KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use SetFocus method of FlaUI.Core.WindowsAPI.User32 class

Best FlaUI code snippet using FlaUI.Core.WindowsAPI.User32.SetFocus

AutomationElement.cs

Source:AutomationElement.cs

...205                FocusNative();206            }207        }208        /// <summary>209        /// Sets the focus by using the Win32 SetFocus() method.210        /// </summary>211        public void FocusNative()212        {213            if (Properties.NativeWindowHandle.IsSupported)214            {215                var windowHandle = Properties.NativeWindowHandle.ValueOrDefault;216                if (windowHandle != Win32Constants.FALSE)217                {218                    uint windowThreadId = User32.GetWindowThreadProcessId(windowHandle, out _);219                    uint currentThreadId = Kernel32.GetCurrentThreadId();220                    // attach window to the calling thread's message queue221                    User32.AttachThreadInput(currentThreadId, windowThreadId, true);222                    User32.SetFocus(windowHandle);223                    // detach the window from the calling thread's message queue224                    User32.AttachThreadInput(currentThreadId, windowThreadId, false);225                    Wait.UntilResponsive(this);226                    return;227                }228            }229            // Fallback to the UIA Version230            SetFocus();231        }232        /// <summary>233        /// Brings a window to the foreground.234        /// </summary>235        public void SetForeground()236        {237            if (Properties.NativeWindowHandle.IsSupported)238            {239                var windowHandle = Properties.NativeWindowHandle.ValueOrDefault;240                if (windowHandle != Win32Constants.FALSE)241                {242                    User32.SetForegroundWindow(windowHandle);243                    Wait.UntilResponsive(this);244                    return;245                }246            }247            // Fallback to the UIA Version248            SetFocus();249        }250        /// <summary>251        /// Captures the object as screenshot in <see cref="Bitmap"/> format.252        /// </summary>253        public Bitmap Capture()254        {255            return Capturing.Capture.Element(this).Bitmap;256        }257#if NETFRAMEWORK258        /// <summary>259        /// Captures the object as screenshot in a WPF friendly <see cref="System.Windows.Media.Imaging.BitmapImage"/> format.260        /// </summary>261        System.Windows.Media.Imaging.BitmapImage CaptureWpf()262        {263            return Capturing.Capture.Element(this).BitmapImage;264        }265#endif266        /// <summary>267        /// Captures the object as screenshot directly into the given file.268        /// </summary>269        /// <param name="filePath">The filepath where the screenshot should be saved.</param>270        public void CaptureToFile(string filePath)271        {272            Capturing.Capture.Element(this).ToFile(filePath);273        }274        /// <summary>275        /// Gets a clickable point of the element.276        /// </summary>277        /// <exception cref="Exceptions.NoClickablePointException">Thrown when no clickable point was found</exception>278        public Point GetClickablePoint()279        {280            return FrameworkAutomationElement.GetClickablePoint();281        }282        /// <summary>283        /// Tries to get a clickable point of the element.284        /// </summary>285        /// <param name="point">The clickable point or null, if no point was found</param>286        /// <returns>True if a point was found, false otherwise</returns>287        public bool TryGetClickablePoint(out Point point)288        {289            return FrameworkAutomationElement.TryGetClickablePoint(out point);290        }291        /// <inheritdoc />292        public ActiveTextPositionChangedEventHandlerBase RegisterActiveTextPositionChangedEvent(TreeScope treeScope, Action<AutomationElement, ITextRange> action)293        {294            return FrameworkAutomationElement.RegisterActiveTextPositionChangedEvent(treeScope, action);295        }296        /// <inheritdoc />297        public AutomationEventHandlerBase RegisterAutomationEvent(EventId @event, TreeScope treeScope, Action<AutomationElement, EventId> action)298        {299            if (Equals(@event, EventId.NotSupportedByFramework))300            {301                throw new NotSupportedByFrameworkException();302            }303            return FrameworkAutomationElement.RegisterAutomationEvent(@event, treeScope, action);304        }305        /// <inheritdoc />306        public PropertyChangedEventHandlerBase RegisterPropertyChangedEvent(TreeScope treeScope, Action<AutomationElement, PropertyId, object> action, params PropertyId[] properties)307        {308            return FrameworkAutomationElement.RegisterPropertyChangedEvent(treeScope, action, properties);309        }310        /// <inheritdoc />311        public StructureChangedEventHandlerBase RegisterStructureChangedEvent(TreeScope treeScope, Action<AutomationElement, StructureChangeType, int[]> action)312        {313            return FrameworkAutomationElement.RegisterStructureChangedEvent(treeScope, action);314        }315        /// <inheritdoc />316        public NotificationEventHandlerBase RegisterNotificationEvent(TreeScope treeScope, Action<AutomationElement, NotificationKind, NotificationProcessing, string, string> action)317        {318            return FrameworkAutomationElement.RegisterNotificationEvent(treeScope, action);319        }320        /// <inheritdoc />321        public TextEditTextChangedEventHandlerBase RegisterTextEditTextChangedEventHandler(TreeScope treeScope, TextEditChangeType textEditChangeType, Action<AutomationElement, TextEditChangeType, string[]> action)322        {323            return FrameworkAutomationElement.RegisterTextEditTextChangedEventHandler(treeScope, textEditChangeType, action);324        }325        /// <summary>326        /// Gets the available patterns for an element via properties.327        /// </summary>328        public