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

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

Win32Fallback.cs

Source:Win32Fallback.cs

...373            {374                throw new Exception("Insufficient rights");375            }376            IntPtr lpNumberOfBytesWritten = IntPtr.Zero;377            if (User32.WriteProcessMemory(hProcess, hMem, systemtime, Marshal.SizeOf(systemtime), out lpNumberOfBytesWritten) == false)378            {379                throw new Exception("Insufficient rights");380            }381            User32.SendMessage(handle, Win32CalendarMessages.MCM_SETCURSEL, IntPtr.Zero, hMem);382            // release memory383            User32.VirtualFreeEx(hProcess, hMem, Marshal.SizeOf(systemtime),384                AllocationType.Decommit | AllocationType.Release);385            User32.CloseHandle(hProcess);386        }387        // Selects a range in a multiple selection Win32 calendar. The range is specified by the first and the last date.388        // If the calendar is single selection then the second date will be selected.389        // The "dates" parameter should always contain two dates.390        internal static void SetSelectedRange(IntPtr handle, DateTime[] dates)391        {392            if (handle == IntPtr.Zero || GetWindowClassName(handle) != "SysMonthCal32")393            {394                throw new Exception("Not supported for this type of calendar");395            }396            if (dates.Length != 2)397            {398                throw new Exception("Dates array length must be 2");399            }400            uint styles = User32.GetWindowLong(handle, WindowLongParam.GWL_STYLE);401            if ((styles & Win32CalendarStyles.MCS_MULTISELECT) == 0)402            {403                // singleselect calendar404                SetSelectedDate(handle, dates[1]);405                return;406            }407            uint procid = 0;408            User32.GetWindowThreadProcessId(handle, out procid);409            IntPtr hProcess = User32.OpenProcess(ProcessAccessFlags.All, false, (int)procid);410            if (hProcess == IntPtr.Zero)411            {412                throw new Exception("Insufficient rights");413            }414            SYSTEMTIME systemtime1 = new SYSTEMTIME();415            systemtime1.Year = (short)dates[0].Year;416            systemtime1.Month = (short)dates[0].Month;417            systemtime1.Day = (short)dates[0].Day;418            systemtime1.DayOfWeek = (short)dates[0].DayOfWeek;419            systemtime1.Hour = (short)dates[0].Hour;420            systemtime1.Minute = (short)dates[0].Minute;421            systemtime1.Second = (short)dates[0].Second;422            systemtime1.Milliseconds = (short)dates[0].Millisecond;423            SYSTEMTIME systemtime2 = new SYSTEMTIME();424            systemtime2.Year = (short)dates[1].Year;425            systemtime2.Month = (short)dates[1].Month;426            systemtime2.Day = (short)dates[1].Day;427            systemtime2.DayOfWeek = (short)dates[1].DayOfWeek;428            systemtime2.Hour = (short)dates[1].Hour;429            systemtime2.Minute = (short)dates[1].Minute;430            systemtime2.Second = (short)dates[1].Second;431            systemtime2.Milliseconds = (short)dates[1].Millisecond;432            // allocate memory in the process of the calendar433            IntPtr hMem = User32.VirtualAllocEx(hProcess, IntPtr.Zero, (uint)(2 * Marshal.SizeOf(systemtime1)),434                AllocationType.Commit | AllocationType.Reserve, MemoryProtection.ReadWrite);435            if (hMem == IntPtr.Zero)436            {437                throw new Exception("Insufficient rights");438            }439            IntPtr lpNumberOfBytesWritten = IntPtr.Zero;440            if (User32.WriteProcessMemory(hProcess, hMem, systemtime1, Marshal.SizeOf(systemtime1), out lpNumberOfBytesWritten) == false)441            {442                throw new Exception("Insufficient rights");443            }444            IntPtr hMem2 = new IntPtr(hMem.ToInt64() + Marshal.SizeOf(systemtime1));445            if (User32.WriteProcessMemory(hProcess, hMem2, systemtime2, Marshal.SizeOf(systemtime2), out lpNumberOfBytesWritten) == false)446            {447                throw new Exception("Insufficient rights");448            }449            User32.SendMessage(handle, Win32CalendarMessages.MCM_SETSELRANGE, IntPtr.Zero, hMem);450            // release memory451            User32.VirtualFreeEx(hProcess, hMem, 2 * Marshal.SizeOf(systemtime1),452                AllocationType.Decommit | AllocationType.Release);453            User32.CloseHandle(hProcess);454        }455        // gets the selected date from a Win32 DateTimePicker456        internal static DateTime? GetDTPSelectedDate(IntPtr handle)457        {458            uint procid = 0;459            User32.GetWindowThreadProcessId(handle, out