Command Constructors
Definition
Important
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Overloads
| Command(Action) |
Initializes a new instance of the Command class. |
| Command(Action<Object>) |
Initializes a new instance of the Command class. |
| Command(Action, Func<Boolean>) |
Initializes a new instance of the Command class. |
| Command(Action<Object>, Func<Object,Boolean>) |
Initializes a new instance of the Command class. |
Command(Action)
Initializes a new instance of the Command class.
public Command (Action execute);new Xamarin.Forms.Command : Action -> Xamarin.Forms.CommandParameters
- execute
- System.Action
An Action to execute when the Command is executed.
Applies to
Command(Action<Object>)
Initializes a new instance of the Command class.
public Command (Action<object> execute);new Xamarin.Forms.Command : Action<obj> -> Xamarin.Forms.CommandParameters
- execute
- System.Action<System.Object>
An Action<object> to execute when the Command is executed.
Remarks
The Action will be executed with a parameter.
Applies to
Command(Action, Func<Boolean>)
Initializes a new instance of the Command class.
public Command (Action execute, Func<bool> canExecute);new Xamarin.Forms.Command : Action * Func<bool> -> Xamarin.Forms.CommandParameters
- execute
- System.Action
An Action to execute when the Command is executed.
- canExecute
- System.Func<System.Boolean>
A System.Func`1 indicating if the Command can be executed.
Remarks
Whenever the value returned by canExecute has changed, a call to ChangeCanExecute() is required to trigger System.Windows.Input.ICommand.CanExecuteChanged.
Applies to
Command(Action<Object>, Func<Object,Boolean>)
Initializes a new instance of the Command class.
public Command (Action<object> execute, Func<object,bool> canExecute);new Xamarin.Forms.Command : Action<obj> * Func<obj, bool> -> Xamarin.Forms.CommandParameters
- execute
- System.Action<System.Object>
An Action<object> to execute when the Command is executed.
- canExecute
- System.Func<System.Object,System.Boolean>
A System.Func`2 indicating if the Command can be executed.
Remarks
Whenever the value returned by canExecute has changed, a call to ChangeCanExecute() is required to trigger System.Windows.Input.ICommand.CanExecuteChanged.