Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Framework / System / Windows / DataTemplate.cs / 2 / DataTemplate.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: DataTemplate describes how to display a single data item. // // Specs: http://avalon/coreui/Specs%20%20Property%20Engine/Styling%20Revisited.doc // //--------------------------------------------------------------------------- using System.ComponentModel; using System.Windows.Controls; using System.Windows.Markup; namespace System.Windows { ////// DataTemplate describes how to display a single data item. /// [DictionaryKeyProperty("DataTemplateKey")] public class DataTemplate : FrameworkTemplate { #region Constructors //------------------------------------------------------------------- // // Constructors // //------------------------------------------------------------------- ////// DataTemplate Constructor /// public DataTemplate() { } ////// DataTemplate Constructor /// public DataTemplate(object dataType) { Exception ex = TemplateKey.ValidateDataType(dataType, "dataType"); if (ex != null) throw ex; _dataType = dataType; } #endregion Constructors #region Public Properties //-------------------------------------------------------------------- // // Public Properties // //------------------------------------------------------------------- ////// DataType for this DataTemplate. If the template is intended /// for object data, this is the Type of the data. If the /// template is intended for XML data, this is the tag name /// of the data (i.e. a string). /// [DefaultValue(null)] public object DataType { get { return _dataType; } set { Exception ex = TemplateKey.ValidateDataType(value, "value"); if (ex != null) throw ex; CheckSealed(); _dataType = value; } } ////// Collection of Triggers /// [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)] [DependsOn("VisualTree")] public TriggerCollection Triggers { get { if (_triggers == null) { _triggers = new TriggerCollection(); // If the template has been sealed prior to this the newly // created TriggerCollection also needs to be sealed if (IsSealed) { _triggers.Seal(); } } return _triggers; } } ////// The key that will be used if the DataTemplate is added to a /// ResourceDictionary in Xaml without a specified Key (x:Key). /// public object DataTemplateKey { get { return (DataType != null) ? new DataTemplateKey(DataType) : null; } } #endregion PublicProperties #region Internal Properties //-------------------------------------------------------------------- // // Internal Properties // //-------------------------------------------------------------------- // // TargetType for DataTemplate. This is override is // so FrameworkTemplate can see this property. // internal override Type TargetTypeInternal { get { return DefaultTargetType; } } // Subclasses must provide a way for the parser to directly set the // target type. For DataTemplate, this is not allowed. internal override void SetTargetTypeInternal(Type targetType) { throw new InvalidOperationException(SR.Get(SRID.TemplateNotTargetType)); } // // DataType for DataTemplate. This is override is // so FrameworkTemplate can see this property. // internal override object DataTypeInternal { get { return DataType; } } // // Collection of Triggers for a DataTemplate. This is // override is so FrameworkTemplate can see this property. // internal override TriggerCollection TriggersInternal { get { return Triggers; } } // Target type of DataTrigger is ContentPresenter static internal Type DefaultTargetType { get { return typeof(ContentPresenter); } } #endregion Internal Properties #region Protected Methods //------------------------------------------------------------------- // // Protected Methods // //-------------------------------------------------------------------- ////// Validate against the following rules /// 1. Must have a non-null feTemplatedParent /// 2. A DataTemplate must be applied to a ContentPresenter /// protected override void ValidateTemplatedParent(FrameworkElement templatedParent) { // Must have a non-null feTemplatedParent if (templatedParent == null) { throw new ArgumentNullException("templatedParent"); } // A DataTemplate must be applied to a ContentPresenter if (!(templatedParent is ContentPresenter)) { throw new ArgumentException(SR.Get(SRID.TemplateTargetTypeMismatch, "ContentPresenter", templatedParent.GetType().Name)); } } #endregion Protected Methods #region Data private object _dataType; private TriggerCollection _triggers; #endregion Data } } // 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. // // // Description: DataTemplate describes how to display a single data item. // // Specs: http://avalon/coreui/Specs%20%20Property%20Engine/Styling%20Revisited.doc // //--------------------------------------------------------------------------- using System.ComponentModel; using System.Windows.Controls; using System.Windows.Markup; namespace System.Windows { ////// DataTemplate describes how to display a single data item. /// [DictionaryKeyProperty("DataTemplateKey")] public class DataTemplate : FrameworkTemplate { #region Constructors //------------------------------------------------------------------- // // Constructors // //------------------------------------------------------------------- ////// DataTemplate Constructor /// public DataTemplate() { } ////// DataTemplate Constructor /// public DataTemplate(object dataType) { Exception ex = TemplateKey.ValidateDataType(dataType, "dataType"); if (ex != null) throw ex; _dataType = dataType; } #endregion Constructors #region Public Properties //-------------------------------------------------------------------- // // Public Properties // //------------------------------------------------------------------- ////// DataType for this DataTemplate. If the template is intended /// for object data, this is the Type of the data. If the /// template is intended for XML data, this is the tag name /// of the data (i.e. a string). /// [DefaultValue(null)] public object DataType { get { return _dataType; } set { Exception ex = TemplateKey.ValidateDataType(value, "value"); if (ex != null) throw ex; CheckSealed(); _dataType = value; } } ////// Collection of Triggers /// [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)] [DependsOn("VisualTree")] public TriggerCollection Triggers { get { if (_triggers == null) { _triggers = new TriggerCollection(); // If the template has been sealed prior to this the newly // created TriggerCollection also needs to be sealed if (IsSealed) { _triggers.Seal(); } } return _triggers; } } ////// The key that will be used if the DataTemplate is added to a /// ResourceDictionary in Xaml without a specified Key (x:Key). /// public object DataTemplateKey { get { return (DataType != null) ? new DataTemplateKey(DataType) : null; } } #endregion PublicProperties #region Internal Properties //-------------------------------------------------------------------- // // Internal Properties // //-------------------------------------------------------------------- // // TargetType for DataTemplate. This is override is // so FrameworkTemplate can see this property. // internal override Type TargetTypeInternal { get { return DefaultTargetType; } } // Subclasses must provide a way for the parser to directly set the // target type. For DataTemplate, this is not allowed. internal override void SetTargetTypeInternal(Type targetType) { throw new InvalidOperationException(SR.Get(SRID.TemplateNotTargetType)); } // // DataType for DataTemplate. This is override is // so FrameworkTemplate can see this property. // internal override object DataTypeInternal { get { return DataType; } } // // Collection of Triggers for a DataTemplate. This is // override is so FrameworkTemplate can see this property. // internal override TriggerCollection TriggersInternal { get { return Triggers; } } // Target type of DataTrigger is ContentPresenter static internal Type DefaultTargetType { get { return typeof(ContentPresenter); } } #endregion Internal Properties #region Protected Methods //------------------------------------------------------------------- // // Protected Methods // //-------------------------------------------------------------------- ////// Validate against the following rules /// 1. Must have a non-null feTemplatedParent /// 2. A DataTemplate must be applied to a ContentPresenter /// protected override void ValidateTemplatedParent(FrameworkElement templatedParent) { // Must have a non-null feTemplatedParent if (templatedParent == null) { throw new ArgumentNullException("templatedParent"); } // A DataTemplate must be applied to a ContentPresenter if (!(templatedParent is ContentPresenter)) { throw new ArgumentException(SR.Get(SRID.TemplateTargetTypeMismatch, "ContentPresenter", templatedParent.GetType().Name)); } } #endregion Protected Methods #region Data private object _dataType; private TriggerCollection _triggers; #endregion Data } } // 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
- CorrelationService.cs
- MailBnfHelper.cs
- CodeGenHelper.cs
- PtsPage.cs
- Cursor.cs
- KeyboardInputProviderAcquireFocusEventArgs.cs
- XPathEmptyIterator.cs
- BamlLocalizationDictionary.cs
- Image.cs
- TraceHandlerErrorFormatter.cs
- ListChunk.cs
- HierarchicalDataSourceControl.cs
- XhtmlBasicSelectionListAdapter.cs
- NegotiationTokenAuthenticatorState.cs
- PenContexts.cs
- StringPropertyBuilder.cs
- RoleGroupCollection.cs
- MasterPageParser.cs
- ContentElementAutomationPeer.cs
- AssociationProvider.cs
- DataGridPageChangedEventArgs.cs
- RemotingService.cs
- IdleTimeoutMonitor.cs
- safelink.cs
- DatatypeImplementation.cs
- RotateTransform.cs
- Perspective.cs
- ApplicationActivator.cs
- metadatamappinghashervisitor.cs
- NameObjectCollectionBase.cs
- NullRuntimeConfig.cs
- LineMetrics.cs
- ListBox.cs
- ImportRequest.cs
- PixelFormatConverter.cs
- CheckBox.cs
- MachineKey.cs
- UICuesEvent.cs
- Clause.cs
- RelativeSource.cs
- DoubleCollection.cs
- HostTimeoutsElement.cs
- ArrayHelper.cs
- MailMessageEventArgs.cs
- AutoResizedEvent.cs
- XmlSchemaObjectCollection.cs
- AdjustableArrowCap.cs
- DesignTimeXamlWriter.cs
- RequestedSignatureDialog.cs
- nulltextcontainer.cs
- DataBoundControlAdapter.cs
- ObjectHelper.cs
- RuntimeEnvironment.cs
- UrlMapping.cs
- DrawingGroup.cs
- DataGridViewControlCollection.cs
- BmpBitmapEncoder.cs
- RectIndependentAnimationStorage.cs
- ValidationError.cs
- Point3DIndependentAnimationStorage.cs
- EventHandlerList.cs
- BasePattern.cs
- IgnorePropertiesAttribute.cs
- _SSPIWrapper.cs
- DeflateEmulationStream.cs
- ConfigXmlAttribute.cs
- AbstractExpressions.cs
- UniqueIdentifierService.cs
- UIElementIsland.cs
- UriGenerator.cs
- CacheVirtualItemsEvent.cs
- RemoteWebConfigurationHostServer.cs
- PaginationProgressEventArgs.cs
- SQLInt16Storage.cs
- DesignerObject.cs
- PrintDialog.cs
- DispatchRuntime.cs
- CommandField.cs
- WindowsSecurityToken.cs
- FillErrorEventArgs.cs
- WorkflowTransactionService.cs
- SatelliteContractVersionAttribute.cs
- UriWriter.cs
- XmlDataFileEditor.cs
- ControlCachePolicy.cs
- HtmlLinkAdapter.cs
- ImportContext.cs
- TextRangeSerialization.cs
- ChannelManager.cs
- HttpRequest.cs
- XmlDomTextWriter.cs
- SynchronizationContext.cs
- Popup.cs
- TableAutomationPeer.cs
- ILGenerator.cs
- XmlCharCheckingWriter.cs
- Line.cs
- StorageFunctionMapping.cs
- ScalarOps.cs
- DbSetClause.cs