PatternId[] GetSupportedPatterns()329        {330            return Automation.PatternLibrary.AllForCurrentFramework.Where(IsPatternSupported).ToArray();331        }332        /// <summary>333        /// Checks if the given pattern is available for the element via properties.334        /// </summary>335        public bool IsPatternSupported(PatternId pattern)336        {337            if (Equals(pattern, PatternId.NotSupportedByFramework))338            {339                return false;340            }341            if (pattern.AvailabilityProperty == null)342            {343                throw new ArgumentException("Pattern doesn't have an AvailabilityProperty");344            }345            var success = FrameworkAutomationElement.TryGetPropertyValue(pattern.AvailabilityProperty, out bool isPatternAvailable);346            return success && isPatternAvailable;347        }348        /// <summary>349        /// Gets the available patterns for an element via UIA method.350        /// Does not work with cached elements and might be unreliable.351        /// </summary>352        public PatternId[] GetSupportedPatternsDirect()353        {354            return FrameworkAutomationElement.GetSupportedPatterns();355        }356        /// <summary>357        /// Checks if the given pattern is available for the element via UIA method.358        /// Does not work with cached elements and might be unreliable.359        /// </summary>360        public bool IsPatternSupportedDirect(PatternId pattern)361        {362            return GetSupportedPatternsDirect().Contains(pattern);363        }364        /// <summary>365        /// Gets the available properties for an element via UIA method.366        /// Does not work with cached elements and might be unreliable.367        /// </summary>368        public PropertyId[] GetSupportedPropertiesDirect()369        {370            return FrameworkAutomationElement.GetSupportedProperties();371        }372        /// <summary>373        /// Method to check if the element supports the given property via UIA method.374        /// Does not work with cached elements and might be unreliable.375        /// </summary>376        public bool IsPropertySupportedDirect(PropertyId property)377        {378            return GetSupportedPropertiesDirect().Contains(property);379        }380        /// <summary>381        /// Gets metadata from the UI Automation element that indicates how the information should be interpreted.382        /// </summary>383        /// <param name="targetId">The property to retrieve.</param>384        /// <param name="metadataId">Specifies the type of metadata to retrieve.</param>385        /// <returns>The metadata.</returns>386        public object GetCurrentMetadataValue(PropertyId targetId, int metadataId)387        {388            return FrameworkAutomationElement.GetCurrentMetadataValue(targetId, metadataId);389        }390        /// <summary>391        /// Compares two elements.392        /// </summary>393        public bool Equals(AutomationElement other)394        {395            return other != null && Automation.Compare(this, other);396        }397        /// <inheritdoc />398        public override bool Equals(object obj)399        {400            return Equals(obj as AutomationElement);401        }402        /// <inheritdoc />403        public override int GetHashCode()404        {405            return FrameworkAutomationElement?.GetHashCode() ?? 0;406        }407        /// <summary>408        /// Overrides the string representation of the element with something useful.409        /// </summary>410        public override string ToString()411        {412            return String.Format("AutomationId:{0}, Name:{1}, ControlType:{2}, FrameworkId:{3}",413                Properties.AutomationId.ValueOrDefault, Properties.Name.ValueOrDefault,414                Properties.LocalizedControlType.ValueOrDefault, Properties.FrameworkId.ValueOrDefault);415        }416        /// <summary>417        /// Executes the given action on the given pattern.418        /// </summary>419        /// <typeparam name="TPattern">The type of the pattern.</typeparam>420        /// <param name="pattern">The pattern.</param>421        /// <param name="throwIfNotSupported">Flag to indicate if an exception should be thrown if the pattern is not supported.</param>422        /// <param name="action">The action to execute on the pattern</param>423        protected internal void ExecuteInPattern<TPattern>(TPattern pattern, bool throwIfNotSupported, Action<TPattern> action)424        {425            if (pattern != null)426            {427                action(pattern);428            }429            else if (throwIfNotSupported)430            {431                throw new System.NotSupportedException();432            }433        }434        /// <summary>435        /// Executes the given func on the given pattern returning the received value.436        /// </summary>437        /// <typeparam name="TPattern">The type of the pattern.</typeparam>438        /// <typeparam name="TRet">The type of the return value.</typeparam>439        /// <param name="pattern">Zhe pattern.</param>440        /// <param name="throwIfNotSupported">Flag to indicate if an exception should be thrown if the pattern is not supported.</param>441        /// <param name="func">The function to execute on the pattern.</param>442        /// <returns>The value received from the pattern or the default if the pattern is not supported.</returns>443        protected internal TRet ExecuteInPattern<TPattern, TRet>(TPattern pattern, bool throwIfNotSupported, Func<TPattern, TRet> func)444        {445            if (pattern != null)446            {447                return func(pattern);448            }449            if (throwIfNotSupported)450            {451                throw new System.NotSupportedException();452            }453            return default;454        }455        /// <summary>456        /// Sets focus onto control using UIA native element457        /// </summary>458        protected virtual void SetFocus()459        {460            FrameworkAutomationElement.SetFocus();461        }462    }463}...

