CommandFactory.Create Method
Definition
Important
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Overloads
Create(Action)
Initializes Xamarin.Forms.Command
public static Xamarin.Forms.Command Create(Action execute);Parameters
- execute
- System.Action
The Function executed when Execute is called. This does not check canExecute before executing and will execute even if canExecute is false
Returns
Xamarin.Forms.Command
Applies to
Create(Action<Object>)
Initializes Xamarin.Forms.Command
public static Xamarin.Forms.Command Create(Action<object> execute);Parameters
- execute
- System.Action<System.Object>
The Function executed when Execute is called. This does not check canExecute before executing and will execute even if canExecute is false
Returns
Xamarin.Forms.Command
Applies to
Create(Func<Task>)
Initializes a new instance of IAsyncCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncCommand Create(Func<System.Threading.Tasks.Task> execute);Parameters
- execute
- System.Func<System.Threading.Tasks.Task>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
Returns
IAsyncCommand
Applies to
Create(Action, Func<Boolean>)
Initializes Xamarin.Forms.Command
public static Xamarin.Forms.Command Create(Action execute, Func<bool> canExecute);Parameters
- execute
- System.Action
The Function executed when Execute is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<System.Boolean>
Returns
Xamarin.Forms.Command
Applies to
Create(Action<Object>, Func<Object,Boolean>)
Initializes Xamarin.Forms.Command
public static Xamarin.Forms.Command Create(Action<object> execute, Func<object,bool> canExecute);Parameters
- execute
- System.Action<System.Object>
The Function executed when Execute is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<System.Object,System.Boolean>
Returns
Xamarin.Forms.Command
Applies to
Create(Func<Task>, Func<Boolean>)
Initializes a new instance of IAsyncCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncCommand Create(Func<System.Threading.Tasks.Task> execute, Func<bool> canExecute);Parameters
- execute
- System.Func<System.Threading.Tasks.Task>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
Returns
IAsyncCommand
Applies to
Create(Func<Task>, Func<Object,Boolean>)
Initializes a new instance of IAsyncCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncCommand Create(Func<System.Threading.Tasks.Task> execute, Func<object,bool>? canExecute);Parameters
- execute
- System.Func<System.Threading.Tasks.Task>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<System.Object,System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
Returns
IAsyncCommand
Applies to
Create(Func<Task>, Func<Boolean>, Action<Exception>, Boolean, Boolean)
Initializes a new instance of IAsyncCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncCommand Create(Func<System.Threading.Tasks.Task> execute, Func<bool> canExecute, Action<Exception>? onException = default, bool continueOnCapturedContext = false, bool allowsMultipleExecutions = true);Parameters
- execute
- System.Func<System.Threading.Tasks.Task>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
- onException
- System.Action<System.Exception>
If an exception is thrown in the Task, onException will execute. If onException is null, the exception will be re-thrown
- continueOnCapturedContext
- System.Boolean
If set to true continue on captured context; this will ensure that the Synchronization Context returns to the calling thread. If set to false continue on a different context; this will allow the Synchronization Context to continue on a different thread
- allowsMultipleExecutions
- System.Boolean
Returns
IAsyncCommand
Applies to
Create(Func<Task>, Func<Object,Boolean>, Action<Exception>, Boolean, Boolean)
Initializes a new instance of IAsyncCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncCommand Create(Func<System.Threading.Tasks.Task> execute, Func<object,bool>? canExecute = default, Action<Exception>? onException = default, bool continueOnCapturedContext = false, bool allowsMultipleExecutions = true);Parameters
- execute
- System.Func<System.Threading.Tasks.Task>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<System.Object,System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
- onException
- System.Action<System.Exception>
If an exception is thrown in the Task, onException will execute. If onException is null, the exception will be re-thrown
- continueOnCapturedContext
- System.Boolean
If set to true continue on captured context; this will ensure that the Synchronization Context returns to the calling thread. If set to false continue on a different context; this will allow the Synchronization Context to continue on a different thread
- allowsMultipleExecutions
- System.Boolean
Returns
IAsyncCommand
Applies to
Create(Func<ValueTask>, Func<Boolean>, Action<Exception>, Boolean, Boolean)
Initializes a new instance of AsyncValueCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncValueCommand Create(Func<System.Threading.Tasks.ValueTask> execute, Func<bool> canExecute, Action<Exception>? onException = default, bool continueOnCapturedContext = false, bool allowsMultipleExecutions = true);Parameters
- execute
- System.Func<System.Threading.Tasks.ValueTask>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
- onException
- System.Action<System.Exception>
If an exception is thrown in the Task, onException will execute. If onException is null, the exception will be re-thrown
- continueOnCapturedContext
- System.Boolean
If set to true continue on captured context; this will ensure that the Synchronization Context returns to the calling thread. If set to false continue on a different context; this will allow the Synchronization Context to continue on a different thread
