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How to use RelayCommand class of AppUIBasics.Common package

Best WinAppDriver code snippet using AppUIBasics.Common.RelayCommand

RelayCommand.cs

Source:RelayCommand.cs

...3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using System.Windows.Input;7// Taken from: https://raw.githubusercontent.com/Microsoft/Windows-universal-samples/master/Samples/XamlUIBasics/cs/AppUIBasics/Common/RelayCommand.cs8namespace FluentFiles.Common9{10    /// <summary>11    /// A command whose sole purpose is to relay its functionality 12    /// to other objects by invoking delegates. 13    /// The default return value for the CanExecute method is 'true'.14    /// <see cref="RaiseCanExecuteChanged"/> needs to be called whenever15    /// <see cref="CanExecute"/> is expected to return a different value.16    /// </summary>17    public class RelayCommand : ICommand18    {19        private readonly Action _execute;20        private readonly Func<bool> _canExecute;21        /// <summary>22        /// Raised when RaiseCanExecuteChanged is called.23        /// </summary>24        public event EventHandler CanExecuteChanged;25        /// <summary>26        /// Creates a new command that can always execute.27        /// </summary>28        /// <param name="execute">The execution logic.</param>29        public RelayCommand(Action execute)30            : this(execute, null)31        {32        }33        /// <summary>34        /// Creates a new command.35        /// </summary>36        /// <param name="execute">The execution logic.</param>37        /// <param name="canExecute">The execution status logic.</param>38        public RelayCommand(Action execute, Func<bool> canExecute)39        {40            if (execute == null)41                throw new ArgumentNullException("execute");42            _execute = execute;43            _canExecute = canExecute;44        }45        /// <summary>46        /// Determines whether this <see cref="RelayCommand"/> can execute in its current state.47        /// </summary>48        /// <param name="parameter">49        /// Data used by the command. If the command does not require data to be passed, this object can be set to null.50        /// </param>51        /// <returns>true if this command can be executed; otherwise, false.</returns>52        public bool CanExecute(object parameter)53        {54            return _canExecute == null ? true : _canExecute();55        }56        /// <summary>57        /// Executes the <see cref="RelayCommand"/> on the current command target.58        /// </summary>59        /// <param name="parameter">60        /// Data used by the command. If the command does not require data to be passed, this object can be set to null.61        /// </param>62        public void Execute(object parameter)63        {64            _execute();65        }66        /// <summary>67        /// Method used to raise the <see cref="CanExecuteChanged"/> event68        /// to indicate that the return value of the <see cref="CanExecute"/>69        /// method has changed.70        /// </summary>71        public void RaiseCanExecuteChanged()72        {73            var handler = CanExecuteChanged;74            if (handler != null)75            {76                handler(this, EventArgs.Empty);77            }78        }79    }80    public class RelayCommand<T> : ICommand81    {82        private readonly Action<T> _execute;83        private readonly Predicate<T> _canExecute;84        /// <summary>85        ///     Occurs when changes occur that affect whether or not the command should execute.86        /// </summary>87        public event EventHandler CanExecuteChanged;88        /// <summary>89        ///     Initializes a new instance of <see cref="DelegateCommand{T}" />.90        /// </summary>91        /// <param name="execute">92        ///     Delegate to execute when Execute is called on the command.  This can be null to just hook up a93        ///     CanExecute delegate.94        /// </param>95        /// <remarks><seealso cref="CanExecute" /> will always return true.</remarks>96        public RelayCommand(Action<T> execute)97            : this(execute, null)98        {99        }100        /// <summary>101        ///     Creates a new command.102        /// </summary>103        /// <param name="execute">The execution logic.</param>104        /// <param name="canExecute">The execution status logic.</param>105        public RelayCommand(Action<T> execute, Predicate<T> canExecute)106        {107            if (execute == null)108                throw new ArgumentNullException("execute");109            _execute = execute;110            _canExecute = canExecute;111        }112        /// <summary>113        ///     Defines the method that determines whether the command can execute in its current state.114        /// </summary>115        /// <param name="parameter">116        ///     Data used by the command.  If the command does not require data to be passed, this object can117        ///     be set to null.118        /// </param>119        /// <returns>...

RelayCommand

Using AI Code Generation

1{2    {3        private readonly Action<object> _execute;4        private readonly Predicate<object> _canExecute;5        public RelayCommand(Action<object> execute, Predicate<object> canExecute)6        {7            _execute = execute;8            _canExecute = canExecute;9        }10        public RelayCommand(Action<object> execute) : this(execute, null) { }11        public bool CanExecute(object parameter)12        {13            return _canExecute == null ? true : _canExecute(parameter);14        }15        public void Execute(object parameter)16        {17            _execute(parameter);18        }19        public event EventHandler CanExecuteChanged;20    }21}22{23    {24        private static SampleDataSource _sampleDataSource = new SampleDataSource();25        private ObservableCollection<SampleDataItem> _allItems = new ObservableCollection<SampleDataItem>();26        {27            get { return this._allItems; }28        }29        public static async Task<IEnumerable<SampleDataItem>> GetItemsAsync()30        {31            await _sampleDataSource.GetSampleDataAsync();32            return _sampleDataSource.AllItems;33        }34        private async Task GetSampleDataAsync()35        {36            if (this._allItems.Count != 0)37                return;38            var file = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFileAsync(@"DataModel\SampleData.json");39            var jsonText = await Windows.Storage.FileIO.ReadTextAsync(file);40            var jsonObject = JsonConvert.DeserializeObject<ObservableCollection<SampleDataItem>>(jsonText);41            foreach (SampleDataItem item in jsonObject)42            {43                this.AllItems.Add(item);44            }45        }46        public static SampleDataItem GetItem(string uniqueId)47        {48            var matches = _sampleDataSource.AllItems.Where((item) => item.UniqueId.Equals(uniqueId));49            if (matches.Count() == 1) return matches.First();50            return null;51        }52    }53}54{55    {56        [JsonProperty("title")]57        public string Title { get;

