Command Constructors
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
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
- 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
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
- Action
An Action to execute when the Command is executed.
A Func<TResult> indicating if the Command can be executed.
Remarks
Whenever the value returned by canExecute has changed, a call to ChangeCanExecute() is required to trigger 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
A Func<T,TResult> indicating if the Command can be executed.
Remarks
Whenever the value returned by canExecute has changed, a call to ChangeCanExecute() is required to trigger CanExecuteChanged.