- allowsMultipleExecutions
- System.Boolean
Returns
IAsyncValueCommand
Applies to
Create(Func<ValueTask>, Func<Object,Boolean>, Action<Exception>, Boolean, Boolean)
Initializes a new instance of AsyncValueCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncValueCommand Create(Func<System.Threading.Tasks.ValueTask> execute, Func<object,bool>? canExecute = default, Action<Exception>? onException = default, bool continueOnCapturedContext = false, bool allowsMultipleExecutions = true);Parameters
- execute
- System.Func<System.Threading.Tasks.ValueTask>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<System.Object,System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
- onException
- System.Action<System.Exception>
If an exception is thrown in the Task, onException will execute. If onException is null, the exception will be re-thrown
- continueOnCapturedContext
- System.Boolean
If set to true continue on captured context; this will ensure that the Synchronization Context returns to the calling thread. If set to false continue on a different context; this will allow the Synchronization Context to continue on a different thread
- allowsMultipleExecutions
- System.Boolean
Returns
IAsyncValueCommand
Applies to
Create<T>(Action<T>, Func<T,Boolean>)
Initializes Xamarin.Forms.CommandT
public static Xamarin.Forms.Command<T> Create<T>(Action<T> execute, Func<T,bool> canExecute);Type Parameters
- T
Parameters
- execute
- System.Action<T>
The Function executed when Execute is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<T,System.Boolean>
Returns
Xamarin.Forms.CommandT
Applies to
Create<T>(Action<T>)
Initializes Xamarin.Forms.CommandT
public static Xamarin.Forms.Command<T> Create<T>(Action<T> execute);Type Parameters
- T
Parameters
- execute
- System.Action<T>
The Function executed when Execute is called. This does not check canExecute before executing and will execute even if canExecute is false
Returns
Xamarin.Forms.CommandT
Applies to
Create<TExecute,TCanExecute>(Func<TExecute,Task>, Func<TCanExecute,Boolean>)
Initializes a new instance of IAsyncCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncCommand<TExecute,TCanExecute>? Create<TExecute,TCanExecute>(Func<TExecute,System.Threading.Tasks.Task>? execute, Func<TCanExecute,bool>? canExecute);Type Parameters
- TExecute
- TCanExecute
Parameters
- execute
- System.Func<TExecute,System.Threading.Tasks.Task>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<TCanExecute,System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
Returns
IAsyncCommand
Applies to
Create<TExecute,TCanExecute>(Func<TExecute,Task>, Func<TCanExecute,Boolean>, Action<Exception>, Boolean, Boolean)
Initializes a new instance of IAsyncCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncCommand<TExecute,TCanExecute>? Create<TExecute,TCanExecute>(Func<TExecute,System.Threading.Tasks.Task>? execute, Func<TCanExecute,bool> canExecute = default, Action<Exception>? onException = default, bool continueOnCapturedContext = false, bool allowsMultipleExecutions = true);Type Parameters
- TExecute
- TCanExecute
Parameters
- execute
- System.Func<TExecute,System.Threading.Tasks.Task>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<TCanExecute,System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
- onException
- System.Action<System.Exception>
If an exception is thrown in the Task, onException will execute. If onException is null, the exception will be re-thrown
- continueOnCapturedContext
- System.Boolean
If set to true continue on captured context; this will ensure that the Synchronization Context returns to the calling thread. If set to false continue on a different context; this will allow the Synchronization Context to continue on a different thread
- allowsMultipleExecutions
- System.Boolean
Returns
IAsyncCommand
Applies to
Create<TExecute,TCanExecute>(Func<TExecute,ValueTask>, Func<TCanExecute,Boolean>, Action<Exception>, Boolean, Boolean)
Initializes a new instance of AsyncValueCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncValueCommand<TExecute,TCanExecute>? Create<TExecute,TCanExecute>(Func<TExecute,System.Threading.Tasks.ValueTask>? execute, Func<TCanExecute,bool> canExecute = default, Action<Exception>? onException = default, bool continueOnCapturedContext = false, bool allowsMultipleExecutions = true);Type Parameters
- TExecute
- TCanExecute
Parameters
- execute
- System.Func<TExecute,System.Threading.Tasks.ValueTask>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<TCanExecute,System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
- onException
- System.Action<System.Exception>
If an exception is thrown in the Task, onException will execute. If onException is null, the exception will be re-thrown
- continueOnCapturedContext
- System.Boolean
If set to true continue on captured context; this will ensure that the Synchronization Context returns to the calling thread. If set to false continue on a different context; this will allow the Synchronization Context to continue on a different thread
- allowsMultipleExecutions
- System.Boolean
Returns
IAsyncValueCommand>
Applies to
Create<TExecute>(Func<TExecute,Task>)
Initializes a new instance of IAsyncCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncCommand<TExecute> Create<TExecute>(Func<TExecute,System.Threading.Tasks.Task>? execute);Type Parameters
- TExecute
Parameters
- execute
- System.Func<TExecute,System.Threading.Tasks.Task>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
Returns
IAsyncCommand
Applies to
Create<TExecute>(Func<TExecute,Task>, Func<Boolean>)
