Class GroupService

Represents a group service.

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

Syntax

public class GroupService : Object, IGroupService

Constructors

GroupService()

Initializes a new instance of the GroupService class.

Declaration
public GroupService()

Properties

Groups

Gets the groups.

Declaration
public IEnumerable<IGroup> Groups { get; }
Property Value
System.Collections.Generic.IEnumerable<IGroup>

Implements

RootGroups

Gets the root groups.

Declaration
public IEnumerable<IGroup> RootGroups { get; }
Property Value
System.Collections.Generic.IEnumerable<IGroup>

Implements

SelectedGroups

Gets the selected groups.

Declaration
public IEnumerable<IGroup> SelectedGroups { get; }
Property Value
System.Collections.Generic.IEnumerable<IGroup>

Implements

Methods

ChangeGroup(IGroupable, IGroup, IGroup, Boolean)

Changes the group of an item.

Declaration
public void ChangeGroup(IGroupable item, IGroup oldGroup, IGroup newGroup, bool isInternalChanging)
Parameters
IGroupable item

The item.
IGroup oldGroup

The old group.
IGroup newGroup

The new group.
System.Boolean isInternalChanging

The is internal changing.
Implements

DiagramItemsChanged(NotifyCollectionChangedEventArgs)

Clears the empty groups on DiagramItemsChanged.

Declaration
public void DiagramItemsChanged(NotifyCollectionChangedEventArgs e)
Parameters
System.Collections.Specialized.NotifyCollectionChangedEventArgs e

The System.Collections.Specialized.NotifyCollectionChangedEventArgs instance containing the event data.
Implements

GetItemSiblings(IDiagramItem, Boolean)

Gets the siblings of the item.

Declaration
public IEnumerable<IDiagramItem> GetItemSiblings(IDiagramItem item, bool addToSelection)
Parameters
IDiagramItem item

The item.
System.Boolean addToSelection

The add to selection.
Returns
System.Collections.Generic.IEnumerable<IDiagramItem>

Implements

Group(String, IGroupable[])

Groups the specified items.

Declaration
public IGroup Group(string name = null, params IGroupable[] items)
Parameters
System.String name

The group name.
IGroupable[] items

The items.
Returns
IGroup

Implements

Group(IGroup, IGroupable[])

Groups the specified items in the provided group.

Declaration
public IGroup Group(IGroup hostGroup, params IGroupable[] items)
Parameters
IGroup hostGroup

The group.
IGroupable[] items

The items.
Returns
IGroup

Implements

OnItemParentGroupChanged(Object, PropertyEventArgs<IGroup>)

Called when item parent group changes.

Declaration
public void OnItemParentGroupChanged(object sender, PropertyEventArgs<IGroup> e)
Parameters
System.Object sender

The sender.
PropertyEventArgs<IGroup> e

The instance containing the event data.
Implements

Ungroup(IGroup)

Ungroups the specified group.

Declaration
public void Ungroup(IGroup group)
Parameters
IGroup group

The group.
Implements

Ungroup(IGroup[])

Ungroups the specified groups.

Declaration
public void Ungroup(IGroup[] groups)
Parameters
IGroup[] groups

The groups.
Implements

Events

GroupsChanged

Occurs when groups have changed.

Declaration
public event NotifyCollectionChangedEventHandler GroupsChanged
Event Type
System.Collections.Specialized.NotifyCollectionChangedEventHandler

Implements

Extension Methods