RelayCommand

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using System.Windows.Input;7using Windows.UI.Xaml;8using Windows.UI.Xaml.Controls;9using Windows.UI.Xaml.Data;10using Windows.UI.Xaml.Documents;11using Windows.UI.Xaml.Input;12using Windows.UI.Xaml.Media;13using Windows.UI.Xaml.Navigation;14using AppUIBasics.Common;15using AppUIBasics.Data;16using AppUIBasics.ViewModels;17using Windows.UI.Xaml.Controls.Primitives;18{19    {20        public CommandBarPage()21        {22            this.InitializeComponent();23            this.DataContext = new CommandBarViewModel();24        }25        private void AppBarButton_Click(object sender, RoutedEventArgs e)26        {27            var button = sender as AppBarButton;28            if (button != null)29            {30                var flyout = button.Flyout as MenuFlyout;31                if (flyout != null)32                {33                    flyout.ShowAt(button);34                }35            }36        }37    }38}39using System;40using System.Collections.Generic;41using System.Collections.ObjectModel;42using System.Linq;43using System.Text;44using System.Threading.Tasks;45using AppUIBasics.Common;46using AppUIBasics.Data;47{48    {49        public ObservableCollection<SampleOrder> Source { get; set; }50        public CommandBarViewModel()51        {52            Source = SampleDataSource.GetGroup("Group-4").Items;53        }54    }55}56using System;57using System.Collections.Generic;58using System.Linq;59using System.Text;60using System.Threading.Tasks;61{62    {63        public string OrderNumber { get; set; }

RelayCommand

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using System.Windows.Input;7using AppUIBasics.Common;8{9    {10        private ICommand _clickCommand;11        {12            {13                if (_clickCommand == null)14                {15                    _clickCommand = new RelayCommand(ClickCommandExecute);16                }17                return _clickCommand;18            }19        }20        private void ClickCommandExecute(object parameter)21        {22        }23    }24}25using System;26using System.Collections.Generic;27using System.Linq;28using System.Text;29using System.Threading.Tasks;30using System.Windows.Input;31using AppUIBasics.Common;32{33    {34        private ICommand _clickCommand;35        {36            {37                if (_clickCommand == null)38                {39                    _clickCommand = new RelayCommand(ClickCommandExecute, ClickCommandCanExecute);40                }41                return _clickCommand;42            }43        }44        private void ClickCommandExecute(object parameter)45        {46        }47        private bool ClickCommandCanExecute(object parameter)48        {49            return true;50        }51    }52}53using System;54using System.Collections.Generic;55using System.Linq;56using System.Text;57using System.Threading.Tasks;58using System.Windows.Input;59using AppUIBasics.Common;60{61    {62        private ICommand _clickCommand;63        {64            {65                if (_clickCommand == null)66                {67                    _clickCommand = new RelayCommand(ClickCommandExecute, ClickCommandCanExecute);68                }69                return _clickCommand;70            }71        }72        private void ClickCommandExecute(object parameter)73        {74        }75        private bool ClickCommandCanExecute(object parameter)76        {77            return false;78        }79    }80}81using System;82using System.Collections.Generic;83using System.Linq;

RelayCommand

Using AI Code Generation

1{2    private RelayCommand _command;3    {4        {5            return _command ?? (_command = new RelayCommand(6                p => DoSomething(),7                p => CanDoSomething()8                ));9        }10    }11    private bool CanDoSomething()12    {13        return true;14    }15    private void DoSomething()16    {17    }18}19{20    private RelayCommand _command;21    {22        {23            return _command ?? (_command = new RelayCommand(24                p => DoSomething(),25                p => CanDoSomething()26                ));27        }28    }29    private bool CanDoSomething()30    {31        return true;32    }33    private void DoSomething()34    {35    }36}37{38    private RelayCommand _command;39    {40        {41            return _command ?? (_command = new RelayCommand(42                p => DoSomething(),43                p => CanDoSomething()44                ));45        }46    }47    private bool CanDoSomething()48    {49        return true;50    }51    private void DoSomething()52    {53    }54}55{56    private RelayCommand _command;57    {58        {59            return _command ?? (_command = new RelayCommand(60                p => DoSomething(),61                p => CanDoSomething()62                ));63        }64    }65    private bool CanDoSomething()66    {67        return true;68    }69    private void DoSomething()70    {71    }72}73{74    private RelayCommand _command;75    {76        {77            return _command ?? (_command = new RelayCommand(78                p => DoSomething(),79                p => CanDoSomething()80                ));81        }82    }83    private bool CanDoSomething()84    {85        return true;86    }87    private void DoSomething()88    {89    }

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