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CompositeCommand

Class

Represents a composite command.

Definition

Namespace:Telerik.Windows.Diagrams.Core

Assembly:Telerik.WinControls.RadDiagram.dll

Syntax:

public class CompositeCommand : UndoableDelegateCommand, ICommand

Inheritance: objectUndoableDelegateCommandCompositeCommand

Derived Classes: CompositeAsyncStateCommand

Implements: ICommand

Inherited Members UndoableDelegateCommand.Name

Constructors

CompositeCommand(string, Action<object>, Action<object>, Predicate<object>)

Initializes a new instance of the CompositeCommand class.

public CompositeCommand(string name, Action<object> execute = null, Action<object> undo = null, Predicate<object> canExecute = null)

Parameters:namestring

The name or title of the composite action.

executeAction<object>

The execute action.

undoAction<object>

The undo action.

canExecutePredicate<object>

The CanExecute action.

Properties

Commands

IEnumerable<ICommand>

Gets the commands.

public IEnumerable<ICommand> Commands { get; }

Methods

AddCommand(ICommand)

Adds a command to the composite command.

public CompositeCommand AddCommand(ICommand command)

Parameters:commandICommandReturns:

CompositeCommand

CanExecute(object)

Returns boolean value indicating whether this command can be executed.

public override bool CanExecute(object state = null)

Parameters:stateobjectReturns:

bool

Overrides: UndoableDelegateCommand.CanExecute(object)

Clear()

Clears the commands from the composite command.

public CompositeCommand Clear()

Returns:

CompositeCommand

Execute(object)

Executes the specified state.

public override void Execute(object state = null)

Parameters:stateobject

Overrides: UndoableDelegateCommand.Execute(object)

InsertCommand(int, ICommand)

Inserts a command into the composite command at specific index.

public CompositeCommand InsertCommand(int position, ICommand command)

Parameters:positionintcommandICommandReturns:

CompositeCommand

Redo()

Executes and undoable action.

public override void Redo()

Overrides: UndoableDelegateCommand.Redo()

RemoveCommand(ICommand)

Removes a command from the composite command.

public CompositeCommand RemoveCommand(ICommand command)

Parameters:commandICommand

The command.

Returns:

CompositeCommand

Undo(object)

Unwinds an undoable action.

public override void Undo(object state = null)

Parameters:stateobject

Overrides: UndoableDelegateCommand.Undo(object)