Class SelectionService

Manages the selection of diagram entities.

Inheritance
System.Object
SelectionService
Namespace: Telerik.Windows.Diagrams.Core
Assembly: Telerik.Windows.Diagrams.Core.dll

Syntax

public class SelectionService : Object, ISelectionService<IDiagramItem>

Constructors

SelectionService()

Initializes a new instance of the SelectionService class.

Declaration
public SelectionService()

Properties

SelectedConnections

Gets the selected connections.

Declaration
public IEnumerable<IConnection> SelectedConnections { get; }
Property Value
System.Collections.Generic.IEnumerable<IConnection>

The selected connections.
Implements

SelectedItems

Gets the currently selected diagram entities.

Declaration
public IEnumerable<IDiagramItem> SelectedItems { get; }
Property Value
System.Collections.Generic.IEnumerable<IDiagramItem>

Implements

SelectedItemsCount

Gets the selected items count.

Declaration
public int SelectedItemsCount { get; }
Property Value
System.Int32

Implements

SelectedShapes

Gets the currently selected diagram shapes.

Declaration
public IEnumerable<IShape> SelectedShapes { get; }
Property Value
System.Collections.Generic.IEnumerable<IShape>

Implements

Methods

ClearSelection()

Clears the selection.

Declaration
public virtual void ClearSelection()
Implements

DeselectItem(IDiagramItem)

Deselects the item.

Declaration
public virtual void DeselectItem(IDiagramItem item)
Parameters
IDiagramItem item

The item.
Implements

DeselectItems(IEnumerable<IDiagramItem>)

Deselects the items.

Declaration
public virtual void DeselectItems(IEnumerable<IDiagramItem> items)
Parameters
System.Collections.Generic.IEnumerable<IDiagramItem> items

The items.
Implements

GetSelectionBounds(Boolean, Boolean)

Recalculates the selection bounding box.

Declaration
public Rect GetSelectionBounds(bool isGraphVirtualized = false, bool actualBounds = false)
Parameters
System.Boolean isGraphVirtualized

System.Boolean actualBounds

Returns
System.Windows.Rect

Implements

IsSingleSelected(IDiagramItem)

Determines whether [is single selected] [the specified item].

Declaration
public bool IsSingleSelected(IDiagramItem item)
Parameters
IDiagramItem item

The item.
Returns
System.Boolean

true if [is single selected] [the specified item]; otherwise, false.
Implements

SelectItem(IDiagramItem, Boolean)

Selects the given item.

Declaration
public virtual void SelectItem(IDiagramItem item, bool addToExistingSelection = false)
Parameters
IDiagramItem item

The item.
System.Boolean addToExistingSelection

If set to true the current selection will be expanded with the given items.
Implements

SelectItems(IEnumerable<IDiagramItem>, Boolean)

Selects the given items.

Declaration
public virtual void SelectItems(IEnumerable<IDiagramItem> items, bool addToExistingSelection = false)
Parameters
System.Collections.Generic.IEnumerable<IDiagramItem> items

The items to select.
System.Boolean addToExistingSelection

If set to true the current selection will be expanded with the given items.
Implements

SelectNextItem(IList<IDiagramItem>, Boolean)

Selects the next item in an ordered collection based on the current selected items.

Declaration
public void SelectNextItem(IList<IDiagramItem> orderedItems, bool moveBackward)
Parameters
System.Collections.Generic.IList<IDiagramItem> orderedItems

System.Boolean moveBackward

Implements

SyncSelectedItems(IDiagramItem)

Syncs the selected items.

Declaration
public bool SyncSelectedItems(IDiagramItem model)
Parameters
IDiagramItem model

The model.
Returns
System.Boolean

True if item is added or removed from selectedItems, otherwise false.
Implements

Events

PreviewSelectionChanged

Occurs when [selection starts].

Declaration
public event EventHandler<DiagramSelectionChangedEventArgs> PreviewSelectionChanged
Event Type
System.EventHandler<DiagramSelectionChangedEventArgs>

Implements

SelectionChanged

Occurs when [selection ended].

Declaration
public event EventHandler<DiagramSelectionChangedEventArgs> SelectionChanged
Event Type
System.EventHandler<DiagramSelectionChangedEventArgs>

Implements

Extension Methods