Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

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

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

Win32Fallback.cs

Source:Win32Fallback.cs

...186            {187                return IntPtr.Zero;188            }189            IntPtr hwndEdit = IntPtr.Zero;190            IntPtr hwndChild = User32.FindWindowEx(windowHandle, IntPtr.Zero, null, null);191            while (hwndChild != IntPtr.Zero)192            {193                StringBuilder childClassName = new StringBuilder(256);194                User32.GetClassName(hwndChild, childClassName, 256);195                if (childClassName.ToString().ToLower().Contains("edit"))196                {197                    hwndEdit = hwndChild;198                    break;199                }200                hwndChild = User32.FindWindowEx(windowHandle, hwndChild, null, null);201            }202            return hwndEdit;203        }204        internal static string GetWindowClassName(IntPtr handle)205        {206            if (handle == IntPtr.Zero)207            {208                return null;209            }210            StringBuilder className = new StringBuilder(256);211            User32.GetClassName(handle, className, 256);212            return className.ToString();213        }214        // gets the selected date/dates from a Win32 calendar...

User32.cs

Source:User32.cs

...73        public static extern bool AttachThreadInput(uint idAttach, uint idAttachTo, bool fAttach);74        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]75        public static extern int GetClassName(IntPtr hWnd, StringBuilder lpClassName, int nMaxCount);76        [DllImport("user32.dll", SetLastError = true)]77        public static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);78        [DllImport("User32.dll", SetLastError = true)]79        public static extern bool InitializeTouchInjection(uint maxCount = 256, InjectedInputVisualizationMode feedbackMode = InjectedInputVisualizationMode.DEFAULT);80        [DllImport("User32.dll", SetLastError = true)]81        public static extern bool InjectTouchInput(int count, [MarshalAs(UnmanagedType.LPArray), In] POINTER_TOUCH_INFO[] contacts);82        [DllImport("kernel32.dll", SetLastError = true)]83        public static extern IntPtr OpenProcess(ProcessAccessFlags processAccess, bool bInheritHandle, int processId);84        [DllImport("kernel32.dll", SetLastError = true, ExactSpelling = true)]85        public static extern IntPtr VirtualAllocEx(IntPtr hProcess, IntPtr lpAddress, uint dwSize, AllocationType flAllocationType, MemoryProtection flProtect);86        [DllImport("kernel32.dll", SetLastError = true)]87        public static extern bool ReadProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, IntPtr lpBuffer, int dwSize, out IntPtr lpNumberOfBytesRead);88        [DllImport("kernel32.dll", SetLastError = true, ExactSpelling = true)]89        public static extern bool VirtualFreeEx(IntPtr hProcess, IntPtr lpAddress, int dwSize, AllocationType dwFreeType);90        [DllImport("kernel32.dll", SetLastError = true)]91        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]...

FindWindowEx

Using AI Code Generation

1using FlaUI.Core.WindowsAPI;2using System;3using System.Runtime.InteropServices;4{5    {6        static void Main(string[] args)7        {8            var window = User32.FindWindowEx(IntPtr.Zero, IntPtr.Zero, "Notepad", null);9            Console.WriteLine(window.ToString());10            Console.ReadLine();11        }12    }13}14using FlaUI.Core.WindowsAPI;15using System;16using System.Runtime.InteropServices;17{18    {19        static void Main(string[] args)20        {21            var window = User32.FindWindow("Notepad", null);22            Console.WriteLine(window.ToString());23            Console.ReadLine();24        }25    }26}27using FlaUI.Core.WindowsAPI;28using System;29using System.Runtime.InteropServices;30{31    {32        static void Main(string[] args)33        {34            var window = User32.FindWindow("Notepad", null);35            Console.WriteLine(window.ToString());36            Console.ReadLine();37        }38    }39}40using FlaUI.Core.WindowsAPI;41using System;42using System.Runtime.InteropServices;43{44    {45        static void Main(string[] args)46        {47            var window = User32.FindWindow("Notepad", null);48            Console.WriteLine(window.ToString());49            Console.ReadLine();50        }51    }52}53using FlaUI.Core.WindowsAPI;54using System;

FindWindowEx

Using AI Code Generation

1using FlaUI.Core.WindowsAPI;2using System;3using System.Runtime.InteropServices;4using System.Text;5using System.Threading;6{7    {8        static void Main(string[] args)9        {10            System.Diagnostics.Process.Start("notepad.exe");11            Thread.Sleep(5000);12            IntPtr windowHandle = User32.FindWindow(null, "Untitled - Notepad");13            IntPtr childHandle = User32.FindWindowEx(windowHandle, IntPtr.Zero, "Edit", null);14            User32.SendMessage(childHandle, 0x000C, IntPtr.Zero, "Hello World");15            Console.WriteLine("Text sent to the Notepad");

