TestMu Conference is Back! Future of Testing + AI LambdaTest G2 Announcement

How to use GetProcAddress method of FlaUI.Core.WindowsAPI.Kernel32 class

Best FlaUI code snippet using FlaUI.Core.WindowsAPI.Kernel32.GetProcAddress

WindowsApiTools.cs

Source:WindowsApiTools.cs

...14            if (hModule == IntPtr.Zero)15            {16                return false;17            }18            IntPtr functionPointer = Kernel32.GetProcAddress(hModule, methodName);19            return functionPointer != IntPtr.Zero;20        }21        public static bool IsCurrentProcess64Bit()22        {23            return IntPtr.Size == 8;24        }25        public static bool IsProcess64Bit(Process process)26        {27            return IsProcess64Bit(process.Handle);28        }29        public static bool IsProcess64Bit(IntPtr processHandle)30        {31            if (!Tools.OperatingSystem.Is64Bit)32            {...

Kernel32.cs

Source:Kernel32.cs

...15        [ResourceExposure(ResourceScope.Process)]  // Is your module side-by-side?16        public static extern IntPtr GetModuleHandle(String moduleName);17        [DllImport(KERNEL32, CharSet = CharSet.Ansi, BestFitMapping = false, SetLastError = true, ExactSpelling = true)]18        [ResourceExposure(ResourceScope.None)]19        public static extern IntPtr GetProcAddress(IntPtr hModule, String methodName);20        [DllImport(KERNEL32, SetLastError = true, CallingConvention = CallingConvention.Winapi)]21        [return: MarshalAs(UnmanagedType.Bool)]22        [ResourceExposure(ResourceScope.Machine)]23        public static extern bool IsWow64Process([In] IntPtr hSourceProcessHandle, [Out, MarshalAs(UnmanagedType.Bool)] out bool isWow64);24    }25#pragma warning restore CS1591 // Missing XML comment for publicly visible type or member26}...

GetProcAddress

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.Runtime.InteropServices;8{9    {10        static void Main(string[] args)11        {12            IntPtr hModule = Kernel32.LoadLibrary("user32.dll");13            IntPtr address = Kernel32.GetProcAddress(hModule, "MessageBoxW");14            MessageBoxW msgBox = (MessageBoxW)Marshal.GetDelegateForFunctionPointer(address, typeof(MessageBoxW));15            msgBox(IntPtr.Zero, "Hello World", "Title", 0);16        }17    }18    public delegate int MessageBoxW(IntPtr hWnd, string lpText, string lpCaption, int uType);19}20using System;21using System.Collections.Generic;22using System.Linq;23using System.Text;24using System.Threading.Tasks;25using FlaUI.Core.WindowsAPI;26using System.Runtime.InteropServices;27{28    {29        static void Main(string[] args)30        {31            IntPtr hModule = Kernel32.LoadLibrary("user32.dll");32            IntPtr address = User32.GetProcAddress(hModule, "MessageBoxW");33            MessageBoxW msgBox = (MessageBoxW)Marshal.GetDelegateForFunctionPointer(address, typeof(MessageBoxW));34            msgBox(IntPtr.Zero, "Hello World", "Title", 0);35        }36    }37    public delegate int MessageBoxW(IntPtr hWnd, string lpText, string lpCaption, int uType);38}39using System;40using System.Collections.Generic;41using System.Linq;42using System.Text;43using System.Threading.Tasks;44using FlaUI.Core.WindowsAPI;45using System.Runtime.InteropServices;46{47    {48        static void Main(string[] args)49        {50            IntPtr hModule = Kernel32.LoadLibrary("user32.dll");51            IntPtr address = User32.GetProcAddress(hModule, "MessageBoxW");52            MessageBoxW msgBox = (MessageBoxW)Marshal.GetDelegateForFunctionPointer(address, typeof(MessageBoxW));53            msgBox(IntPtr.Zero, "Hello World", "Title", 0);54        }55    }56    public delegate int MessageBoxW(IntPtr hWnd, string lpText, string lpCaption, int uType);57}

