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
- ReferenceSchema.cs
- PersonalizationState.cs
- EventData.cs
- RsaSecurityTokenAuthenticator.cs
- safelink.cs
- CellPartitioner.cs
- ComponentGlyph.cs
- ValidatorCompatibilityHelper.cs
- ReferenceService.cs
- SrgsElement.cs
- TaskFileService.cs
- JournalNavigationScope.cs
- ObjRef.cs
- LineGeometry.cs
- DeclarativeCatalogPart.cs
- ReceiveCompletedEventArgs.cs
- DesignTableCollection.cs
- RecognizedPhrase.cs
- SrgsSemanticInterpretationTag.cs
- RecordConverter.cs
- KnownBoxes.cs
- SafeRightsManagementQueryHandle.cs
- Metafile.cs
- MergeLocalizationDirectives.cs
- FontSizeConverter.cs
- XmlElementAttribute.cs
- _AuthenticationState.cs
- StubHelpers.cs
- PageRanges.cs
- MediaPlayerState.cs
- OleDbParameter.cs
- FunctionImportMapping.ReturnTypeRenameMapping.cs
- WorkflowServiceOperationListItem.cs
- Rule.cs
- PaperSource.cs
- AssemblyCache.cs
- CapabilitiesUse.cs
- ServiceMemoryGates.cs
- StrokeCollectionDefaultValueFactory.cs
- TypeElementCollection.cs
- DataGridViewBand.cs
- WindowsFormsLinkLabel.cs
- EventMetadata.cs
- ColorConverter.cs
- UidManager.cs
- GeneralTransformCollection.cs
- Convert.cs
- Main.cs
- EncodingNLS.cs
- XamlToRtfWriter.cs
- XmlQualifiedName.cs
- PermissionSetEnumerator.cs
- Resources.Designer.cs
- PerformanceCounterPermissionEntryCollection.cs
- _NegoState.cs
- ObjectDataSourceSelectingEventArgs.cs
- SqlNamer.cs
- SrgsText.cs
- MemoryResponseElement.cs
- Win32KeyboardDevice.cs
- SoapIncludeAttribute.cs
- HandoffBehavior.cs
- LicenseException.cs
- QueryInterceptorAttribute.cs
- EventLogger.cs
- Metadata.cs
- DataSysAttribute.cs
- FixedSOMTextRun.cs
- FreeFormDragDropManager.cs
- CompatibleComparer.cs
- XamlTemplateSerializer.cs
- Component.cs
- ConnectionStringsExpressionBuilder.cs
- DataRowComparer.cs
- FakeModelItemImpl.cs
- CommandID.cs
- ECDsaCng.cs
- TablePatternIdentifiers.cs
- HTTPNotFoundHandler.cs
- RMEnrollmentPage3.cs
- XmlBinaryReader.cs
- XmlSchemaObjectTable.cs
- FixedSOMTableRow.cs
- TextSpan.cs
- StringDictionary.cs
- ToolZone.cs
- SuppressIldasmAttribute.cs
- SQLInt64.cs
- ModelProperty.cs
- SystemThemeKey.cs
- HostAdapter.cs
- EastAsianLunisolarCalendar.cs
- ApplicationId.cs
- DateTimeStorage.cs
- QilGeneratorEnv.cs
- HttpListenerContext.cs
- TypeSystem.cs
- ObjectHandle.cs
- selecteditemcollection.cs
- CodeMemberEvent.cs