DataGridColumnHeaderItemAutomationPeer Class

Reference

Definition

Namespace:: System.Windows.Automation.Peers

Assembly:: PresentationFramework.dll

Important

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Exposes the Header of a DataGridColumn that is in a DataGrid to UI Automation.

public ref class DataGridColumnHeaderItemAutomationPeer : System::Windows::Automation::Peers::ItemAutomationPeer, System::Windows::Automation::Provider::IInvokeProvider, System::Windows::Automation::Provider::IScrollItemProvider, System::Windows::Automation::Provider::ITransformProvider, System::Windows::Automation::Provider::IVirtualizedItemProvider

public class DataGridColumnHeaderItemAutomationPeer : System.Windows.Automation.Peers.ItemAutomationPeer, System.Windows.Automation.Provider.IInvokeProvider, System.Windows.Automation.Provider.IScrollItemProvider, System.Windows.Automation.Provider.ITransformProvider, System.Windows.Automation.Provider.IVirtualizedItemProvider

type DataGridColumnHeaderItemAutomationPeer = class
    inherit ItemAutomationPeer
    interface IInvokeProvider
    interface IScrollItemProvider
    interface ITransformProvider
    interface IVirtualizedItemProvider

Public Class DataGridColumnHeaderItemAutomationPeer
Inherits ItemAutomationPeer
Implements IInvokeProvider, IScrollItemProvider, ITransformProvider, IVirtualizedItemProvider

Inheritance: Object

DispatcherObject

AutomationPeer

ItemAutomationPeer
DataGridColumnHeaderItemAutomationPeer

Implements: IInvokeProvider IScrollItemProvider ITransformProvider IVirtualizedItemProvider

Constructors

DataGridColumnHeaderItemAutomationPeer(Object, DataGridColumn, DataGridColumnHeadersPresenterAutomationPeer)

Initializes a new instance of the DataGridColumnHeaderItemAutomationPeer class.

Properties

Dispatcher	Gets the Dispatcher this DispatcherObject is associated with. (Inherited from DispatcherObject)
EventsSource	Gets or sets an AutomationPeer that is reported to the automation client as a source for all the events that come from this AutomationPeer. (Inherited from AutomationPeer)
IsHwndHost	Gets a value that indicates whether the element that is associated with this AutomationPeer hosts `hwnds` in Windows Presentation Foundation (WPF). (Inherited from AutomationPeer)
Item	Gets the data item in the Items collection that is associated with this ItemAutomationPeer. (Inherited from ItemAutomationPeer)
ItemsControlAutomationPeer	Gets the ItemsControlAutomationPeer that is associated with the ItemsControl that holds the Items collection. (Inherited from ItemAutomationPeer)

