Command<T> Class

Definition

Namespace:: Xamarin.Forms

Assembly:: Xamarin.Forms.Core.dll

Important

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Defines an System.Windows.Input.ICommand implementation wrapping a generic Action<T>.

public sealed class Command<T> : Xamarin.Forms.Command

type Command<'T> = class
    inherit Command

Type Parameters

T

The Type of the parameter,

Inheritance: System.Object

Command
Command<T>

Remarks

The following example creates a new Command and sets it to a button.

var command = new Command<string> (s => Debug.WriteLine ("Command executed: {0}", s));
var button = new Button {
  Text = "Hit me to execute the command",
  Command = command,
  CommandParameter = "button0",
};

Constructors

Name	Description
Command<T>(Action<T>, Func<T,Boolean>)	Initializes a new instance of the Command class.
Command<T>(Action<T>)	Initializes a new instance of the Command class.

Methods

Name	Description
CanExecute(Object)	Returns a System.Boolean indicating if the Command can be exectued with the given parameter. (Inherited from Command)
ChangeCanExecute()	Send a System.Windows.Input.ICommand.CanExecuteChanged (Inherited from Command)
Execute(Object)	Invokes the execute Action (Inherited from Command)

Events

Name	Description
CanExecuteChanged	Occurs when the target of the Command should reevaluate whether or not the Command can be executed. (Inherited from Command)

Applies to