procid);460            IntPtr hProcess = User32.OpenProcess(ProcessAccessFlags.All, false, (int)procid);461            if (hProcess == IntPtr.Zero)462            {463                throw new Exception("Insufficient rights");464            }465            SYSTEMTIME systemtime = new SYSTEMTIME();466            IntPtr hMem = User32.VirtualAllocEx(hProcess, IntPtr.Zero, (uint)Marshal.SizeOf(systemtime),467                AllocationType.Commit | AllocationType.Reserve, MemoryProtection.ReadWrite);468            if (hMem == IntPtr.Zero)469            {470                throw new Exception("Insufficient rights");471            }472            IntPtr lResult = User32.SendMessage(handle, DateTimePicker32Messages.DTM_GETSYSTEMTIME, IntPtr.Zero, hMem);473            if (lResult.ToInt32() == (int)(DateTimePicker32Constants.GDT_NONE))474            {475                // DateTimePicker is unchecked and grayed out476                User32.VirtualFreeEx(hProcess, hMem, Marshal.SizeOf(systemtime), AllocationType.Decommit | AllocationType.Release);477                User32.CloseHandle(hProcess);478                return null;479            }480            IntPtr address = Marshal.AllocHGlobal(Marshal.SizeOf(systemtime));481            IntPtr lpNumberOfBytesRead = IntPtr.Zero;482            if (User32.ReadProcessMemory(hProcess, hMem, address, Marshal.SizeOf(systemtime), out lpNumberOfBytesRead) == false)483            {484                throw new Exception("Insufficient rights");485            }486            systemtime = (SYSTEMTIME)Marshal.PtrToStructure(address, typeof(SYSTEMTIME));487            Marshal.FreeHGlobal(address);488            User32.VirtualFreeEx(hProcess, hMem, Marshal.SizeOf(systemtime), AllocationType.Decommit | AllocationType.Release);489            User32.CloseHandle(hProcess);490            DateTime datetime;491            try492            {493                datetime = new DateTime(systemtime.Year, systemtime.Month, systemtime.Day,494                    systemtime.Hour, systemtime.Minute, systemtime.Second);495            }496            catch497            {498                datetime = new DateTime(systemtime.Year, systemtime.Month, systemtime.Day,499                    0, 0, 0);500            }501            return datetime;502        }503        // sets the selected date in a Win32 DateTimePicker.504        // if "date" parameter is null then the DateTimePicker will be unchecked and grayed out.505        internal static void SetDTPSelectedDate(IntPtr handle, DateTime? date)506        {507            if (handle == IntPtr.Zero || GetWindowClassName(handle) != "SysDateTimePick32")508            {509                throw new Exception("Not supported for this type of DateTimePicker");510            }511            if (date == null)512            {513                User32.SendMessage(handle, DateTimePicker32Messages.DTM_SETSYSTEMTIME, new IntPtr(DateTimePicker32Constants.GDT_NONE), IntPtr.Zero);514                return;515            }516            uint procid = 0;517            User32.GetWindowThreadProcessId(handle, out procid);518            IntPtr hProcess = User32.OpenProcess(ProcessAccessFlags.All, false, (int)procid);519            if (hProcess == IntPtr.Zero)520            {521                throw new Exception("Insufficient rights");522            }523            SYSTEMTIME systemtime = new SYSTEMTIME();524            systemtime.Year = (short)date.Value.Year;525            systemtime.Month = (short)date.Value.Month;526            systemtime.Day = (short)date.Value.Day;527            systemtime.DayOfWeek = (short)date.Value.DayOfWeek;528            systemtime.Hour = (short)date.Value.Hour;529            systemtime.Minute = (short)date.Value.Minute;530            systemtime.Second = (short)date.Value.Second;531            systemtime.Milliseconds = (short)date.Value.Millisecond;532            IntPtr hMem = User32.VirtualAllocEx(hProcess, IntPtr.Zero, (uint)Marshal.SizeOf(systemtime),533                AllocationType.Commit | AllocationType.Reserve, MemoryProtection.ReadWrite);534            if (hMem == IntPtr.Zero)535            {536                throw new Exception("Insufficient rights");537            }538            IntPtr lpNumberOfBytesWritten = IntPtr.Zero;539            if (User32.WriteProcessMemory(hProcess, hMem, systemtime, Marshal.SizeOf(systemtime),540                out lpNumberOfBytesWritten) == false)541            {542                throw new Exception("Insufficient rights");543            }544            User32.SendMessage(handle, DateTimePicker32Messages.DTM_SETSYSTEMTIME, new IntPtr(DateTimePicker32Constants.GDT_VALID), hMem);545            User32.VirtualFreeEx(hProcess, hMem, Marshal.SizeOf(systemtime), AllocationType.Decommit | AllocationType.Release);546            User32.CloseHandle(hProcess);547        }548    }549}...