User32.cs

Source:User32.cs

...19        [DllImport("user32.dll", SetLastError = true)]20        public static extern bool SetForegroundWindow(IntPtr windowHandle);2122        [DllImport("user32.dll", SetLastError = true)]23        public static extern IntPtr SetFocus(IntPtr hWnd);2425        [DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true, SetLastError = true)]26        internal static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);2728        [DllImport("user32.dll", SetLastError = true)]29        public static extern bool SetLayeredWindowAttributes(IntPtr hwnd, uint crKey, byte bAlpha, uint dwFlags);3031        [DllImport("user32.dll", SetLastError = true)]32        public static extern bool GetCursorPos(out POINT lpPoint);3334        [DllImport("user32.dll", SetLastError = true)]35        public static extern bool SetCursorPos(int x, int y);3637        [DllImport("user32.dll", SetLastError = true)]
...

SetFocus

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using System.Windows.Automation;7using FlaUI.Core.WindowsAPI;8{9    {10        static void Main(string[] args)11        {12            var app = FlaUI.Core.Application.Launch("notepad.exe");13            var window = app.GetMainWindow(FlaUI.Core.Conditions.ConditionFactory.ByAutomationId("15"));14            window.SetFocus();15            System.Threading.Thread.Sleep(2000);16            window.SendKeys("Hello World");17            System.Threading.Thread.Sleep(2000);18            window.Close();19        }20    }21}

SetFocus

Using AI Code Generation

1using System;2using System.Windows.Forms;3using FlaUI.Core.WindowsAPI;4{5    {6        public Form1()7        {8            InitializeComponent();9        }10        private void button1_Click(object sender, EventArgs e)11        {12            User32.SetFocus(Handle);13        }14    }15}16using System;17using System.Windows.Forms;18using FlaUI.Core.WindowsAPI;19{20    {21        public Form1()22        {23            InitializeComponent();24        }25        private void button1_Click(object sender, EventArgs e)26        {27            User32.SetForegroundWindow(Handle);28        }29    }30}31using System;32using System.Windows.Forms;33using FlaUI.Core.WindowsAPI;34{35    {36        public Form1()37        {38            InitializeComponent();39        }40        private void button1_Click(object sender, EventArgs e)41        {42            User32.SetWindowPos(Handle, IntPtr.Zero, 0, 0, 0, 0, 0x0002 | 0x0001);43        }44    }45}46using System;47using System.Windows.Forms;48using FlaUI.Core.WindowsAPI;49{50    {51        public Form1()52        {53            InitializeComponent();54        }55        private void button1_Click(object sender, EventArgs e)56        {57            User32.ShowWindow(Handle, 1);58        }59    }60}61using System;62using System.Windows.Forms;63using FlaUI.Core.WindowsAPI;64{65    {66        public Form1()67        {68            InitializeComponent();69        }70        private void button1_Click(object sender, EventArgs e)71        {72            User32.ShowWindowAsync(Handle, 1);73        }74    }75}

