How to use UIA2PropertyChangedEventHandler class of FlaUI.UIA2.EventHandlers package

Best FlaUI code snippet using FlaUI.UIA2.EventHandlers.UIA2PropertyChangedEventHandler

UIA2PropertyChangedEventHandler.cs

Source:UIA2PropertyChangedEventHandler.cs

...8{9    /// <summary>10    /// UIA2 implementation of a property changed event handler.11    /// </summary>12    public class UIA2PropertyChangedEventHandler : PropertyChangedEventHandlerBase13    {14        public UIA.AutomationPropertyChangedEventHandler EventHandler { get; }15        public UIA2PropertyChangedEventHandler(FrameworkAutomationElementBase frameworkElement, Action<AutomationElement, PropertyId, object> callAction) : base(frameworkElement, callAction)16        {17            EventHandler = HandlePropertyChangedEvent;18        }19        private void HandlePropertyChangedEvent(object sender, UIA.AutomationPropertyChangedEventArgs automationPropertyChangedEventArgs)20        {21            var frameworkElement = new UIA2FrameworkAutomationElement((UIA2Automation)Automation, (UIA.AutomationElement)sender);22            var senderElement = new AutomationElement(frameworkElement);23            var propertyId = PropertyId.Find(Automation.AutomationType, automationPropertyChangedEventArgs.Property.Id);24            HandlePropertyChangedEvent(senderElement, propertyId, automationPropertyChangedEventArgs.NewValue);25        }26    }27}...

UIA2PropertyChangedEventHandler

Using AI Code Generation

1using FlaUI.Core.AutomationElements;2using FlaUI.Core.Definitions;3using FlaUI.Core.EventHandlers;4using FlaUI.Core.Identifiers;5using FlaUI.UIA2.EventHandlers;6using System;7using System.Collections.Generic;8using System.Linq;9using System.Text;10using System.Threading.Tasks;11{12    {13        static void Main(string[] args)14        {15            var app = FlaUI.Core.Application.Launch("C:\\Windows\\System32\\notepad.exe");16            var mainWindow = app.GetMainWindow(FlaUI.Core.WindowsFramework.WinForms);17            var automationElement = mainWindow.AutomationElement;18            var automationProperty = AutomationElement.NameProperty;19            var handler = new UIA2PropertyChangedEventHandler(automationElement, automationProperty);20            handler.AddEventHandler((s, e) => { Console.WriteLine("Property changed"); });21            handler.RemoveEventHandler();22            app.Close();23        }24    }25}

UIA2PropertyChangedEventHandler

Using AI Code Generation

1using FlaUI.Core.AutomationElements;2using FlaUI.Core.EventHandlers;3using FlaUI.Core.Identifiers;4using FlaUI.Core.Patterns;5using FlaUI.UIA2.EventHandlers;6using FlaUI.UIA2.Identifiers;7using FlaUI.UIA2.Patterns;8using System;9using System.Collections.Generic;10using System.Linq;11using System.Text;12using System.Threading.Tasks;13using System.Windows.Automation;14using static FlaUI.Core.Definitions.PropertyIds;15{16    {17        public UIA2PropertyChangedEventHandler(AutomationBase automation, Action<PropertyChangedEventHandlerBase, IAutomationElement, PropertyId, object> callAction) : base(automation, callAction)18        {19        }20        public static UIA2PropertyChangedEventHandler Create(AutomationBase automation, Action<PropertyChangedEventHandlerBase, IAutomationElement, PropertyId, object> callAction)21        {22            return new UIA2PropertyChangedEventHandler(automation, callAction);23        }24        protected override void StartListeningNativeEvent()25        {26            Automation.AddAutomationPropertyChangedEventHandler(NativeAutomationElement, TreeScope.Element, HandlePropertyChangedEvent, AutomationProperty.AllProperties);27        }28        protected override void StopListeningNativeEvent()29        {30            Automation.RemoveAutomationPropertyChangedEventHandler(NativeAutomationElement, HandlePropertyChangedEvent);31        }32        private void HandlePropertyChangedEvent(object sender, AutomationPropertyChangedEventArgs e)33        {34            var automationProperty = UIA2PropertyLibrary.GetProperty(e.Property.Id);35            var propertyId = automationProperty?.Property;36            var newValue = e.NewValue;37            if (propertyId != null)38            {39                OnEvent(automationProperty, newValue);40            }41        }42    }43}44using FlaUI.Core.AutomationElements;45using FlaUI.Core.EventHandlers;46using FlaUI.Core.Identifiers;47using FlaUI.Core.Patterns;48using FlaUI.UIA2.EventHandlers;49using FlaUI.UIA2.Identifiers;50using FlaUI.UIA2.Patterns;51using System;52using System.Collections.Generic;53using System.Linq;54using System.Text;55using System.Threading.Tasks;56using System.Windows.Automation;57using static FlaUI.Core.Definitions.PropertyIds;58{

