RegisterCommand() public method

Registers a command with the specified command name.
The is null or whitespace. The is null. The specified command is not created using the method.
public RegisterCommand ( string commandName, ICommand command, IViewModel viewModel = null ) : void
commandName string Name of the command.
command ICommand The command.
viewModel IViewModel The view model.
return void
CommandManager Class Documentation
Example #1
0
            public void ThrowsArgumentNullExceptionForNullCommand()
            {
                var vm = new CompositeCommandViewModel();
                var commandManager = new CommandManager();

                ExceptionTester.CallMethodAndExpectException<ArgumentException>(() => commandManager.RegisterCommand("MyCommand", null));
            }
Example #2
0
            public void DoesNotExecuteUnregisteredCommands()
            {
                var vm = new CompositeCommandViewModel();
                var commandManager = new CommandManager();

                commandManager.CreateCommand("MyCommand");
                commandManager.RegisterCommand("MyCommand", vm.TestCommand1);

                Assert.IsTrue(commandManager.IsCommandCreated("MyCommand"));

                commandManager.UnregisterCommand("MyCommand", vm.TestCommand1);

                commandManager.ExecuteCommand("MyCommand");

                Assert.IsFalse(vm.IsTestCommand1Executed);
            }
Example #3
0
            public void ThrowsArgumentNullExceptionForWhitespaceCommandName()
            {
                var vm = new CompositeCommandViewModel();
                var commandManager = new CommandManager();

                ExceptionTester.CallMethodAndExpectException<ArgumentException>(() => commandManager.RegisterCommand(" ", vm.TestCommand1));
            }
Example #4
0
            public void ExecutesRegisteredCommands()
            {
                var vm = new CompositeCommandViewModel();
                var commandManager = new CommandManager();

                commandManager.CreateCommand("MyCommand");
                commandManager.RegisterCommand("MyCommand", vm.TestCommand1);

                commandManager.ExecuteCommand("MyCommand");

                Assert.IsTrue(vm.IsTestCommand1Executed);
            }