Class VisualUtils

Class that stores static methods that operate on visuals.

Inheritance

System.Object

VisualUtils

Namespace: Syncfusion.Windows.Shared

Assembly: Syncfusion.Shared.WPF.dll

Syntax

public sealed class VisualUtils : Object

Fields

RootPopupType

This member contains framework internal PopupRoot type.

Declaration

public static Type RootPopupType

Field Value

Type
System.Type

Methods

EnumChildrenOfType(Visual, Type)

Enumerates all visuals in the target visual tree that are instances of the specified type.

Declaration

public static IEnumerable<Visual> EnumChildrenOfType(Visual rootelement, Type typeChild)

Parameters

Type	Name	Description
System.Windows.Media.Visual	rootelement	Target element to search in.
System.Type	typeChild	Type of the children to find.

Returns

Type	Description
System.Collections.Generic.IEnumerable<System.Windows.Media.Visual>	Enumerator with children of the specified type.

Remarks

Enumeration of children that is done through the iterate

EnumLogicalChildrenOfType(DependencyObject, Type)

Enumerates all instances in the target element logical tree that are instances of the specified type.

Declaration

public static IEnumerable<DependencyObject> EnumLogicalChildrenOfType(DependencyObject rootelement, Type typeChild)

Parameters

Type	Name	Description
System.Windows.DependencyObject	rootelement	Target element to search in.
System.Type	typeChild	Type of the children to find.

Returns

Type	Description
System.Collections.Generic.IEnumerable<System.Windows.DependencyObject>	Enumerator with children of the specified type.

Remarks

Enumeration of children that is done through the iterate

FindAncestor(Visual, Type)

Looks for the visual ancestor of the specified type.

Declaration

public static Visual FindAncestor(Visual startingFrom, Type typeAncestor)

Parameters

Type	Name	Description
System.Windows.Media.Visual	startingFrom	System.Windows.Media.Visual the search is started from.
System.Type	typeAncestor	Desired type of the ancestor.

Returns

Type	Description
System.Windows.Media.Visual	System.Windows.Media.Visual of the specified type, or null if no ancestors of the specified type were found.

FindDescendant(Visual, String)

Looks for the visual Descendant of the specified type.

Declaration

public static Visual FindDescendant(Visual startingFrom, string typeNameDescendant)

Parameters

Type	Name	Description
System.Windows.Media.Visual	startingFrom	System.Windows.Media.Visual the search is started from.
System.String	typeNameDescendant	Name ofthe desired type of the Descendant element.

Returns

Type	Description
System.Windows.Media.Visual	System.Windows.Media.Visual of the specified type, or null if no Descendants of the specified type were found.

FindDescendant(Visual, Type)

Looks for the visual Descendant of the specified type.

Declaration

public static Visual FindDescendant(Visual startingFrom, Type typeDescendant)

Parameters

Type	Name	Description
System.Windows.Media.Visual	startingFrom	System.Windows.Media.Visual the search is started from.
System.Type	typeDescendant	Desired type of the Descendant element.

Returns

Type	Description
System.Windows.Media.Visual	System.Windows.Media.Visual of the specified type, or null if no Descendants of the specified type were found.

FindLogicalAncestor(Visual, Type)

Finds the logical ancestor.

Declaration

public static Visual FindLogicalAncestor(Visual startingFrom, Type typeAncestor)

Parameters

Type	Name	Description
System.Windows.Media.Visual	startingFrom	The starting from.
System.Type	typeAncestor	The type ancestor.

Returns

Type
System.Windows.Media.Visual

FindRootVisual(Visual)

Looks for the root visual starting from the specified one.

Declaration

public static Visual FindRootVisual(Visual startingFrom)

Parameters

Type	Name	Description
System.Windows.Media.Visual	startingFrom	Specified System.Windows.Media.Visual element from which search for root visual starts.

Returns

Type	Description
System.Windows.Media.Visual	System.Windows.Media.Visual that represents root visual.

FindSomeParent(FrameworkElement, Type)

Looks for the logical ancestor of the specified type.

Declaration

public static FrameworkElement FindSomeParent(FrameworkElement rootelement, Type typeParent)

Parameters

Type	Name	Description
System.Windows.FrameworkElement	rootelement	System.Windows.FrameworkElement the search is started from.
System.Type	typeParent	Desired type of the parent.