User32.cs

Source:User32.cs

...92        [SuppressUnmanagedCodeSecurity]93        [return: MarshalAs(UnmanagedType.Bool)]94        public static extern bool CloseHandle(IntPtr hObject);95        [DllImport("kernel32.dll", SetLastError = true)]96        public static extern bool WriteProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress,97            [MarshalAs(UnmanagedType.AsAny)] object lpBuffer, int dwSize, out IntPtr lpNumberOfBytesWritten);98    }99#pragma warning restore CS1591 // Missing XML comment for publicly visible type or member100}...

WriteProcessMemory

Using AI Code Generation

1using FlaUI.Core.WindowsAPI;2using System;3using System.Diagnostics;4using System.Runtime.InteropServices;5{6    {7        [DllImport("user32.dll", SetLastError = true)]8        public static extern bool WriteProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, byte[] lpBuffer, int nSize, out IntPtr lpNumberOfBytesWritten);9    }10}11using FlaUI.Core.WindowsAPI;12using System;13using System.Diagnostics;14using System.Runtime.InteropServices;15{16    {17        [DllImport("kernel32.dll", SetLastError = true)]18        public static extern IntPtr VirtualAllocEx(IntPtr hProcess, IntPtr lpAddress, uint dwSize, AllocationType flAllocationType, MemoryProtection flProtect);19    }20}21using FlaUI.Core.WindowsAPI;22using System;23using System.Diagnostics;24using System.Runtime.InteropServices;25{26    {27        [DllImport("user32.dll", SetLastError = true)]28        public static extern IntPtr GetWindowLongPtr(IntPtr hWnd, int nIndex);29    }30}31using FlaUI.Core.WindowsAPI;32using System;33using System.Diagnostics;34using System.Runtime.InteropServices;35{36    {37        [DllImport("user32.dll", SetLastError = true)]38        public static extern IntPtr SetWindowLongPtr(IntPtr hWnd, int nIndex, IntPtr dwNewLong);39    }40}41using FlaUI.Core.WindowsAPI;42using System;43using System.Diagnostics;44using System.Runtime.InteropServices;45{46    {47        [DllImport("user32.dll", SetLastError = true)]48        public static extern int GetWindowLong(IntPtr hWnd, int nIndex);49    }50}

