Class VisualUtil

Represents a class that provides various helper methods used to find the child and parent of visual object from visual tree.

Inheritance

System.Object

VisualUtil

Namespace: Syncfusion.UI.Xaml.Controls.Navigation

Assembly: Syncfusion.SfMenu.UWP.dll

Syntax

[ClassReference(IsReviewed = false)]
public static class VisualUtil : Object

Methods

FindAncestor(DependencyObject, Type)

Finds the ancestor.

Declaration

public static DependencyObject FindAncestor(DependencyObject startingFrom, Type ancestorType)

Parameters

Type	Name	Description
Windows.UI.Xaml.DependencyObject	startingFrom	The starting from.
System.Type	ancestorType	The ancestor type.

Returns

Type	Description
Windows.UI.Xaml.DependencyObject	Parent of logical child

FindDescendant(DependencyObject, Type)

To get the Visual child elements

Declaration

public static DependencyObject FindDescendant(DependencyObject startingFrom, Type typeDescendant)

Parameters

Type	Name	Description
Windows.UI.Xaml.DependencyObject	startingFrom	The starting from.
System.Type	typeDescendant	The descendant type.

Returns

Type	Description
Windows.UI.Xaml.DependencyObject	Child of logical parent

FindVisualParent<T>(DependencyObject)

Finds a parent of a given item on the visual tree.

Declaration

public static T FindVisualParent<T>(DependencyObject child)
    where T : DependencyObject

Parameters

Type	Name	Description
Windows.UI.Xaml.DependencyObject	child	A direct or indirect child of the queried item.

Returns

Type	Description
T	The first parent item that matches the submitted type parameter. If not matching item can be found, a null reference is being returned.

Type Parameters

Name	Description
T	The type of the queried item.

GetVisualDescendants(DependencyObject)

Helps to find the descendant elements of the provided visual object by searching in visual tree.

Declaration

public static IEnumerable<DependencyObject> GetVisualDescendants(this DependencyObject element)

Parameters

Type	Name	Description
Windows.UI.Xaml.DependencyObject	element	The element of the parent

Returns

Type	Description
System.Collections.Generic.IEnumerable<Windows.UI.Xaml.DependencyObject>	Child of logical parent