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How to use CanExecute method of WpfApplication.Infrastructure.RelayCommand class

Best FlaUI code snippet using WpfApplication.Infrastructure.RelayCommand.CanExecute

RelayCommand.cs

Source:RelayCommand.cs

...14            _methodToExecute = methodToExecute;15            _canExecuteEvaluator = canExecuteEvaluator;16        }17        [DebuggerStepThrough]18        public bool CanExecute(object parameter)19        {20            return _canExecuteEvaluator == null || _canExecuteEvaluator.Invoke(parameter);21        }22        public event EventHandler CanExecuteChanged23        {24            add => CommandManager.RequerySuggested += value;25            remove => CommandManager.RequerySuggested -= value;26        }27        public void Execute(object parameter)28        {29            _methodToExecute.Invoke(parameter);30        }31    }32}...

CanExecute

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Windows;6using System.Windows.Controls;7using System.Windows.Data;8using System.Windows.Documents;9using System.Windows.Input;10using System.Windows.Media;11using System.Windows.Media.Imaging;12using System.Windows.Shapes;13using WpfApplication.Infrastructure;14{15    {16        public Window1()17        {18            InitializeComponent();19        }20        private void Button_Click(object sender, RoutedEventArgs e)21        {22            RelayCommand cmd = new RelayCommand(ExecuteMethod, CanExecuteMethod);23            cmd.Execute(null);24        }25        private void ExecuteMethod(object param)26        {27            MessageBox.Show("Command Executed");28        }29        private bool CanExecuteMethod(object param)30        {31            return true;32        }33    }34}35using System;36using System.Collections.Generic;37using System.Linq;38using System.Text;39using System.Windows;40using System.Windows.Controls;41using System.Windows.Data;42using System.Windows.Documents;43using System.Windows.Input;44using System.Windows.Media;45using System.Windows.Media.Imaging;46using System.Windows.Shapes;47using WpfApplication.Infrastructure;48{49    {50        public Window1()51        {52            InitializeComponent();53        }54        private void Button_Click(object sender, RoutedEventArgs e)55        {56            RelayCommand cmd = new RelayCommand(ExecuteMethod, CanExecuteMethod);57            cmd.Execute(null);58        }59        private void ExecuteMethod(object param)60        {61            MessageBox.Show("Command Executed");62        }63        private bool CanExecuteMethod(object param)64        {65            return false;66        }67    }68}69using System;70using System.Collections.Generic;

CanExecute

Using AI Code Generation

1using System;2using System.Windows;3using System.Windows.Input;4using WpfApplication.Infrastructure;5{6    {7        public MainWindow()8        {9            InitializeComponent();10        }11        private void Button_Click(object sender, RoutedEventArgs e)12        {13            MessageBox.Show("Button Clicked");14        }15        private void Button_Click_1(object sender, RoutedEventArgs e)16        {17            MessageBox.Show("Button Clicked");18        }19        private void Button_Click_2(object sender, RoutedEventArgs e)20        {21            MessageBox.Show("Button Clicked");22        }23    }24}25using System;26using System.Windows;27using System.Windows.Input;28using WpfApplication.Infrastructure;29using WpfApplication.ViewModels;30{31    {32        public MainWindow()33        {34            InitializeComponent();35            this.DataContext = new MainWindowViewModel();36        }37    }38}39using System;40using System.Windows;41using System.Windows.Input;42using WpfApplication.Infrastructure;43using WpfApplication.ViewModels;44{45    {46        public MainWindow()47        {48            InitializeComponent();49            this.DataContext = new MainWindowViewModel();50        }51    }52}53using System;54using System.Windows;55using System.Windows.Input;56using WpfApplication.Infrastructure;57using WpfApplication.ViewModels;58{59    {60        public MainWindow()61        {62            InitializeComponent();63            this.DataContext = new MainWindowViewModel();64        }65    }66}67using System;68using System.Windows;69using System.Windows.Input;70using WpfApplication.Infrastructure;71using WpfApplication.ViewModels;72{73    {74        public MainWindow()75        {76            InitializeComponent();77            this.DataContext = new MainWindowViewModel();78        }79    }80}81using System;82using System.Windows;

CanExecute

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using System.Windows.Input;7{8    {9        readonly Action<object> _execute;10        readonly Predicate<object> _canExecute;11        public RelayCommand(Action<object> execute)12            : this(execute, null)13        {14        }15        public RelayCommand(Action<object> execute, Predicate<object> canExecute)16        {17            if (execute == null)18                throw new ArgumentNullException("execute");19            _execute = execute;20            _canExecute = canExecute;21        }22        public bool CanExecute(object parameter)23        {24            return _canExecute == null ? true : _canExecute(parameter);25        }26        {27            add { CommandManager.RequerySuggested += value; }28            remove { CommandManager.RequerySuggested -= value; }29        }30        public void Execute(object parameter)31        {32            _execute(parameter);33        }34    }35}36using System;37using System.Collections.Generic;38using System.Linq;39using System.Text;40using System.Threading.Tasks;41using System.Windows;42using System.Windows.Controls;43{44    {45        readonly Action<T> _execute;46        readonly Predicate<T> _canExecute;47        public RelayCommand(Action<T> execute)48            : this(execute, null)49        {50        }51        public RelayCommand(Action<T> execute, Predicate<T> canExecute)52        {53            if (execute == null)54                throw new ArgumentNullException("execute");55            _execute = execute;56            _canExecute = canExecute;57        }58        public bool CanExecute(object parameter)59        {60            return _canExecute == null ? true : _canExecute((T)parameter);61        }62        {63            add { CommandManager.RequerySuggested += value; }64            remove { Command