Initializes a new instance of IAsyncCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncCommand<TExecute> Create<TExecute>(Func<TExecute,System.Threading.Tasks.Task>? execute, Func<bool> canExecute);Type Parameters
- TExecute
Parameters
- execute
- System.Func<TExecute,System.Threading.Tasks.Task>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
Returns
IAsyncCommand
Applies to
Create<TExecute>(Func<TExecute,Task>, Func<Object,Boolean>)
Initializes a new instance of IAsyncCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncCommand<TExecute> Create<TExecute>(Func<TExecute,System.Threading.Tasks.Task>? execute, Func<object,bool>? canExecute);Type Parameters
- TExecute
Parameters
- execute
- System.Func<TExecute,System.Threading.Tasks.Task>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<System.Object,System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
Returns
IAsyncCommand
Applies to
Create<TExecute>(Func<TExecute,Task>, Func<Boolean>, Action<Exception>, Boolean, Boolean)
Initializes a new instance of IAsyncCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncCommand<TExecute> Create<TExecute>(Func<TExecute,System.Threading.Tasks.Task>? execute, Func<bool> canExecute, Action<Exception>? onException = default, bool continueOnCapturedContext = false, bool allowsMultipleExecutions = true);Type Parameters
- TExecute
Parameters
- execute
- System.Func<TExecute,System.Threading.Tasks.Task>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
- onException
- System.Action<System.Exception>
If an exception is thrown in the Task, onException will execute. If onException is null, the exception will be re-thrown
- continueOnCapturedContext
- System.Boolean
If set to true continue on captured context; this will ensure that the Synchronization Context returns to the calling thread. If set to false continue on a different context; this will allow the Synchronization Context to continue on a different thread
- allowsMultipleExecutions
- System.Boolean
Returns
IAsyncCommandTExecute
Applies to
Create<TExecute>(Func<TExecute,Task>, Func<Object,Boolean>, Action<Exception>, Boolean, Boolean)
Initializes a new instance of IAsyncCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncCommand<TExecute>? Create<TExecute>(Func<TExecute,System.Threading.Tasks.Task>? execute, Func<object,bool> canExecute = default, Action<Exception>? onException = default, bool continueOnCapturedContext = false, bool allowsMultipleExecutions = true);Type Parameters
- TExecute
Parameters
- execute
- System.Func<TExecute,System.Threading.Tasks.Task>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<System.Object,System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
- onException
- System.Action<System.Exception>
If an exception is thrown in the Task, onException will execute. If onException is null, the exception will be re-thrown
- continueOnCapturedContext
- System.Boolean
If set to true continue on captured context; this will ensure that the Synchronization Context returns to the calling thread. If set to false continue on a different context; this will allow the Synchronization Context to continue on a different thread
- allowsMultipleExecutions
- System.Boolean
Returns
IAsyncCommandTExecute
Applies to
Create<TExecute>(Func<TExecute,ValueTask>, Func<Boolean>, Action<Exception>, Boolean, Boolean)
Initializes a new instance of AsyncValueCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncValueCommand<TExecute> Create<TExecute>(Func<TExecute,System.Threading.Tasks.ValueTask>? execute, Func<bool> canExecute, Action<Exception>? onException = default, bool continueOnCapturedContext = false, bool allowsMultipleExecutions = true);Type Parameters
- TExecute
Parameters
- execute
- System.Func<TExecute,System.Threading.Tasks.ValueTask>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
- onException
- System.Action<System.Exception>
If an exception is thrown in the Task, onException will execute. If onException is null, the exception will be re-thrown
- continueOnCapturedContext
- System.Boolean
If set to true continue on captured context; this will ensure that the Synchronization Context returns to the calling thread. If set to false continue on a different context; this will allow the Synchronization Context to continue on a different thread
- allowsMultipleExecutions
- System.Boolean
Returns
IAsyncValueCommandTExecute
Applies to
Create<TExecute>(Func<TExecute,ValueTask>, Func<Object,Boolean>, Action<Exception>, Boolean, Boolean)
Initializes a new instance of AsyncValueCommand
public static Xamarin.CommunityToolkit.ObjectModel.IAsyncValueCommand<TExecute>? Create<TExecute>(Func<TExecute,System.Threading.Tasks.ValueTask>? execute, Func<object,bool> canExecute = default, Action<Exception>? onException = default, bool continueOnCapturedContext = false, bool allowsMultipleExecutions = true);Type Parameters
- TExecute
Parameters
- execute
- System.Func<TExecute,System.Threading.Tasks.ValueTask>
The Function executed when Execute or ExecuteAsync is called. This does not check canExecute before executing and will execute even if canExecute is false
- canExecute
- System.Func<System.Object,System.Boolean>
The Function that verifies whether or not AsyncCommand should execute.
- onException
- System.Action<System.Exception>
If an exception is thrown in the Task, onException will execute. If onException is null, the exception will be re-thrown
- continueOnCapturedContext
- System.Boolean
If set to true continue on captured context; this will ensure that the Synchronization Context returns to the calling thread. If set to false continue on a different context; this will allow the Synchronization Context to continue on a different thread
- allowsMultipleExecutions
- System.Boolean
Returns
IAsyncValueCommandTExecute