Methods

CheckAccess()	Determines whether the calling thread has access to this DispatcherObject. (Inherited from DispatcherObject)
Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
GetAcceleratorKey()	Gets the accelerator key combinations for the element that is associated with the UI Automation peer. (Inherited from AutomationPeer)
GetAcceleratorKeyCore()	Gets the accelerator key for the UIElement that corresponds to the data item in the Items collection that is associated with this ItemAutomationPeer. (Inherited from ItemAutomationPeer)
GetAccessKey()	Gets the access key for the element that is associated with the automation peer. (Inherited from AutomationPeer)
GetAccessKeyCore()	Gets the access key for the UIElement that corresponds to the data item in the Items collection that is associated with this ItemAutomationPeer. (Inherited from ItemAutomationPeer)
GetAutomationControlType()	Gets the control type for the element that is associated with the UI Automation peer. (Inherited from AutomationPeer)
GetAutomationControlTypeCore()	Gets the control type for the header that is associated with this DataGridColumnHeaderItemAutomationPeer. This method is called by GetAutomationControlType().
GetAutomationId()	Gets the AutomationId of the element that is associated with the automation peer. (Inherited from AutomationPeer)
GetAutomationIdCore()	Gets the string that uniquely identifies the UIElement that corresponds to the data item in the Items collection that is associated with this ItemAutomationPeer. (Inherited from ItemAutomationPeer)
GetBoundingRectangle()	Gets the Rect object that represents the screen coordinates of the element that is associated with the automation peer. (Inherited from AutomationPeer)
GetBoundingRectangleCore()	Gets the Rect that represents the bounding rectangle of the specified UIElement. (Inherited from ItemAutomationPeer)
GetChildren()	Gets the collection of GetChildren() elements that are represented in the UI Automation tree as immediate child elements of the automation peer. (Inherited from AutomationPeer)
GetChildrenCore()	Gets the collection of child elements of the UIElement that corresponds to the data item in the Items collection that is associated with this ItemAutomationPeer. (Inherited from ItemAutomationPeer)
GetClassName()	Gets a name that is used with AutomationControlType, to differentiate the control that is represented by this AutomationPeer. (Inherited from AutomationPeer)
GetClassNameCore()	Gets a name that differentiates the header that is represented by this DataGridColumnHeaderItemAutomationPeer. This method is called by GetClassName().
GetClickablePoint()	Gets a Point on the element that is associated with the automation peer that responds to a mouse click. (Inherited from AutomationPeer)
GetClickablePointCore()	Gets a Point that represents the clickable space that is on the specified UIElement. (Inherited from ItemAutomationPeer)
GetControlledPeers()	Provides UI Automation with a list of elements affected or controlled by this AutomationPeer. (Inherited from AutomationPeer)
GetControlledPeersCore()	When overridden in a derived class, provides UI Automation with a list of elements affected or controlled by this AutomationPeer. (Inherited from AutomationPeer)
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetHeadingLevel()	(Inherited from AutomationPeer)
GetHeadingLevelCore()	(Inherited from ItemAutomationPeer)
GetHelpText()	Gets text that describes the functionality of the control that is associated with the automation peer. (Inherited from AutomationPeer)
GetHelpTextCore()	Gets the string that describes the functionality of the UIElement that corresponds to the data item in the Items collection that is associated with this ItemAutomationPeer. (Inherited from ItemAutomationPeer)
GetHostRawElementProviderCore()	Tells UI Automation where in the UI Automation tree to place the `hwnd` being hosted by a Windows Presentation Foundation (WPF) element. (Inherited from AutomationPeer)
GetItemStatus()	Gets text that conveys the visual status of the element that is associated with this automation peer. (Inherited from AutomationPeer)
GetItemStatusCore()	Gets a string that conveys the visual status of the specified UIElement. (Inherited from ItemAutomationPeer)
GetItemType()	Gets a string that describes what kind of item an object represents. (Inherited from AutomationPeer)
GetItemTypeCore()	Gets a human-readable string that contains the type of item that the specified UIElement represents. (Inherited from ItemAutomationPeer)
GetLabeledBy()	Gets the AutomationPeer for the Label that is targeted to the element. (Inherited from AutomationPeer)
GetLabeledByCore()	Gets the AutomationPeer for the Label that is targeted to the specified UIElement. (Inherited from ItemAutomationPeer)
GetLiveSetting()	Gets the notification characteristics of a live region that is associated with this automation peer. (Inherited from AutomationPeer)
GetLiveSettingCore()	Gets the notification characteristics of the live region for the UIElement that corresponds to the data item in the Items collection that is associated with this ItemAutomationPeer object. (Inherited from ItemAutomationPeer)
GetLocalizedControlType()	Gets a human-readable localized string that represents the AutomationControlType value for the control that is associated with this automation peer. (Inherited from AutomationPeer)
GetLocalizedControlTypeCore()	When overridden in a derived class, is called by GetLocalizedControlType(). (Inherited from AutomationPeer)
GetName()	Gets text that describes the element that is associated with this automation peer. (Inherited from AutomationPeer)
GetNameCore()	Gets the text label of the UIElement that corresponds to the data item in the Items collection that is associated with this ItemAutomationPeer. (Inherited from ItemAutomationPeer)
GetOrientation()	Gets a value that indicates the explicit control orientation, if any. (Inherited from AutomationPeer)
GetOrientationCore()	Gets a value that indicates whether the specified UIElement is laid out in a particular direction. (Inherited from ItemAutomationPeer)
GetParent()	Gets the AutomationPeer that is the parent of this AutomationPeer. (Inherited from AutomationPeer)
