Class CompositeCommand

Represents a composite command.

Inheritance
System.Object
UndoableDelegateCommand
CompositeCommand
CompositeAsyncStateCommand
Inherited Members
Namespace: Telerik.Windows.Diagrams.Core
Assembly: Telerik.Windows.Diagrams.Core.dll

Syntax

public class CompositeCommand : UndoableDelegateCommand, ICommand

Constructors

CompositeCommand(String, Action<Object>, Action<Object>, Predicate<Object>)

Initializes a new instance of the CompositeCommand class.

Declaration
public CompositeCommand(string name, Action<object> execute = null, Action<object> undo = null, Predicate<object> canExecute = null)
Parameters
System.String name

The name or title of the composite action.
System.Action<System.Object> execute

The execute action.
System.Action<System.Object> undo

The undo action.
System.Predicate<System.Object> canExecute

The CanExecute action.

Properties

Commands

Gets the commands.

Declaration
public IEnumerable<ICommand> Commands { get; }
Property Value
System.Collections.Generic.IEnumerable<ICommand>

Methods

AddCommand(ICommand)

Adds a command to the composite command.

Declaration
public CompositeCommand AddCommand(ICommand command)
Parameters
ICommand command

Returns
CompositeCommand

CanExecute(Object)

Returns boolean value indicating whether this command can be executed.

Declaration
public override bool CanExecute(object state = null)
Parameters
System.Object state

Returns
System.Boolean

Overrides

Clear()

Clears the commands from the composite command.

Declaration
public CompositeCommand Clear()
Returns
CompositeCommand

Execute(Object)

Executes the specified state.

Declaration
public override void Execute(object state = null)
Parameters
System.Object state

Overrides

InsertCommand(Int32, ICommand)

Inserts a command into the composite command at specific index.

Declaration
public CompositeCommand InsertCommand(int position, ICommand command)
Parameters
System.Int32 position

ICommand command

Returns
CompositeCommand

Redo()

Executes and undoable action.

Declaration
public override void Redo()
Overrides

RemoveCommand(ICommand)

Removes a command from the composite command.

Declaration
public CompositeCommand RemoveCommand(ICommand command)
Parameters
ICommand command

The command.
Returns
CompositeCommand

Undo(Object)

Unwinds an undoable action.

Declaration
public override void Undo(object state = null)
Parameters
System.Object state

Overrides

Extension Methods