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DelegateCommand

Class

Provides a simple ICommand implementation.

Definition

Assembly:Telerik.WinControls.RichTextEditor.dll

Syntax:

public class DelegateCommand : ICommand

Inheritance: objectDelegateCommand

Implements: ICommand

Initializes a new instance of the DelegateCommand class.

public DelegateCommand(Action<object> execute, Predicate<object> canExecute)

Parameters:executeAction<object>

The execute action.

The can execute predicate.

Initializes a new instance of the DelegateCommand class.

public DelegateCommand(Action<object> execute)

Parameters:executeAction<object>

The execute action.

Defines the method that determines whether the command can execute in its current state.

public bool CanExecute(object parameter)

Parameters:parameterobject

Data used by the command. If the command does not require data to be passed, this object can be set to null.

Returns:

True if this command can be executed, otherwise - false.

Defines the method to be called when the command is invoked.

public void Execute(object parameter)

Parameters:parameterobject

Data used by the command. If the command does not require data to be passed, this object can be set to null.

Raises the CanExecuteChanged event.

public void InvalidateCanExecute()

Occurs when changes occur that affect whether the command should execute.

public event EventHandler CanExecuteChanged