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

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- XmlMemberMapping.cs
- AutomationElementCollection.cs
- ClientBuildManager.cs
- formatter.cs
- NewArrayExpression.cs
- SmtpNetworkElement.cs
- StrokeFIndices.cs
- ApplicationServicesHostFactory.cs
- FontUnitConverter.cs
- CodeRemoveEventStatement.cs
- SessionStateUtil.cs
- figurelength.cs
- X509CertificateStore.cs
- CryptoKeySecurity.cs
- IriParsingElement.cs
- BamlLocalizableResourceKey.cs
- CodePageUtils.cs
- SqlUDTStorage.cs
- SchemaUtility.cs
- TagPrefixAttribute.cs
- COM2FontConverter.cs
- ListBoxItemWrapperAutomationPeer.cs
- RenderCapability.cs
- WebServiceMethodData.cs
- PointUtil.cs
- StateFinalizationActivity.cs
- IndexOutOfRangeException.cs
- SqlIdentifier.cs
- ListSortDescription.cs
- TaskCanceledException.cs
- VarInfo.cs
- TextServicesCompartmentContext.cs
- Trustee.cs
- DependencyPropertyDescriptor.cs
- IntPtr.cs
- SchemaNames.cs
- IntSecurity.cs
- ExpressionBinding.cs
- DebugView.cs
- ResourceDefaultValueAttribute.cs
- Matrix3DStack.cs
- CustomMenuItemCollection.cs
- WebPartHelpVerb.cs
- ToolStripEditorManager.cs
- MailWebEventProvider.cs
- CollectionViewGroupRoot.cs
- IxmlLineInfo.cs
- FontFaceLayoutInfo.cs
- Timer.cs
- CultureInfoConverter.cs
- PerformanceCounterManager.cs
- HttpClientCertificate.cs
- XmlQueryOutput.cs
- EntityContainerEntitySet.cs
- TableProvider.cs
- AttachedPropertyBrowsableForChildrenAttribute.cs
- LinqDataSourceHelper.cs
- XmlSchemaObjectTable.cs
- ValueProviderWrapper.cs
- ReceiveMessageContent.cs
- Maps.cs
- WindowPatternIdentifiers.cs
- ToolStripControlHost.cs
- NavigationExpr.cs
- ArrayList.cs
- WindowsFont.cs
- SemanticResultKey.cs
- DeploymentExceptionMapper.cs
- InvokePattern.cs
- AssociationEndMember.cs
- MobileCapabilities.cs
- UserControlAutomationPeer.cs
- URLAttribute.cs
- CompositeScriptReference.cs
- WebControlsSection.cs
- JumpList.cs
- OleStrCAMarshaler.cs
- GcHandle.cs
- ColorAnimationUsingKeyFrames.cs
- ComPlusSynchronizationContext.cs
- XmlSortKey.cs
- UnsafeNativeMethods.cs
- ErrorActivity.cs
- ReferencedCategoriesDocument.cs
- DynamicDocumentPaginator.cs
- CompilationUnit.cs
- LayoutInformation.cs
- ExceptionDetail.cs
- OrCondition.cs
- TemplatedWizardStep.cs
- RegexParser.cs
- StringBuilder.cs
- PropertyGridCommands.cs
- FunctionMappingTranslator.cs
- DataGridViewColumnStateChangedEventArgs.cs
- EventProperty.cs
- ObjectListItemCollection.cs
- AddDataControlFieldDialog.cs
- HttpHandlerAction.cs
- InputEventArgs.cs