ExpanderBar Class
Provides abstract base expander pane container management functionality.
public abstract class ExpanderBar : Selector- Inheritance:
- object Visual UIElement FrameworkElement Control ItemsControl Selector object
- Derived:
- ExplorerBar NavigationBar
Constructors
ExpanderBar()
Initializes an instance of the class.
protected ExpanderBar()Properties
CanExpandMultiple
Indicates whether multiple child Expander objects can be expanded at any given time.
public bool CanExpandMultiple { get; set; }Property Value
Methods
GetContainerForItemOverride()
Creates or identifies the element that is used to display the given item.
protected override DependencyObject GetContainerForItemOverride()Returns
- DependencyObject:
The element that is used to display the given item.
InitializeSelection()
Initializes the selection after a template is applied.
protected virtual void InitializeSelection()IsItemItsOwnContainerOverride(object)
Determines if the specified item is (or is eligible to be) its own container.
protected override bool IsItemItsOwnContainerOverride(object item)| Parameter | Type | Description |
|---|---|---|
| item | object | The item to check. |
Returns
- bool:
trueif the item is (or is eligible to be) its own container; otherwise,false.
OnApplyTemplate()
When overridden in a derived class, is invoked whenever application code or internal processes call ApplyTemplate().
public override void OnApplyTemplate()OnCreateAutomationPeer()
Returns class-specific AutomationPeer implementations for the Windows Presentation Foundation (WPF) infrastructure.
protected override AutomationPeer? OnCreateAutomationPeer()Returns
- AutomationPeer:
The type-specific AutomationPeer implementation.
OnSelectionChanged(SelectionChangedEventArgs)
Called when the selection changes.
protected override void OnSelectionChanged(SelectionChangedEventArgs e)| Parameter | Type | Description |
|---|---|---|
| e | SelectionChangedEventArgs | The event data. |
Fields
CanExpandMultipleProperty
Defines the CanExpandMultiple property.
public static readonly DependencyProperty CanExpandMultipleProperty