FindWindowEx

Using AI Code Generation

1using System;2using System.Diagnostics;3using System.Runtime.InteropServices;4using System.Windows.Forms;5using FlaUI.Core.WindowsAPI;6using FlaUI.UIA3;7using FlaUI.Core.AutomationElements;8using FlaUI.Core;9using FlaUI.Core.Definitions;10using FlaUI.Core.Patterns;11using FlaUI.Core.Identifiers;12using System.Threading;13using System.Collections.Generic;14using System.Linq;15using System.Text;16using System.Threading.Tasks;17using System.IO;18using System.Windows.Automation;19using System.Windows.Automation.Text;20using System.Windows.Automation.Provider;21{22    {23        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]24        static extern IntPtr FindWindowEx(IntPtr parentHandle, IntPtr childAfter, string className, string windowTitle);25        static void Main(string[] args)26        {27            IntPtr hWnd = FindWindowEx(IntPtr.Zero, IntPtr.Zero, null, "Untitled - Notepad");28            Console.WriteLine(hWnd);29            Console.ReadLine();30        }31    }32}33using System;34using System.Diagnostics;35using System.Runtime.InteropServices;36using System.Windows.Forms;37using FlaUI.Core.WindowsAPI;38using FlaUI.UIA3;39using FlaUI.Core.AutomationElements;40using FlaUI.Core;41using FlaUI.Core.Definitions;42using FlaUI.Core.Patterns;43using FlaUI.Core.Identifiers;44using System.Threading;45using System.Collections.Generic;46using System.Linq;47using System.Text;48using System.Threading.Tasks;49using System.IO;50using System.Windows.Automation;51using System.Windows.Automation.Text;52using System.Windows.Automation.Provider;53{54    {55        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]56        static extern IntPtr FindWindowEx(IntPtr parentHandle, IntPtr childAfter, string className, string windowTitle);57        static void Main(string[] args)58        {59            IntPtr hWnd = FindWindowEx(IntPtr.Zero, IntPtr.Zero, null, "Untitled - Notepad");60            Console.WriteLine(hWnd);61            Console.ReadLine();62        }63    }64}65using System;66using System.Diagnostics;67using System.Runtime.InteropServices;68using System.Windows.Forms;69using FlaUI.Core.WindowsAPI;

FindWindowEx

Using AI Code Generation

1using System;2using System.Diagnostics;3using System.Windows.Forms;4using FlaUI.Core.WindowsAPI;5using FlaUI.Core.WindowsAPI;6{7    {8        public Form1()9        {10            InitializeComponent();11        }12        private void button1_Click(object sender, EventArgs e)13        {14            var handle = User32.FindWindowEx(IntPtr.Zero, IntPtr.Zero, "Notepad", null);15            User32.GetWindowThreadProcessId(handle, out var processId);16            var process = Process.GetProcessById(processId);17            MessageBox.Show(process.ProcessName);18        }19    }20}

FindWindowEx

Using AI Code Generation

1using FlaUI.Core.WindowsAPI;2using System;3{4    {5        static void Main(string[] args)6        {7            var app = Application.Launch(@"C:\Windows\System32\calc.exe");8            var window = app.GetMainWindow();9            var button = User32.FindWindowEx(window.GetHandle(), IntPtr.Zero, "Button", "3");10            Console.WriteLine(button);11        }12    }13}14using FlaUI.Core.AutomationElements;15using FlaUI.Core.WindowsAPI;16using System;17{18    {19        static void Main(string[] args)20        {21            var app = Application.Launch(@"C:\Windows\System32\calc.exe");22            var window = app.GetMainWindow();23            var button = User32.FindWindowEx(window.GetHandle(), IntPtr.Zero, "Button", "3");24            var buttonElement = new Button(window, button);25            buttonElement.Click();26        }27    }28}

FindWindowEx

Using AI Code Generation

1using FlaUI.Core.WindowsAPI;2using System;3using System.Diagnostics;4using System.Runtime.InteropServices;5using System.Windows.Forms;6{7    {8        public Form1()9        {10            InitializeComponent();11        }12        private void button1_Click(object sender, EventArgs e)13        {14            IntPtr hWnd = User32.FindWindowEx(IntPtr.Zero, IntPtr.Zero, "Notepad", null);15            User32.SendMessage(hWnd, 0x0010, IntPtr.Zero, IntPtr.Zero);16        }17    }18}19IntPtr hWnd = User32.FindWindowEx(IntPtr.Zero, IntPtr.Zero, "Notepad", null);20IntPtr hWnd = User32.FindWindow("Notepad", null);21IntPtr hWnd = User32.FindWindowEx(IntPtr.Zero, IntPtr.Zero, "Notepad", null);22IntPtr hWnd = User32.FindWindowEx(IntPtr.Zero, IntPtr.Zero, "Notepad", null);23IntPtr hWnd = User32.FindWindow("Notepad", null);24IntPtr hWnd = User32.FindWindowEx(IntPtr.Zero, IntPtr.Zero, "Notepad", null);

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.