods // //-------------------------------------------------------------------- #region Protected Methods ////// A virtual function that is called when the IsExpanded property is changed to true. /// Default behavior is to raise an ExpandedEvent. /// protected virtual void OnExpanded() { RoutedEventArgs args = new RoutedEventArgs(); args.RoutedEvent =(Expander.ExpandedEvent); args.Source=this; RaiseEvent(args); } ////// A virtual function that is called when the IsExpanded property is changed to false. /// Default behavior is to raise a CollapsedEvent. /// protected virtual void OnCollapsed() { RaiseEvent(new RoutedEventArgs(Expander.CollapsedEvent, this)); } #endregion #region Accessibility ////// Creates AutomationPeer ( protected override AutomationPeer OnCreateAutomationPeer() { return new ExpanderAutomationPeer(this); } #endregion //------------------------------------------------------------------- // // Private Fields // //-------------------------------------------------------------------- #region Private Fields #endregion #region DTypeThemeStyleKey // Returns the DependencyObjectType for the registered ThemeStyleKey's default // value. Controls will override this method to return approriate types. internal override DependencyObjectType DTypeThemeStyleKey { get { return _dType; } } private static DependencyObjectType _dType; #endregion DTypeThemeStyleKey } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.) ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- RSAPKCS1SignatureFormatter.cs
- DocComment.cs
- SynchronizationLockException.cs
- ResXDataNode.cs
- Accessible.cs
- VisualBrush.cs
- ToolTipAutomationPeer.cs
- CurrencyManager.cs
- SystemIcmpV6Statistics.cs
- WindowsFormsSynchronizationContext.cs
- Int64Storage.cs
- DataGridViewRowContextMenuStripNeededEventArgs.cs
- SqlDuplicator.cs
- AttributeSetAction.cs
- PropertiesTab.cs
- UserPreferenceChangingEventArgs.cs
- CheckBoxPopupAdapter.cs
- TextEndOfParagraph.cs
- HtmlControlPersistable.cs
- EpmCustomContentSerializer.cs
- DrawTreeNodeEventArgs.cs
- SqlExpressionNullability.cs
- RemotingSurrogateSelector.cs
- ResourceDefaultValueAttribute.cs
- DataSourceProvider.cs
- IDReferencePropertyAttribute.cs
- TreeViewImageKeyConverter.cs
- ProviderConnectionPoint.cs
- SqlConnectionStringBuilder.cs
- InternalReceiveMessage.cs
- Membership.cs
- OracleParameter.cs
- DataServiceHostFactory.cs
- ApplicationDirectoryMembershipCondition.cs
- OleDbConnectionInternal.cs
- SerializationSectionGroup.cs
- WebBrowserDesigner.cs
- Tuple.cs
- GifBitmapEncoder.cs
- TextEditorSpelling.cs
- FontWeights.cs
- ExpressionDumper.cs
- SemanticTag.cs
- GridLengthConverter.cs
- ListViewPagedDataSource.cs
- OrderByBuilder.cs
- EventMappingSettings.cs
- FilteredReadOnlyMetadataCollection.cs
- Panel.cs
- ByeOperation11AsyncResult.cs
- MdImport.cs
- _AutoWebProxyScriptHelper.cs
- SamlSecurityToken.cs
- IisTraceWebEventProvider.cs
- ResourcesBuildProvider.cs
- LineSegment.cs
- RenderDataDrawingContext.cs
- cookiecontainer.cs
- Sentence.cs
- SQLMembershipProvider.cs
- EventHandlers.cs
- FieldToken.cs
- BrowserDefinitionCollection.cs
- AesManaged.cs
- Model3D.cs
- FormViewDeletedEventArgs.cs
- AssemblyAttributes.cs
- Underline.cs
- QueryContinueDragEventArgs.cs
- GridPatternIdentifiers.cs
- HuffModule.cs
- BufferedStream.cs
- SyndicationCategory.cs
- ListItemCollection.cs
- CurrentTimeZone.cs
- SqlFacetAttribute.cs
- TreeViewImageGenerator.cs
- MulticastDelegate.cs
- EncodingNLS.cs
- ResolveNameEventArgs.cs
- GetPolicyDetailsRequest.cs
- SystemFonts.cs
- XmlNamespaceManager.cs
- SymDocumentType.cs
- NotifyCollectionChangedEventArgs.cs
- DataKey.cs
- ListViewItem.cs
- OutputCacheProviderCollection.cs
- TimeManager.cs
- OrthographicCamera.cs
- SelectionPattern.cs
- ProxySimple.cs
- WindowsTokenRoleProvider.cs
- ReaderContextStackData.cs
- shaperfactoryquerycacheentry.cs
- ConnectionsZoneAutoFormat.cs
- RandomNumberGenerator.cs
- AxWrapperGen.cs
- TextRangeProviderWrapper.cs
- FontResourceCache.cs