GetProcAddress

Using AI Code Generation

1[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]2static extern IntPtr GetProcAddress(IntPtr hModule, string procName);3[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]4static extern IntPtr LoadLibrary(string lpFileName);5[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]6static extern bool FreeLibrary(IntPtr hModule);7[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]8static extern bool FreeLibraryAndExitThread(IntPtr hModule, uint dwExitCode);9[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]10static extern uint GetLastError();11[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]12static extern IntPtr GetModuleHandle(string lpFileName);13[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]14static extern uint GetModuleFileName(IntPtr hModule, StringBuilder lpFilename, uint nSize);15[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]16static extern uint GetModuleFileNameW(IntPtr hModule, StringBuilder lpFilename, uint nSize);17[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]18static extern uint GetModuleFileNameA(IntPtr hModule, StringBuilder lpFilename, uint nSize);19[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]20static extern bool GetModuleHandleEx(uint dwFlags, string lpModuleName, out IntPtr phModule);21[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]22static extern uint GetModuleFileNameEx(IntPtr hProcess, IntPtr hModule, StringBuilder lpFilename, uint nSize);23[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]24static extern uint GetModuleFileNameExW(IntPtr hProcess, IntPtr hModule, StringBuilder lpFilename, uint nSize);25[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]26static extern uint GetModuleFileNameExA(IntPtr hProcess, IntPtr hModule, StringBuilder lpFilename, uint nSize);27[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]28static extern IntPtr GetModuleHandleEx(IntPtr hModule, string lpFileName);29[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]30static extern IntPtr GetModuleHandleExW(IntPtr hModule, string lpFileName);31[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]32static extern IntPtr GetModuleHandleExA(IntPtr hModule, string lpFileName);

GetProcAddress

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 kernel32 = new Kernel32();9            var functionAddress = kernel32.GetProcAddress("kernel32.dll", "GetTickCount");10            Console.WriteLine("Function address: " + functionAddress);11        }12    }13}14using FlaUI.Core.WindowsAPI;15using System;16using System.Runtime.InteropServices;17{18    {19        static void Main(string[] args)20        {21            var kernel32 = new Kernel32();22            var functionAddress = kernel32.GetProcAddress("kernel32.dll", "GetTickCount");23            Console.WriteLine("Function address: " + functionAddress);24        }25    }26}27using FlaUI.Core.WindowsAPI;28using System;29using System.Runtime.InteropServices;30{31    {32        static void Main(string[] args)33        {34            var kernel32 = new Kernel32();35            var functionAddress = kernel32.GetProcAddress("kernel32.dll", "GetTickCount");36            Console.WriteLine("Function address: " + functionAddress);37        }38    }39}40using FlaUI.Core.WindowsAPI;41using System;42using System.Runtime.InteropServices;43{44    {45        static void Main(string[] args)46        {47            var kernel32 = new Kernel32();48            var functionAddress = kernel32.GetProcAddress("kernel32.dll", "GetTickCount");49            Console.WriteLine("Function address: " + functionAddress);50        }51    }52}53using FlaUI.Core.WindowsAPI;54using System;55using System.Runtime.InteropServices;56{57    {58        static void Main(string[] args)59        {60            var kernel32 = new Kernel32();61            var functionAddress = kernel32.GetProcAddress("kernel32.dll", "GetTickCount");62            Console.WriteLine("Function

GetProcAddress

Using AI Code Generation

1[DllImport("user32.dll")]2public static extern IntPtr GetWindowDC(IntPtr windowHandle);3[DllImport("gdi32.dll")]4public static extern int GetDeviceCaps(IntPtr hdc, DeviceCap nIndex);5[DllImport("user32.dll")]6public static extern int ReleaseDC(IntPtr windowHandle, IntPtr hdc);7[DllImport("user32.dll")]8public static extern IntPtr GetWindowDC(IntPtr windowHandle);9[DllImport("gdi32.dll")]10public static extern int GetDeviceCaps(IntPtr hdc, DeviceCap nIndex);11[DllImport("user32.dll")]12public static extern int ReleaseDC(IntPtr windowHandle, IntPtr hdc);13[DllImport("user32.dll")]14public static extern IntPtr GetWindowDC(IntPtr windowHandle);15[DllImport("gdi32.dll")]16public static extern int GetDeviceCaps(IntPtr hdc, DeviceCap nIndex);17[DllImport("user32.dll")]18public static extern int ReleaseDC(IntPtr windowHandle, IntPtr hdc);19[DllImport("user32.dll")]20public static extern IntPtr GetWindowDC(IntPtr windowHandle);21[DllImport("gdi32.dll")]22public static extern int GetDeviceCaps(IntPtr hdc, DeviceCap nIndex);23[DllImport("user32.dll")]24public static extern int ReleaseDC(IntPtr windowHandle, IntPtr hdc);25[DllImport("user32.dll")]26public static extern IntPtr GetWindowDC(IntPtr windowHandle);27[DllImport("gdi32.dll")]28public static extern int GetDeviceCaps(IntPtr hdc, DeviceCap nIndex);29[DllImport("user32.dll")]30public static extern int ReleaseDC(IntPtr windowHandle, IntPtr hdc);31[DllImport("user32.dll")]32public static extern IntPtr GetWindowDC(IntPtr windowHandle);33[DllImport("gdi32.dll")]34public static extern int GetDeviceCaps(IntPtr hdc, DeviceCap nIndex);35[DllImport("user32.dll")]36public static extern int ReleaseDC(IntPtr windowHandle, IntPtr hdc);37[DllImport("user32.dll")]

