CanExecute() public method

Forwards ICommand.CanExecute to the registered commands and returns if all of the commands return .
public CanExecute ( object parameter ) : bool
parameter object Data used by the command. /// If the command does not require data to be passed, this object can be set to . ///
return bool
CompositeCommand Class Documentation
Esempio n. 1
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        public void DispatchCommandShouldIgnoreInactiveCommandsInCanExecuteVote()
        {
            CompositeCommand activeAwareCommand = new CompositeCommand(true);
            MockActiveAwareCommand commandOne = new MockActiveAwareCommand() { IsActive = false, IsValid = false };
            MockActiveAwareCommand commandTwo = new MockActiveAwareCommand() { IsActive = true, IsValid = true };

            activeAwareCommand.RegisterCommand(commandOne);
            activeAwareCommand.RegisterCommand(commandTwo);

            Assert.IsTrue(activeAwareCommand.CanExecute(null));
        }
Esempio n. 2
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        public void DispatchCommandDoesNotIncludeInactiveRegisteredCommandInVoting()
        {
            CompositeCommand activeAwareCommand = new CompositeCommand(true);
            MockActiveAwareCommand command = new MockActiveAwareCommand();
            activeAwareCommand.RegisterCommand(command);
            command.IsValid = true;
            command.IsActive = false;

            Assert.IsFalse(activeAwareCommand.CanExecute(null), "Registered Click is inactive so should not participate in CanExecute vote");

            command.IsActive = true;

            Assert.IsTrue(activeAwareCommand.CanExecute(null));

            command.IsValid = false;

            Assert.IsFalse(activeAwareCommand.CanExecute(null));

        }