WriteProcessMemory

Using AI Code Generation

1using FlaUI.Core.WindowsAPI;2using System;3using System.Diagnostics;4using System.Runtime.InteropServices;5using System.Text;6{7    {8        static void Main(string[] args)9        {10            IntPtr hProc = OpenProcess(0x001F0FFF, false, 0x00000004);11            IntPtr addr = VirtualAllocEx(hProc, IntPtr.Zero, 0x1000, 0x00003000, 0x04);12            WriteProcessMemory(hProc, addr, Encoding.ASCII.GetBytes("Hello World!"), 0x0C, 0);13            IntPtr hThread = CreateRemoteThread(hProc, IntPtr.Zero, 0, addr, IntPtr.Zero, 0, IntPtr.Zero);14            WaitForSingleObject(hThread, 0xFFFFFFFF);15        }16        [DllImport("kernel32.dll", SetLastError = true)]17        public static extern IntPtr OpenProcess(uint dwDesiredAccess, bool bInheritHandle, uint dwProcessId);18        [DllImport("kernel32.dll", SetLastError = true)]19        public static extern IntPtr VirtualAllocEx(IntPtr hProcess, IntPtr lpAddress, uint dwSize, uint flAllocationType, uint flProtect);20        [DllImport("kernel32.dll", SetLastError = true)]21        public static extern bool WriteProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, byte[] lpBuffer, uint nSize, uint lpNumberOfBytesWritten);22        [DllImport("kernel32.dll", SetLastError = true)]23        public static extern IntPtr CreateRemoteThread(IntPtr hProcess, IntPtr lpThreadAttributes, uint dwStackSize, IntPtr lpStartAddress, IntPtr lpParameter, uint dwCreationFlags, IntPtr lpThreadId);24        [DllImport("kernel32.dll", SetLastError = true)]25        public static extern uint WaitForSingleObject(IntPtr hHandle, uint dwMilliseconds);26    }27}

WriteProcessMemory

Using AI Code Generation

1using System;2using System.Diagnostics;3using System.Runtime.InteropServices;4using FlaUI.Core.WindowsAPI;5{6    {7        [DllImport("user32.dll", SetLastError = true)]8        public static extern bool WriteProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, byte[] lpBuffer, uint nSize, out IntPtr lpNumberOfBytesWritten);9    }10}11using System;12using System.Diagnostics;13using System.Runtime.InteropServices;14using FlaUI.Core.WindowsAPI;15{16    {17        [DllImport("kernel32.dll", SetLastError = true)]18        public static extern IntPtr OpenProcess(ProcessAccessFlags dwDesiredAccess, bool bInheritHandle, int dwProcessId);19    }20}21using System;22using System.Diagnostics;23using System.Runtime.InteropServices;24using FlaUI.Core.WindowsAPI;25{26    {

WriteProcessMemory

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using System.Diagnostics;7using System.Threading;8using System.Windows.Forms;9using FlaUI.Core.WindowsAPI;10{11    {12        static void Main(string[] args)13        {14            Process process = Process.Start(@"C:\Users\Public\Documents\Visual Studio 2015\Projects\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe");15            Thread.Sleep(2000);16            IntPtr hWnd = process.MainWindowHandle;17            IntPtr hEdit = User32.FindWindowEx(hWnd, IntPtr.Zero, "Edit", null);18            string text = "Hello World!";19            IntPtr bytesWritten;20            User32.WriteProcessMemory(process.Handle, hEdit, text, text.Length, out bytesWritten);21            Console.WriteLine("Wrote " + bytesWritten + " bytes to process.");22            Console.WriteLine("Press any key to close the program.");23            Console.ReadKey();24        }25    }26}27using System;28using System.Collections.Generic;29using System.Linq;30using System.Text;31using System.Threading.Tasks;32using System.Diagnostics;33using System.Threading;34using System.Windows.Forms;35using FlaUI.Core.WindowsAPI;36{37    {38        static void Main(string[] args)39        {40            Process process = Process.Start(@"C:\Users\Public\Documents\Visual Studio 2015\Projects\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe");41            Thread.Sleep(2000);42            IntPtr hWnd = process.MainWindowHandle;43            IntPtr hEdit = User32.FindWindowEx(hWnd, IntPtr.Zero, "Edit", null);44            uint processId;45            uint threadId = User32.GetWindowThreadProcessId(hEdit, out processId);46            Console.WriteLine("Process ID: " + processId);47            Console.WriteLine("Thread ID: " + threadId);48            Console.WriteLine("Press any key to close the program.");49            Console.ReadKey();50        }51    }52}53using System;54using System.Collections.Generic;55using System.Linq;56using System.Text;57using System.Threading.Tasks;

