Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Controls / Primitives / MultiSelector.cs / 1305600 / MultiSelector.cs
//---------------------------------------------------------------------------- // // Copyright (C) Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System; using System.ComponentModel; using System.Collections; using System.Collections.ObjectModel; namespace System.Windows.Controls.Primitives { ////// Extends the Selector class by adding a multi selection support. /// public abstract class MultiSelector : Selector { ////// Returns whether or not multiple items can be selected /// protected bool CanSelectMultipleItems { get { return base.CanSelectMultiple; } set { base.CanSelectMultiple = value; } } ////// Returns the collection of currently Selected Items. /// Note, this is not the set of items that are pending selection. /// Exceptions: /// While IsUpdatingSelectedItems, using the indexer, Insert, and RemoveAt will throw InvalidOperationExceptions. /// If CanSelectMultiple is false then Adding one item to SelectedItems is valid but adding items after that is invalid and will result in an InvalidOperationException. /// [Bindable(true), Category("Appearance"), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)] public IList SelectedItems { get { return SelectedItemsImpl; } } #region BulkSelection ////// Starts a new selection transaction, setting IsUpdatingSelectedItems to true. /// Exceptions: InvalidOperationException if IsUpdatingSelectedItems is true. /// protected void BeginUpdateSelectedItems() { ((SelectedItemCollection)SelectedItems).BeginUpdateSelectedItems(); } ////// Commits a selection transaction, populating or removing items from the SelectedItems collection and resets IsUpdatingSelectedItems to false. /// Exceptions: InvalidOperationException if IsUpdatingSelectedItems is false /// protected void EndUpdateSelectedItems() { ((SelectedItemCollection)SelectedItems).EndUpdateSelectedItems(); } ////// Returns true if SelectedItems is being updated using the deferred update behavior. /// Otherwise, it is false and updating SelectedItems is immediate. /// Calling BeginUpdateSelectedItems will set this value to become true. /// Calling EndUpdateSelectedItems will cause the deferred selections to be submitted and this value to become false. /// protected bool IsUpdatingSelectedItems { get { return ((SelectedItemCollection)SelectedItems).IsUpdatingSelectedItems; } } ////// Select all the items /// Exceptions: InvalidOperationExcpetion if CanSelectMultipleItems is false /// public void SelectAll() { if (CanSelectMultipleItems) { SelectAllImpl(); } else { throw new NotSupportedException(SR.Get(SRID.MultiSelectorSelectAll)); } } ////// Clears all of the selected items. /// public void UnselectAll() { UnselectAllImpl(); } #endregion BulkSelection } } // 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
- LayoutSettings.cs
- ContextConfiguration.cs
- FlowDocumentFormatter.cs
- EventDescriptor.cs
- ToolStripItemClickedEventArgs.cs
- TableHeaderCell.cs
- TabItem.cs
- RegionData.cs
- ArgIterator.cs
- CopyOnWriteList.cs
- ListenerElementsCollection.cs
- HeaderElement.cs
- Literal.cs
- VariableQuery.cs
- SplineQuaternionKeyFrame.cs
- MemberDescriptor.cs
- ContextMenu.cs
- SortKey.cs
- PageSetupDialog.cs
- BamlResourceDeserializer.cs
- HttpPostServerProtocol.cs
- MatrixCamera.cs
- Oid.cs
- ProfilePropertyNameValidator.cs
- AndMessageFilterTable.cs
- NamedElement.cs
- Site.cs
- SspiHelper.cs
- FlowDocumentPaginator.cs
- UdpRetransmissionSettings.cs
- InternalTypeHelper.cs
- ConsoleCancelEventArgs.cs
- ValueTypePropertyReference.cs
- FontSource.cs
- DialogWindow.cs
- CompositionTarget.cs
- ValidatorCompatibilityHelper.cs
- EnumValidator.cs
- RenderData.cs
- InternalControlCollection.cs
- MenuItemBindingCollection.cs
- ScriptingJsonSerializationSection.cs
- AuthenticationConfig.cs
- XmlWhitespace.cs
- ByeMessageCD1.cs
- WebRequestModuleElementCollection.cs
- OuterGlowBitmapEffect.cs
- X509Extension.cs
- CodePageEncoding.cs
- SystemUnicastIPAddressInformation.cs
- OleDbEnumerator.cs
- IndexedGlyphRun.cs
- MenuItemStyleCollection.cs
- SafeNativeMethods.cs
- NegotiateStream.cs
- AuthenticationService.cs
- GroupStyle.cs
- DataSourceHelper.cs
- Math.cs
- SortKey.cs
- GenericFlowSwitchHelper.cs
- Application.cs
- UriSchemeKeyedCollection.cs
- PerformanceCountersBase.cs
- DoubleCollection.cs
- DataGridLinkButton.cs
- SymbolMethod.cs
- GeometryGroup.cs
- SystemColorTracker.cs
- HtmlFormParameterReader.cs
- SafeBitVector32.cs
- DbProviderFactories.cs
- HttpCacheVary.cs
- StateMachine.cs
- MemberMaps.cs
- ChameleonKey.cs
- AuthStoreRoleProvider.cs
- DataControlImageButton.cs
- DrawingAttributeSerializer.cs
- ProjectionCamera.cs
- XmlSerializationReader.cs
- DesignTimeResourceProviderFactoryAttribute.cs
- DataKeyPropertyAttribute.cs
- SecUtil.cs
- RightsManagementUser.cs
- ClientTargetCollection.cs
- RemotingConfigParser.cs
- _HeaderInfo.cs
- WorkflowDefinitionDispenser.cs
- _Rfc2616CacheValidators.cs
- ConvertTextFrag.cs
- CategoryAttribute.cs
- XmlSchemaDatatype.cs
- BindUriHelper.cs
- DocumentXPathNavigator.cs
- Perspective.cs
- SocketElement.cs
- SmtpException.cs
- Timeline.cs
- UidManager.cs