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TraversalRequest Class
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TraversalRequest Class

Represents a request to move focus to another control.


Namespace:  System.Windows.Input
Assembly:  WindowsBase (in WindowsBase.dll)

public class TraversalRequest

The TraversalRequest type exposes the following members.

Public methodTraversalRequestInitializes a new instance of the TraversalRequest class.

Public propertyFocusNavigationDirectionGets the traversal direction.
Public propertyWrapped Gets or sets a value that indicates whether focus traversal has reached the end of child elements that can have focus.

Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)

This class is used as an input parameter for the UIElement.MoveFocus method. The MoveFocus method has a WPF framework-level override that provides a more practical implementation (FrameworkElement.MoveFocus), as well as a parallel implementation on ContentElement and FrameworkContentElement. You typically will set properties on TraversalRequest in order to customize the focusing behavior when you request that the focus be moved to another element.

This class is also used as input parameters for the following methods:

The following example creates a TraversalRequest instance as input for a FrameworkElement.MoveFocus call.

// Creating a FocusNavigationDirection object and setting it to a 
// local field that contains the direction selected.
FocusNavigationDirection focusDirection = _focusMoveValue;

// MoveFocus takes a TraveralReqest as its argument.
TraversalRequest request = new TraversalRequest(focusDirection);

// Gets the element with keyboard focus.
UIElement elementWithFocus = Keyboard.FocusedElement as UIElement;

// Change keyboard focus. 
if (elementWithFocus != null)

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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