How to use UIA3FocusChangedEventHandler class of FlaUI.UIA3.EventHandlers package

Best FlaUI code snippet using FlaUI.UIA3.EventHandlers.UIA3FocusChangedEventHandler

UIA3Automation.cs

Source:UIA3Automation.cs

...106        }107        /// <inheritdoc />108        public override FocusChangedEventHandlerBase RegisterFocusChangedEvent(Action<AutomationElement> action)109        {110            var eventHandler = new UIA3FocusChangedEventHandler(this, action);111            Com.Call(() => NativeAutomation.AddFocusChangedEventHandler(null, eventHandler));112            return eventHandler;113        }114        /// <inheritdoc />115        public override void UnregisterFocusChangedEvent(FocusChangedEventHandlerBase eventHandler)116        {117            NativeAutomation.RemoveFocusChangedEventHandler((UIA3FocusChangedEventHandler)eventHandler);118        }119        /// <inheritdoc />120        public override void UnregisterAllEvents()121        {122            try123            {124                NativeAutomation.RemoveAllEventHandlers();125            }126            catch127            {128                // Noop129            }130        }131        /// <inheritdoc />...

UIA3FocusChangedEventHandler.cs

Source:UIA3FocusChangedEventHandler.cs

...7{8    /// <summary>9    /// UIA2 implementation of a focus changed event handler.10    /// </summary>11    public class UIA3FocusChangedEventHandler : FocusChangedEventHandlerBase, UIA.IUIAutomationFocusChangedEventHandler12    {13        public UIA3FocusChangedEventHandler(AutomationBase automation, Action<AutomationElement> callAction) : base(automation, callAction)14        {15        }16        public void HandleFocusChangedEvent(UIA.IUIAutomationElement sender)17        {18            var frameworkElement = new UIA3FrameworkAutomationElement((UIA3Automation)Automation, sender);19            var senderElement = new AutomationElement(frameworkElement);20            HandleFocusChangedEvent(senderElement);21        }22    }23}...

UIA3FocusChangedEventHandler

Using AI Code Generation

1using FlaUI.Core.AutomationElements;2using FlaUI.Core.Definitions;3using FlaUI.Core.EventHandlers;4using FlaUI.Core.Input;5using FlaUI.Core.WindowsAPI;6using FlaUI.UIA3.EventHandlers;7using System;8using System.Collections.Generic;9using System.Linq;10using System.Text;11using System.Threading.Tasks;12{13    {14        public UIA3FocusChangedEventHandler(AutomationBase automation, Action<AutomationElement> callAction) : base(automation, callAction)15        {16        }17        public override void HandleFocusChangedEvent(object sender, UIA3AutomationFocusChangedEventArgs e)18        {19            var automationElement = AutomationElement.FromPoint(e.NewFocus);20            CallAction(automationElement);21        }22    }23}24using FlaUI.Core.AutomationElements;25using FlaUI.Core.Definitions;26using FlaUI.Core.EventHandlers;27using FlaUI.Core.Input;28using FlaUI.Core.WindowsAPI;29using FlaUI.UIA3.EventHandlers;30using System;31using System.Collections.Generic;32using System.Linq;33using System.Text;34using System.Threading.Tasks;35{36    {37        public UIA3FocusChangedEventHandler(AutomationBase automation, Action<AutomationElement> callAction) : base(automation, callAction)38        {39        }40        public override void HandleFocusChangedEvent(object sender, UIA3AutomationFocusChangedEventArgs e)41        {42            var automationElement = AutomationElement.FromPoint(e.NewFocus);43            CallAction(automationElement);44        }45    }46}47using FlaUI.Core.AutomationElements;48using FlaUI.Core.Definitions;49using FlaUI.Core.EventHandlers;50using FlaUI.Core.Input;51using FlaUI.Core.WindowsAPI;52using FlaUI.UIA3.EventHandlers;53using System;54using System.Collections.Generic;55using System.Linq;56using System.Text;57using System.Threading.Tasks;58{59    {

UIA3FocusChangedEventHandler

Using AI Code Generation

1using FlaUI.Core;2using FlaUI.Core.AutomationElements;3using FlaUI.Core.AutomationElements.Infrastructure;4using FlaUI.Core.Definitions;5using FlaUI.Core.EventHandlers;6using FlaUI.Core.Identifiers;7using FlaUI.Core.Shapes;8using FlaUI.UIA3.EventHandlers;9using System;10using System.Collections.Generic;11using System.Linq;12using System.Text;13using System.Threading.Tasks;14{15    {16        static void Main(string[] args)17        {18            var app = FlaUI.Core.Application.Launch(@"C:\Users\Public\Documents\FlaUI\SampleApplications\WpfApplication.exe");19            var automation = new FlaUI.UIA3.UIA3Automation();20            var mainWindow = app.GetMainWindow(automation);21            var button = mainWindow.FindFirstDescendant(cf => cf.ByName("Button"));22            var focusChangedHandler = new UIA3FocusChangedEventHandler(button.Automation);23            button.RegisterFocusChangedEventHandler(focusChangedHandler);24            button.UnregisterFocusChangedEventHandler(focusChangedHandler);25        }26    }27}

UIA3FocusChangedEventHandler

Using AI Code Generation

1using FlaUI.Core;2using FlaUI.Core.AutomationElements;3using FlaUI.Core.EventHandlers;4using FlaUI.UIA3.EventHandlers;5using System;6using System.Collections.Generic;7using System.Linq;8using System.Text;9using System.Threading.Tasks;10{11    {12        static void Main(string[] args)13        {14            var app = FlaUI.Core.Application.Launch("notepad.exe");15            var automation = new UIA3Automation();16            var mainWindow = app.GetMainWindow(automation);17            var focusChangedHandler = new UIA3FocusChangedEventHandler(automation, (sender, e) =>18            {19                Console.WriteLine("Focus changed");20            });21            automation.AddFocusChangedEventHandler(focusChangedHandler);22            Console.WriteLine("Press any key to exit");23            Console.ReadKey();24            automation.RemoveFocusChangedEventHandler(focusChangedHandler);25        }26    }27}

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