GetProcAddress

Using AI Code Generation

1using FlaUI.Core.WindowsAPI;2using System;3using System.Runtime.InteropServices;4{5    {6        public static void Main(string[] args)7        {8            IntPtr address = Kernel32.GetProcAddress(Kernel32.GetModuleHandle("user32.dll"), "MessageBoxW");9            Kernel32.CallWindowProc(address, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);10        }11    }12}13using FlaUI.Core.WindowsAPI;14using System;15using System.Runtime.InteropServices;16{17    {18        public static void Main(string[] args)19        {20            IntPtr address = Kernel32.GetProcAddress(Kernel32.GetModuleHandle("user32.dll"), "MessageBoxW");21            Kernel32.CallWindowProc(address, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);22        }23    }24}25using FlaUI.Core.WindowsAPI;26using System;27using System.Runtime.InteropServices;28{29    {30        public static void Main(string[] args)31        {32            IntPtr address = Kernel32.GetProcAddress(Kernel32.GetModuleHandle("user32.dll"), "MessageBoxW");33            Kernel32.CallWindowProc(address, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);34        }35    }36}37using FlaUI.Core.WindowsAPI;38using System;39using System.Runtime.InteropServices;40{41    {42        public static void Main(string[] args)43        {44            IntPtr address = Kernel32.GetProcAddress(Kernel32.GetModuleHandle("user32.dll"), "MessageBoxW");

GetProcAddress

Using AI Code Generation

1using System;2using System.Runtime.InteropServices;3using FlaUI.Core.WindowsAPI;4{5    {6        static void Main(string[] args)7        {8            IntPtr hMod = Kernel32.GetModuleHandle("kernel32.dll");9            IntPtr procAddress = Kernel32.GetProcAddress(hMod, "LoadLibraryW");10            LoadLibraryW loadLibraryW = Marshal.GetDelegateForFunctionPointer<LoadLibraryW>(procAddress);11            IntPtr hMod2 = loadLibraryW("user32.dll");12            Console.WriteLine($"Handle of user32.dll: {hMod2}");13        }14    }15}16using System;17using System.Runtime.InteropServices;18using FlaUI.Core.WindowsAPI;19{20    {21        static void Main(string[] args)22        {23            IntPtr hMod = Kernel32.GetModuleHandle("kernel32.dll");24            IntPtr procAddress = Kernel32.GetProcAddress(hMod, "LoadLibraryW");25            LoadLibraryW loadLibraryW = Marshal.GetDelegateForFunctionPointer<LoadLibraryW>(procAddress);26            IntPtr hMod2 = loadLibraryW("user32.dll");27            Console.WriteLine($"Handle of user32.dll: {hMod2}");28        }29    }30}31using System;32using System.Runtime.InteropServices;33using FlaUI.Core.WindowsAPI;34{35    {36        static void Main(string[] args)37        {38            IntPtr hMod = Kernel32.GetModuleHandle("kernel32.dll");39            IntPtr procAddress = Kernel32.GetProcAddress(hMod, "LoadLibraryW");40            LoadLibraryW loadLibraryW = Marshal.GetDelegateForFunctionPointer<LoadLibraryW>(procAddress);41            IntPtr hMod2 = loadLibraryW("user32.dll");42            Console.WriteLine($"Handle of user32.dll: {hMod2}");43        }44    }45}

GetProcAddress

Using AI Code Generation

1using System;2using System.Runtime.InteropServices;3{4    {5        static void Main(string[] args)6        {7            IntPtr hModule = Kernel32.LoadLibrary("user32.dll");8            Console.WriteLine("hModule: " + hModule);9            IntPtr hFunction = Kernel32.GetProcAddress(hModule, "MessageBoxW");10            Console.WriteLine("hFunction: " + hFunction);11            MessageBoxW(hFunction, "Hello World!", "Hello", 0);12        }13        [UnmanagedFunctionPointer(CallingConvention.StdCall)]14        public delegate int MessageBoxWDelegate(IntPtr hWnd, string lpText, string lpCaption, uint uType);15        public static MessageBoxWDelegate MessageBoxW;16        public static int CallMessageBoxW(IntPtr hWnd, string lpText, string lpCaption, uint uType)17        {18            return MessageBoxW(hWnd, lpText, lpCaption, uType);19        }20    }21}22using System;23using System.Runtime.InteropServices;24{25    {26        static void Main(string[] args)27        {28            IntPtr hModule = Kernel32.LoadLibrary("user32.dll");29            Console.WriteLine("hModule: " + hModule);30            IntPtr hFunction = Kernel32.GetProcAddress(hModule, "MessageBoxW");31            Console.WriteLine("hFunction: " + hFunction);32            MessageBoxW(hFunction, "Hello World!", "Hello", 0);33        }34        [UnmanagedFunctionPointer(CallingConvention.StdCall)]35        public delegate int MessageBoxWDelegate(IntPtr hWnd, string lpText, string lpCaption, uint uType);

