Class DropDownContentManager

Represents a class that provides interaction with the DropDown element of RadMultiColumnComboBox.

Inheritance
System.Object
DropDownContentManager
GridViewDropDownContentManager
Namespace: Telerik.Windows.Controls.MultiColumnComboBox
Assembly: Telerik.Windows.Controls.GridView.dll

Syntax

public abstract class DropDownContentManager : Object

Constructors

DropDownContentManager()

Declaration
protected DropDownContentManager()

Properties

DropDownElement

Gets the DropDown element.

Declaration
public abstract FrameworkElement DropDownElement { get; }
Property Value
System.Windows.FrameworkElement

Owner

Gets the owner RadMultiColumnComboBox.

Declaration
public abstract RadMultiColumnComboBox Owner { get; }
Property Value
RadMultiColumnComboBox

Methods

CleanUp()

Clean event subscriptions and other used resources.

Declaration
public virtual void CleanUp()

Initialize(Popup)

Initializes properties and wires events.

Declaration
public void Initialize(Popup dropDownPopup)
Parameters
System.Windows.Controls.Primitives.Popup dropDownPopup

InitializeDropDownContent(Popup)

Finds the DropDown element in the visual tree and initializes the DropDownElement property.

Declaration
public virtual void InitializeDropDownContent(Popup dropDownPopup)
Parameters
System.Windows.Controls.Primitives.Popup dropDownPopup

InitializeSelectionBridge()

Initializes SelectionBridge that synchronizes selection between Owner and DropDownElement.

Declaration
public abstract ISelectionBridge InitializeSelectionBridge()
Returns
ISelectionBridge

OnCollectionViewCollectionChanged(QueryableCollectionView)

Invoked on CollectionView.CollectionChanged event occurrence.

Declaration
public abstract void OnCollectionViewCollectionChanged(QueryableCollectionView collectionView)
Parameters
QueryableCollectionView collectionView

OnMouseDown(Object, MouseButtonEventArgs)

Invoked on MouseButtonDown event occurrence.

Declaration
public abstract void OnMouseDown(object sender, MouseButtonEventArgs args)
Parameters
System.Object sender

System.Windows.Input.MouseButtonEventArgs args

OnMouseUp(Object, MouseButtonEventArgs)

Invoked on MouseButtonUp event occurrence.

Declaration
public abstract void OnMouseUp(object sender, MouseButtonEventArgs args)
Parameters
System.Object sender

System.Windows.Input.MouseButtonEventArgs args

OnPreviewMouseDown(Object, MouseButtonEventArgs)

Invoked on PreviewMouseButtonDown event occurrence.

Declaration
public abstract void OnPreviewMouseDown(object sender, MouseButtonEventArgs args)
Parameters
System.Object sender

System.Windows.Input.MouseButtonEventArgs args

RefreshDropDownElement()

Refreshes the DropDownElement UI.

Declaration
public abstract void RefreshDropDownElement()

SetSelectionMode()

Sets the DropDownElement SelectionMode in accordance to the one of the Owner.

Declaration
public abstract void SetSelectionMode()

Extension Methods