Returns

Type	Description
System.Windows.FrameworkElement	Object of the specified type, or null if no ancestors of the specified type were found.

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
System.Windows.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.

GetItemsControlFromChildren(FrameworkElement)

Finds parent items control for given element.

Declaration

public static ItemsControl GetItemsControlFromChildren(FrameworkElement element)

Parameters

Type	Name	Description
System.Windows.FrameworkElement	element

Returns

Type
System.Windows.Controls.ItemsControl

GetItemsPanel(ItemsControl, Type)

Gets the items panel of corresponding items control.

Declaration

public static Panel GetItemsPanel(ItemsControl owner, Type panelType)

Parameters

Type	Name	Description
System.Windows.Controls.ItemsControl	owner	The owner.
System.Type	panelType	Type of the panel.

Returns

Type
System.Windows.Controls.Panel

GetPageFromChildren(FrameworkElement)

Finds parent Page object through given element.

Declaration

public static Page GetPageFromChildren(FrameworkElement element)

Parameters

Type	Name	Description
System.Windows.FrameworkElement	element	The element.

Returns

Type
System.Windows.Controls.Page

GetPointRelativeTo(UIElement, UIElement)

Gets the point relative to.

Declaration

public static Point GetPointRelativeTo(UIElement visual, UIElement relativeTo)

Parameters

Type	Name	Description
System.Windows.UIElement	visual	The visual.
System.Windows.UIElement	relativeTo	The relative to.

Returns

Type	Description
System.Windows.Point	Return point value.

GetWindowFromChildren(FrameworkElement)

Finds parent Window object through given element.

Declaration

public static Window GetWindowFromChildren(FrameworkElement element)

Parameters

Type	Name	Description
System.Windows.FrameworkElement	element

Returns

Type
System.Windows.Window

HasChildOfType(Visual, Type)

This method gets a value indicating whether the current element contains a child of specified type.

Declaration

public static bool HasChildOfType(Visual rootelEment, Type searchType)

Parameters

Type	Name	Description
System.Windows.Media.Visual	rootelEment	The root element.
System.Type	searchType	Specified type

Returns

Type	Description
System.Boolean	Result of searching.

InvalidateParentMeasure(FrameworkElement)

Invalidates measurement of the element parent.

Declaration

public static void InvalidateParentMeasure(FrameworkElement element)

Parameters

Type	Name	Description
System.Windows.FrameworkElement	element	Element of parent.

IsDescendant(DependencyObject, DependencyObject)

Indicates whether node element contains in some element.

Declaration

public static bool IsDescendant(DependencyObject reference, DependencyObject node)

Parameters

Type	Name	Description
System.Windows.DependencyObject	reference	Root element.
System.Windows.DependencyObject	node	Node element

Returns

Type	Description
System.Boolean	Value indicates when node element contains in some element.

PointToScreen(UIElement, Point)

Points to screen.

Declaration

public static Point PointToScreen(UIElement visual, Point point)

Parameters

Type	Name	Description
System.Windows.UIElement	visual	The visual value.
System.Windows.Point	point	The point value.

Returns

Type	Description
System.Windows.Point	Return the point value

SetDependencyPropertyUsedByAnimation(UIElement, DependencyProperty, Double)

This method stops animation and set new value on given dependency property of target element.

Declaration

public static void SetDependencyPropertyUsedByAnimation(UIElement targetElement, DependencyProperty dependencyProperty, double value)

Parameters

Type	Name	Description
System.Windows.UIElement	targetElement	Target element.
System.Windows.DependencyProperty	dependencyProperty	Given dependency property.
System.Double	value	New value to set.

SetDependencyPropretyUsedByAnimation(UIElement, DependencyProperty, Double)

This method stops animation and set new value on given dependency property of target element.

Declaration

public static void SetDependencyPropretyUsedByAnimation(UIElement targetElement, DependencyProperty dependencyProperty, double value)

Parameters

Type	Name	Description
System.Windows.UIElement	targetElement	Target element.
System.Windows.DependencyProperty	dependencyProperty	Given dependency property.
System.Double	value	New value to set.