GetProcAddress

Using AI Code Generation

1public static void Main(string[] args)2{3    IntPtr ptr = FlaUI.Core.WindowsAPI.Kernel32.GetProcAddress(FlaUI.Core.WindowsAPI.Kernel32.GetModuleHandle("user32.dll"), "GetWindowText");4    string str = FlaUI.Core.WindowsAPI.Kernel32.GetWindowText(ptr);5    Console.WriteLine(str);6    Console.ReadLine();7}8public static void Main(string[] args)9{10    IntPtr ptr = FlaUI.Core.WindowsAPI.Kernel32.GetProcAddress(FlaUI.Core.WindowsAPI.Kernel32.GetModuleHandle("user32.dll"), "GetWindowText");11    string str = FlaUI.Core.WindowsAPI.Kernel32.GetWindowText(ptr);12    Console.WriteLine(str);13    Console.ReadLine();14}15public static void Main(string[] args)16{17    IntPtr ptr = FlaUI.Core.WindowsAPI.Kernel32.GetProcAddress(FlaUI.Core.WindowsAPI.Kernel32.GetModuleHandle("user32.dll"), "GetWindowText");18    string str = FlaUI.Core.WindowsAPI.Kernel32.GetWindowText(ptr);19    Console.WriteLine(str);20    Console.ReadLine();21}22public static void Main(string[] args)23{24    IntPtr ptr = FlaUI.Core.WindowsAPI.Kernel32.GetProcAddress(FlaUI.Core.WindowsAPI.Kernel32.GetModuleHandle("user32.dll"), "GetWindowText");

GetProcAddress

Using AI Code Generation

1using System;2using System.Runtime.InteropServices;3using FlaUI.Core.WindowsAPI;4using FlaUI.Core.WindowsAPI.Kernel32;5using FlaUI.Core.WindowsAPI.User32;6{7    {8        static void Main(string[] args)9        {10            IntPtr hModule = Kernel32Functions.LoadLibraryA("C:\\Users\\Public\\Desktop\\DLL.dll");11            if (hModule != IntPtr.Zero)12            {13                IntPtr procAddress = Kernel32Functions.GetProcAddress(hModule, "Add");14                if (procAddress != IntPtr.Zero)15                {16                    int x = 10;17                    int y = 20;18                    int result = Marshal.GetDelegateForFunctionPointer<AddDelegate>(procAddress)(x, y);19                    Console.WriteLine("Result is {0}", result);20                }21            }22        }23    }24    [UnmanagedFunctionPointer(CallingConvention.Cdecl)]25    public delegate int AddDelegate(int x, int y);26}27using System;28using System.Runtime.InteropServices;29{30    {31        [DllImport("DLL.dll", CallingConvention = CallingConvention.Cdecl)]32        public static extern int Add(int x, int y);33    }34    {35        public static int Add(int x, int y)36        {37            return x + y;38        }39    }40}41int _tmain(int argc, _TCHAR* argv[])42{43    return 0;44}45extern "C" __declspec(dllexport) int Add(int x, int y)46{47    return x + y;48}

GetProcAddress

Using AI Code Generation

1using System;2using System.Runtime.InteropServices;3using FlaUI.Core.WindowsAPI;4using static FlaUI.Core.WindowsAPI.Kernel32;5{6    {7        [DllImport("kernel32.dll", SetLastError = true)]8        public static extern IntPtr GetProcAddress(IntPtr hModule, string procName);9        [DllImport("kernel32.dll", SetLastError = true)]10        public static extern IntPtr LoadLibrary(string dllToLoad);11        [DllImport("kernel32.dll", SetLastError = true)]12        public static extern bool FreeLibrary(IntPtr hModule);13    }14}15{16    {17        static void Main(string[] args)18        {19            IntPtr hModule = LoadLibrary("kernel32.dll");20            IntPtr procAddress = GetProcAddress(hModule, "GetThreadLocale");21            UInt32 threadLocale = GetThreadLocale(procAddress, 0);22            Console.WriteLine("The thread locale is: " + threadLocale);23            FreeLibrary(hModule);24        }25        public static UInt32 GetThreadLocale(IntPtr procAddress, UInt32 param)26        {27                (GetThreadLocaleDelegate)Marshal.GetDelegateForFunctionPointer(28                procAddress, typeof(GetThreadLocaleDelegate));29            return getThreadLocale(param);30        }31        public delegate UInt32 GetThreadLocaleDelegate(UInt32 param);32    }33}

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.