WriteProcessMemory

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using System.Runtime.InteropServices;7using System.Diagnostics;8using FlaUI.Core.WindowsAPI;9{10    {11        static void Main(string[] args)12        {13            IntPtr hwnd = User32.FindWindow(null, "Notepad");14            User32.GetWindowThreadProcessId(hwnd, out int processId);15            Process process = Process.GetProcessById(processId);16            ProcessModule module = process.MainModule;17            IntPtr baseAddress = module.BaseAddress;18            string moduleName = module.ModuleName;19            IntPtr processHandle = process.Handle;20            string processName = process.ProcessName;21            byte[] keystrokes = Encoding.ASCII.GetBytes("Hello World");22            IntPtr memoryAddress = User32.VirtualAllocEx(processHandle, IntPtr.Zero, keystrokes.Length, AllocationType.Commit | AllocationType.Reserve, MemoryProtection.ExecuteReadWrite);23            User32.WriteProcessMemory(processHandle, memoryAddress, keystrokes, keystrokes.Length, out int bytesWritten);24            IntPtr threadHandle = User32.CreateRemoteThread(processHandle, IntPtr.Zero, 0, memoryAddress, IntPtr.Zero, 0, IntPtr.Zero);25            User32.WaitForSingleObject(threadHandle, 0xFFFFFFFF);26            User32.VirtualFreeEx(processHandle, memoryAddress, 0, AllocationType.Release);27            User32.CloseHandle(processHandle);28        }29    }30}

WriteProcessMemory

Using AI Code Generation

1using System;2using System.Diagnostics;3using System.Runtime.InteropServices;4using FlaUI.Core.WindowsAPI;5{6    {7        public static void WriteToMemory(string processName, int memoryLocation, int value)8        {9            Process[] process = Process.GetProcessesByName(processName);10            IntPtr handle = User32.OpenProcess(User32.ProcessAccessFlags.All, false, process[0].Id);11            IntPtr address = new IntPtr(memoryLocation);12            byte[] buffer = BitConverter.GetBytes(value);13            UIntPtr bytesWritten;14            User32.WriteProcessMemory(handle, address, buffer, (uint)buffer.Length, out bytesWritten);15        }16    }17}18using System;19using System.Diagnostics;20using System.Runtime.InteropServices;21using FlaUI.Core.WindowsAPI;22{23    {24        public static int ReadFromMemory(string processName, int memoryLocation)25        {26            Process[] process = Process.GetProcessesByName(processName);27            IntPtr handle = User32.OpenProcess(User32.ProcessAccessFlags.All, false, process[0].Id);28            IntPtr address = new IntPtr(memoryLocation);29            byte[] buffer = new byte[4];30            UIntPtr bytesRead;31            User32.ReadProcessMemory(handle, address, buffer, (uint)buffer.Length, out bytesRead);32            int value = BitConverter.ToInt32(buffer, 0);33            return value;34        }35    }36}37using System;38using System.Runtime.InteropServices;39using FlaUI.Core.WindowsAPI;40{41    {42        public static IntPtr FindWindowByName(string windowName)43        {44            IntPtr window = User32.FindWindow(null, windowName);45            return window;46        }47    }48}

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