public CommandBase(ICanExecuteRequeryStrategy strategy = null)
{
this.CanExecuteRequeryStrategy = strategy;
if (this.CanExecuteRequeryStrategy != null)
{
this.CanExecuteRequeryStrategy.RegisterCommand(this);
}
}
public DelegateCommand(Action executed, Func <bool> canExecute, ICanExecuteRequeryStrategy strategy = null)
: base(strategy)
{
if (executed == null)
{
throw new ArgumentNullException(nameof(executed));
}
this._canExecute = canExecute;
this._executed = executed;
}
protected DelegateCommand(ICanExecuteRequeryStrategy strategy)
: base(strategy)
{
}
public AsyncDelegateCommand(Func <T, Task> execute, Func <T, Task <bool> > canExecute, ICanExecuteRequeryStrategy strategy)
: base(true, strategy)
{
if (canExecute == null)
{
throw new ArgumentNullException(nameof(canExecute));
}
this._execute = execute;
this._canExecuteAsync = canExecute;
}
public AsyncDelegateCommand(Func <T, Task> execute, Func <T, bool> canExecute = null, ICanExecuteRequeryStrategy strategy = null)
: base(false, strategy)
{
this._execute = execute;
this._canExecute = canExecute;
this.IsEnabled = this._canExecute == null;
}
public AsyncCommand(bool asyncCanExecute, ICanExecuteRequeryStrategy strategy)
: base(strategy)
{
this.IsEnabled = false;
this._asyncCanExecute = asyncCanExecute;
}
