Class DelegateCommand

Represents a class for the delegate command

Inheritance
System.Object
DelegateCommand
Implements
System.Windows.Input.ICommand
Namespace: Syncfusion.UI.Xaml.Utils
Assembly: Syncfusion.SfShared.UWP.dll
Syntax
[ClassReference(IsReviewed = false, ShouldInclude = false)]
public class DelegateCommand : Object, ICommand

Constructors

DelegateCommand(Action<Object>)

Initializes a new instance of the DelegateCommand class.

Declaration
public DelegateCommand(Action<object> executeAction)
Parameters
Type Name Description
System.Action<System.Object> executeAction

execute action
See Also

DelegateCommand(Action<Object>, Predicate<Object>)

Initializes a new instance of the DelegateCommand class.

Declaration
[ClassReference(IsReviewed = false)]
public DelegateCommand(Action<object> executeAction, Predicate<object> canExecute)
Parameters
Type Name Description
System.Action<System.Object> executeAction

execute action
System.Predicate<System.Object> canExecute

boolean value, indicates execute the command or not
See Also

Methods

CanExecute(Object)

Returns a value if can execute

Declaration
public bool CanExecute(object parameter)
Parameters
Type Name Description
System.Object parameter

The parameter to execute.
Returns
Type Description
System.Boolean

Returns a value whether to execute or not

Execute(Object)

Executes the parameter command

Declaration
public void Execute(object parameter)
Parameters
Type Name Description
System.Object parameter

parameter to execute

UpdateCanExecute()

Invokes event if can execute

Declaration
public void UpdateCanExecute()

Events

CanExecuteChanged

Occurs when value of CanExecute as changed

Declaration
public event EventHandler CanExecuteChanged
Event Type
Type
System.EventHandler

Implements

System.Windows.Input.ICommand

Extension Methods