/// <summary>
/// Instantiates a new RelayCommand with a delegate to be executed when the command is called, and a predicate to check if the command can be called.
/// </summary>
/// <param name="execute">The method to be exeucted when the command is called.</param>
/// <param name="canExecute">The predicate to check if the command is callable.</param>
public RelayCommand(ExecuteMethod execute, CanExecuteMethod canExecute)
{
if (execute == null)
{
throw new ArgumentNullException("execute");
}
_execute = execute;
_canExecute = canExecute;
}
public DelegateCommand(ExcuteMethod <T> executeMethod, CanExecuteMethod <T> canExecuteMethod)
{
this.executeMethod = executeMethod;
this.canExecuteMethod = canExecuteMethod;
}
/// <inheritdoc />
public override bool CanExecute(object parameter = null)
{
return(!IsExecuting && (CanExecuteMethod?.Invoke() ?? true));
}
public RemoveCommand(ExecuteMethod <T> executeRemove, CanExecuteMethod <T> canExecuteRemove)
{
this.executeRemove = executeRemove;
this.canExecuteRemove = canExecuteRemove;
}
public RelaySyncCommand(ExecuteMethod execute, CanExecuteMethod canExecute = null)
{
_execute = execute;
_canExecute = canExecute;
}