CanExecute

Using AI Code Generation

1using System;2using System.Windows;3using System.Windows.Input;4using WpfApplication.Infrastructure;5{6    {7        public MainWindow()8        {9            InitializeComponent();10        }11        private void btnAdd_Click(object sender, RoutedEventArgs e)12        {13            MessageBox.Show("You clicked on Add button");14        }15        private void btnEdit_Click(object sender, RoutedEventArgs e)16        {17            MessageBox.Show("You clicked on Edit button");18        }19        private void btnDelete_Click(object sender, RoutedEventArgs e)20        {21            MessageBox.Show("You clicked on Delete button");22        }

CanExecute

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Windows;6using System.Windows.Input;7using WpfApplication.Infrastructure;8{9    {10        public ICommand MyCommand { get; set; }11        public ICommand MyCommand2 { get; set; }12        public MainViewModel()13        {14            MyCommand = new RelayCommand(param => MyMethod(), param => CanExecuteMethod());15            MyCommand2 = new RelayCommand(param => MyMethod2());16        }17        private void MyMethod()18        {19            MessageBox.Show("MyMethod");20        }21        private void MyMethod2()22        {23            MessageBox.Show("MyMethod2");24        }25        private bool CanExecuteMethod()26        {27            return false;28        }29    }30}31using System;32using System.Collections.Generic;33using System.Linq;34using System.Text;35using System.Windows;36using System.Windows.Input;37using WpfApplication.Infrastructure;38{39    {40        public ICommand MyCommand { get; set; }41        public ICommand MyCommand2 { get; set; }42        public MainViewModel()43        {44            MyCommand = new RelayCommand(param => MyMethod(), param => CanExecuteMethod());45            MyCommand2 = new RelayCommand(param => MyMethod2());46        }47        private void MyMethod()48        {49            MessageBox.Show("MyMethod");50        }51        private void MyMethod2()52        {53            MessageBox.Show("MyMethod2");54        }55        private bool CanExecuteMethod()56        {57            return false;58        }59    }60}61using System;62using System.Collections.Generic;63using System.Linq;64using System.Text;65using System.Windows;66using System.Windows.Input;67using WpfApplication.Infrastructure;68{69    {70        public ICommand MyCommand { get; set; }71        public ICommand MyCommand2 { get; set; }72        public MainViewModel()73        {74            MyCommand = new RelayCommand(param => MyMethod(), param => CanExecuteMethod());75            MyCommand2 = new RelayCommand(param => MyMethod2());76        }77        private void MyMethod()78        {79            MessageBox.Show("MyMethod");80        }

CanExecute

Using AI Code Generation

1using System.Windows;2using System.Windows.Input;3{4    {5        public Window1()6        {7            InitializeComponent();8            this.DataContext = new ViewModel();9        }10    }11    {12        public ViewModel()13        {14            this.MyCommand = new RelayCommand(ExecuteMethod, CanExecuteMethod);15        }16        public ICommand MyCommand { get; set; }17        private void ExecuteMethod(object obj)18        {19            MessageBox.Show("Command Executed");20        }21        private bool CanExecuteMethod(object obj)22        {23            return true;24        }25    }26}

CanExecute

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Windows.Input;6using WpfApplication.Infrastructure;7{8    {9        private string _commandOneText = "Command 1";10        private string _commandTwoText = "Command 2";11        private string _commandThreeText = "Command 3";12        public ViewModel()13        {14            CommandOne = new RelayCommand(() => CommandOneText = "Command 1 executed", () => true);15            CommandTwo = new RelayCommand(() => CommandTwoText = "Command 2 executed", () => true);16            CommandThree = new RelayCommand(() => CommandThreeText = "Command 3 executed", () => true);17        }18        public ICommand CommandOne { get; set; }19        public ICommand CommandTwo { get; set; }20        public ICommand CommandThree { get; set; }21        {22            get { return _commandOneText; }23            {24                _commandOneText = value;25                OnPropertyChanged("CommandOneText");26            }27        }28        {29            get { return _commandTwoText; }30            {31                _commandTwoText = value;32                OnPropertyChanged("CommandTwoText");33            }34        }35        {36            get { return _commandThreeText; }37            {38                _commandThreeText = value;39                OnPropertyChanged("CommandThreeText");40            }41        }42    }43}

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