SetFocus

Using AI Code Generation

1using FlaUI.Core.WindowsAPI;2using System;3using System.Runtime.InteropServices;4using System.Windows.Forms;5{6    {7        [DllImport("user32.dll")]8        static extern IntPtr GetForegroundWindow();9        public Form1()10        {11            InitializeComponent();12        }13        private void button1_Click(object sender, EventArgs e)14        {15            IntPtr hwnd = GetForegroundWindow();16            User32.SetFocus(hwnd);17        }18    }19}

SetFocus

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using FlaUI.Core.WindowsAPI;7{8    {9        public static void SetFocusMethod(IntPtr hWnd)10        {11            User32.SetFocus(hWnd);12        }13    }14}15using System;16using System.Collections.Generic;17using System.Linq;18using System.Text;19using System.Threading.Tasks;20using FlaUI.Core.WindowsAPI;21{22    {23        public static IntPtr GetForegroundWindowMethod()24        {25            return User32.GetForegroundWindow();26        }27    }28}29using System;30using System.Collections.Generic;31using System.Linq;32using System.Drawing;33using System.Text;34using System.Threading.Tasks;35using FlaUI.Core.WindowsAPI;36{37    {38        public static Rectangle GetWindowRectMethod(IntPtr hWnd)39        {40            return User32.GetWindowRect(hWnd);41        }42    }43}44using System;45using System.Collections.Generic;46using System.Linq;47using System.Text;48using System.Threading.Tasks;49using FlaUI.Core.WindowsAPI;50{51    {52        public static void SetWindowPosMethod(IntPtr hWnd, int X, int Y, int cx, int cy, int uFlags)53        {54            User32.SetWindowPos(hWnd, X, Y, cx, cy, uFlags);55        }56    }57}58using System;59using System.Collections.Generic;60using System.Linq;61using System.Text;62using System.Threading.Tasks;63using FlaUI.Core.WindowsAPI;64{65    {66        public static int GetWindowLongMethod(IntPtr hWnd, int nIndex)67        {68            return User32.GetWindowLong(hWnd, nIndex);69        }70    }71}

SetFocus

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using FlaUI.Core.WindowsAPI;7using System.Diagnostics;8using System.Runtime.InteropServices;9{10    {11        static void Main(string[] args)12        {13            Process p = Process.GetProcessesByName("notepad").FirstOrDefault();14            IntPtr hwnd = p.MainWindowHandle;15            User32.SetFocus(hwnd);16        }17    }18}

SetFocus

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using System.Windows.Automation;7using FlaUI.Core.WindowsAPI;8using System.Threading;9{10    {11        static void Main(string[] args)12        {13            AutomationElement window = AutomationElement.RootElement.FindFirst(TreeScope.Children, new PropertyCondition(AutomationElement.NameProperty, "Untitled - Notepad"));14            IntPtr handle = (IntPtr)window.Current.NativeWindowHandle;15            User32.SetFocus(handle);16            SendKeys.SendWait("Hello World");17            Thread.Sleep(2000);18            window.SetFocus();19            SendKeys.SendWait("Hello World");20            Console.ReadLine();21        }22    }23}

SetFocus

Using AI Code Generation

1using System;2using System.Diagnostics;3using System.Threading;4using FlaUI.Core;5using FlaUI.Core.WindowsAPI;6using FlaUI.UIA3;7using UIA = interop.UIAutomationCore;8{9    {10        static void Main(string[] args)11        {12            var process = Process.Start("notepad.exe");13            using (var automation = new UIA3Automation())14            {15                var notepadWindow = Retry.WhileNull(() => automation.GetDesktop().FindFirstChild(cf => cf.ByProcessId(process.Id)), TimeSpan.FromSeconds(1));16                var notepadWindowHandle = notepadWindow.Properties.NativeWindowHandle;17                var notepadWindowHandle = notepadWindow.Properties.NativeWindowHandle;18                var notepadWindowHandle = notepadWindow.Properties.NativeWindowHandle;19                var notepadWindowHandle = notepadWindow.Properties.NativeWindowHandle;20                var notepadWindowHandle = notepadWindow.Properties.NativeWindowHandle;21                var notepadWindowHandle = notepadWindow.Properties.NativeWindowHandle;22                var notepadWindowHandle = notepadWindow.Properties.NativeWindowHandle;23                var notepadWindowHandle = notepadWindow.Properties.NativeWindowHandle;24                var notepadWindowHandle = notepadWindow.Properties.NativeWindowHandle;25                var notepadWindowHandle = notepadWindow.Properties.NativeWindowHandle;26                var notepadWindowHandle = notepadWindow.Properties.NativeWindowHandle;

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.