UIA2PropertyChangedEventHandler

Using AI Code Generation

1using FlaUI.Core.AutomationElements;2using FlaUI.Core.AutomationElements.Infrastructure;3using FlaUI.Core.Definitions;4using FlaUI.Core.EventHandlers;5using FlaUI.UIA2.EventHandlers;6using System;7{8    {9        public UIA2PropertyChangedEventHandler(AutomationBase automation, Action<AutomationElement, PropertyId, object> callAction) : base(automation, callAction)10        {11        }12        public UIA2PropertyChangedEventHandler(AutomationBase automation, Action<AutomationElement, PropertyId, object> callAction, Action<AutomationElement, PropertyId, object> disconnectAction) : base(automation, callAction, disconnectAction)13        {14        }15        protected override void StartListeningNativeEvent()16        {17            NativeElement.AddPropertyChangedEventHandler(EventId, AutomationObject, HandlePropertyChangedEvent);18        }19        protected override void StopListeningNativeEvent()20        {21            NativeElement.RemovePropertyChangedEventHandler(EventId, HandlePropertyChangedEvent);22        }23        private void HandlePropertyChangedEvent(object sender, System.Windows.Automation.AutomationPropertyChangedEventArgs e)24        {25            var automationElement = AutomationElementConverter.NativeToManaged(Automation, sender as System.Windows.Automation.AutomationElement);26            var propertyId = PropertyId.Find(Automation, e.Property.Id);27            CallAction(automationElement, propertyId, e.NewValue);28        }29    }30}31using FlaUI.Core.AutomationElements;32using FlaUI.Core.AutomationElements.Infrastructure;33using FlaUI.Core.Definitions;34using FlaUI.Core.EventHandlers;35using FlaUI.UIA2.EventHandlers;36using System;37{38    {39        public UIA2StructureChangedEventHandler(AutomationBase automation, Action<AutomationElement, StructureChangeType, int[]> callAction) : base(automation, callAction)40        {41        }42        public UIA2StructureChangedEventHandler(AutomationBase automation, Action<AutomationElement, StructureChangeType, int[]> callAction, Action<AutomationElement, StructureChangeType, int[]> disconnectAction) : base(automation, callAction, disconnectAction)43        {44        }45        protected override void StartListeningNativeEvent()46        {47            NativeElement.AddStructureChangedEventHandler(Event

UIA2PropertyChangedEventHandler

Using AI Code Generation

1using FlaUI.Core.AutomationElements;2using FlaUI.UIA2.EventHandlers;3using FlaUI.Core;4using FlaUI.Core.Definitions;5using FlaUI.Core.EventHandlers;6using FlaUI.Core.Identifiers;7using System;8using System.Collections.Generic;9using System.Linq;10using System.Text;11using System.Threading.Tasks;12{13    {14        static void Main(string[] args)15        {16            var application = FlaUI.Core.Application.Launch(@"C:\Program Files (x86)\Notepad++\notepad++.exe");17            var automation = FlaUI.Core.Automation.GetAutomationForProcess(application.ProcessId);18            var window = automation.GetDesktop().FindFirstChild(cf => cf.ByClassName("Notepad++").And(cf.ByName("Untitled - Notepad++")));19            var button = window.FindFirstDescendant(cf => cf.ByControlType(FlaUI.Core.Definitions.ControlType.Button));20            var eventHandler = new UIA2PropertyChangedEventHandler(automation, window, button, automation.PropertyLibrary.Element.Name);21            eventHandler.StartListening();22            button.Click();23            System.Threading.Thread.Sleep(5000);24            application.Close();25        }26    }27}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.