GetPattern(PatternInterface)	Returns the object that supports the specified control pattern of the element that is associated with this automation peer.
GetPeerFromPoint(Point)	Gets an AutomationPeer from the specified point. (Inherited from AutomationPeer)
GetPeerFromPointCore(Point)	When overridden in a derived class, is called from GetPeerFromPoint(Point). (Inherited from AutomationPeer)
GetPositionInSet()	Attempts to get the value of the PositionInSet property. (Inherited from AutomationPeer)
GetPositionInSetCore()	Gets the position of this item within a set. (Inherited from ItemAutomationPeer)
GetSizeOfSet()	Attempts to get the value of the SizeOfSet property. (Inherited from AutomationPeer)
GetSizeOfSetCore()	Gets the size of a set that contains this item. (Inherited from ItemAutomationPeer)
GetType()	Gets the Type of the current instance. (Inherited from Object)
HasKeyboardFocus()	Gets a value that indicates whether the element that is associated with this automation peer currently has keyboard focus. (Inherited from AutomationPeer)
HasKeyboardFocusCore()	Gets a value that indicates whether the specified UIElement currently has keyboard input focus. (Inherited from ItemAutomationPeer)
InvalidatePeer()	Triggers recalculation of the main properties of the AutomationPeer and raises the PropertyChanged notification to the Automation Client if the properties changed. (Inherited from AutomationPeer)
IsContentElement()	Gets a value that indicates whether the element that is associated with this automation peer contains data that is presented to the user. (Inherited from AutomationPeer)
IsContentElementCore()	Gets a value that indicates whether the element that is associated with this automation peer contains data that is presented to the user.
IsControlElement()	Gets a value that indicates whether the element is understood by the user as interactive or as contributing to the logical structure of the control in the GUI. (Inherited from AutomationPeer)
IsControlElementCore()	Gets a value that indicates whether the UIElement that is associated with this ItemAutomationPeer is understood by the end user as interactive. (Inherited from ItemAutomationPeer)
IsDialog()	(Inherited from AutomationPeer)
IsDialogCore()	(Inherited from ItemAutomationPeer)
IsEnabled()	Gets a value that indicates whether the element associated with this automation peer supports interaction. (Inherited from AutomationPeer)
IsEnabledCore()	Gets a value that indicates whether the specified UIElement can receive and send events. (Inherited from ItemAutomationPeer)
IsKeyboardFocusable()	Gets a value that indicates whether the element can accept keyboard focus. (Inherited from AutomationPeer)
IsKeyboardFocusableCore()	Gets a value that indicates whether the specified UIElement can accept keyboard focus. (Inherited from ItemAutomationPeer)
IsOffscreen()	Gets a value that indicates whether an element is off the screen. (Inherited from AutomationPeer)
IsOffscreenCore()	Gets a value that indicates whether the specified UIElement is off the screen. (Inherited from ItemAutomationPeer)
IsPassword()	Gets a value that indicates whether the element contains sensitive content. (Inherited from AutomationPeer)
IsPasswordCore()	Gets a value that indicates whether the specified UIElement contains protected content. (Inherited from ItemAutomationPeer)
IsRequiredForForm()	Gets a value that indicates whether the element that is associated with this peer must be completed on a form. (Inherited from AutomationPeer)
IsRequiredForFormCore()	Gets a value that indicates whether the specified UIElement is required to be completed on a form. (Inherited from ItemAutomationPeer)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
PeerFromProvider(IRawElementProviderSimple)	Gets an AutomationPeer for the specified IRawElementProviderSimple proxy. (Inherited from AutomationPeer)
ProviderFromPeer(AutomationPeer)	Gets the IRawElementProviderSimple for the specified AutomationPeer. (Inherited from AutomationPeer)
RaiseAsyncContentLoadedEvent(AsyncContentLoadedEventArgs)	Called by the AutomationPeer to raise the AsyncContentLoadedEvent event. (Inherited from AutomationPeer)
RaiseAutomationEvent(AutomationEvents)	Raises an automation event. (Inherited from AutomationPeer)
RaiseNotificationEvent(AutomationNotificationKind, AutomationNotificationProcessing, String, String)	(Inherited from AutomationPeer)
RaisePropertyChangedEvent(AutomationProperty, Object, Object)	Raises an event to notify the automation client of a changed property value. (Inherited from AutomationPeer)
ResetChildrenCache()	Synchronously resets the tree of child elements by calling GetChildrenCore(). (Inherited from AutomationPeer)
SetFocus()	Sets the keyboard focus on the element that is associated with this automation peer. (Inherited from AutomationPeer)
SetFocusCore()	Sets the keyboard input focus on the specified UIElement. The UIElement corresponds to the data item in the Items collection that is associated with this ItemAutomationPeer. (Inherited from ItemAutomationPeer)
ToString()	Returns a string that represents the current object. (Inherited from Object)
VerifyAccess()	Enforces that the calling thread has access to this DispatcherObject. (Inherited from DispatcherObject)

Explicit Interface Implementations

IInvokeProvider.Invoke()	Sends a request to activate a control and initiate its single, unambiguous action.
IScrollItemProvider.ScrollIntoView()	Scrolls the header and column that is associated with the DataGridColumnHeaderItemAutomationPeer into view.
ITransformProvider.CanMove	Gets a value that specifies whether the column can be moved.
ITransformProvider.CanResize	Gets a value that specifies whether the column can be resized.
ITransformProvider.CanRotate	Gets a value that specifies whether the control can be rotated.
ITransformProvider.Move(Double, Double)	Throws an exception in all cases.
ITransformProvider.Resize(Double, Double)	Resizes the width of the column that is associated with the DataGridColumnHeaderItemAutomationPeer.
ITransformProvider.Rotate(Double)	Throws an exception in all cases.
IVirtualizedItemProvider.Realize()	Makes the virtual column fully accessible as a UI Automation element.

Applies to

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