C# (CSharp) SystemConfigurationSourceImplementation.RemoveSectionChangeHandler示例

示例#1

        public void CanAddAndRemoveHandlers()
        {
            SystemConfigurationSourceImplementation implementation = new SystemConfigurationSourceImplementation(false);
            object section = implementation.GetSection(externalSection);

            Assert.IsNotNull(section);

            implementation.AddSectionChangeHandler(externalSection, new ConfigurationChangedEventHandler(OnConfigurationChanged));
            implementation.AddSectionChangeHandler(externalSection, new ConfigurationChangedEventHandler(OnConfigurationChanged));
            implementation.ExternalConfigSourceChanged(externalSectionSource);
            Assert.AreEqual(2, updatedSectionsTally[externalSection]);

            implementation.RemoveSectionChangeHandler(externalSection, new ConfigurationChangedEventHandler(OnConfigurationChanged));
            implementation.ExternalConfigSourceChanged(externalSectionSource);
            Assert.AreEqual(3, updatedSectionsTally[externalSection]);

            implementation.RemoveSectionChangeHandler(externalSection, new ConfigurationChangedEventHandler(OnConfigurationChanged));
            implementation.ExternalConfigSourceChanged(externalSectionSource);
            Assert.AreEqual(3, updatedSectionsTally[externalSection]);
        }