C# (CSharp) Microsoft.Practices.Prism.Tests.Commands TestCommand.FireCanExecuteChanged примеры использования

FireCanExecuteChanged() публичный Метод

public FireCanExecuteChanged ( ) : void
Результат	void

Пример #1

Файл: CompositeCommandFixture.cs Проект: cointoss1973/Prism4.1-WPF

        public void UnregisterCommandDisconnectsCanExecuteChangedDelegate()
        {
            TestableCompositeCommand multiCommand = new TestableCompositeCommand();
            TestCommand testCommandOne            = new TestCommand()
            {
                CanExecuteValue = true
            };

            multiCommand.RegisterCommand(testCommandOne);
            multiCommand.UnregisterCommand(testCommandOne);
            multiCommand.CanExecuteChangedRaised = false;
            testCommandOne.FireCanExecuteChanged();
            Assert.IsFalse(multiCommand.CanExecuteChangedRaised);
        }

Пример #2

Файл: CompositeCommandFixture.cs Проект: cointoss1973/Prism4.1-WPF

        public void ShouldReraiseCanExecuteChangedEvent()
        {
            TestableCompositeCommand multiCommand = new TestableCompositeCommand();
            TestCommand testCommandOne            = new TestCommand()
            {
                CanExecuteValue = true
            };

            Assert.IsFalse(multiCommand.CanExecuteChangedRaised);
            multiCommand.RegisterCommand(testCommandOne);
            multiCommand.CanExecuteChangedRaised = false;

            testCommandOne.FireCanExecuteChanged();
            Assert.IsTrue(multiCommand.CanExecuteChangedRaised);
        }

Пример #3

Файл: CompositeCommandFixture.cs Проект: eslahi/prism

        public void UnregisterCommandDisconnectsCanExecuteChangedDelegate()
        {
            TestableCompositeCommand multiCommand = new TestableCompositeCommand();
            TestCommand testCommandOne = new TestCommand() { CanExecuteValue = true };

            multiCommand.RegisterCommand(testCommandOne);
            multiCommand.UnregisterCommand(testCommandOne);
            multiCommand.CanExecuteChangedRaised = false;
            testCommandOne.FireCanExecuteChanged();
            Assert.IsFalse(multiCommand.CanExecuteChangedRaised);
        }

Пример #4

Файл: CompositeCommandFixture.cs Проект: eslahi/prism

        public void ShouldReraiseCanExecuteChangedEventAfterCollect()
        {
            TestableCompositeCommand multiCommand = new TestableCompositeCommand();
            TestCommand testCommandOne = new TestCommand() { CanExecuteValue = true };

            Assert.IsFalse(multiCommand.CanExecuteChangedRaised);
            multiCommand.RegisterCommand(testCommandOne);
            multiCommand.CanExecuteChangedRaised = false;

            GC.Collect();

            testCommandOne.FireCanExecuteChanged();
            Assert.IsTrue(multiCommand.CanExecuteChangedRaised);
        }