OffenSive Csharp Development Part1

[DllImport("User32.dll")] static extern Boolean MessageBeep(UInt32 beepType);

[DllImport("user32.dll", SetLastError = true, CharSet= CharSet.Auto)]public static extern int MessageBox(int hWnd, String text, String caption, uint type);

using System;using System.Timers;using System.Windows.Forms;using System.IO;using System.Runtime.InteropServices;
namespace Basic3{
    class Program     {        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]        public static extern int MessageBox(int hWnd, String text, String caption, uint type);        static void Main(string[] args) {            MessageBox(0, "Hello World!", "Hello Dialog", 0);        }    }}

BOOL MiniDumpWriteDump(  HANDLE                            hProcess,  DWORD                             ProcessId,  HANDLE                            hFile,  MINIDUMP_TYPE                     DumpType,  PMINIDUMP_EXCEPTION_INFORMATION   ExceptionParam,  PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,  PMINIDUMP_CALLBACK_INFORMATION    CallbackParam);

[UnmanagedFunctionPointer(CallingConvention.Cdecl)]public static delegate {callback};

[UnmanagedFunctionPointer(CallingConvention.Cdecl)]private delegate bool  MiniDumpWriteDump(IntPtr hProcess, uint ProcessId, SafeHandle hFile, int DumpType, IntPtr ExceptionParam, IntPtr UserStreamParam, IntPtr CallbackParam);

var MyFunctionPointer = (DMyUserCallFunction)Marshal.GetDelegateForFunctionPointer(AddressOfFunction, typeof(DMyUserCallFunction));

IntPtr createPtr = GetProcAddress(LoadLibrary("Dbghelp.dll"), "MiniDumpWriteDump");MiniDumpWriteDump miniDumpWriteDump = (MiniDumpWriteDump)Marshal.GetDelegateForFunctionPointer(createPtr, typeof(MiniDumpWriteDump));

//import Win32API        [DllImport("kernel32.dll", SetLastError = true)]        public static extern IntPtr LoadLibrary(string dll);
        [DllImport("kernel32.dll", SetLastError = true)]        public static extern IntPtr GetProcAddress(IntPtr hModule, string name);

Process.GetProcessById

typedef enum _MINIDUMP_TYPE {  MiniDumpNormal,  MiniDumpWithDataSegs,  MiniDumpWithFullMemory,  MiniDumpWithHandleData,  MiniDumpFilterMemory,  MiniDumpScanMemory,  MiniDumpWithUnloadedModules,  MiniDumpWithIndirectlyReferencedMemory,  MiniDumpFilterModulePaths,  MiniDumpWithProcessThreadData,  MiniDumpWithPrivateReadWriteMemory,  MiniDumpWithoutOptionalData,  MiniDumpWithFullMemoryInfo,  MiniDumpWithThreadInfo,  MiniDumpWithCodeSegs,  MiniDumpWithoutAuxiliaryState,  MiniDumpWithFullAuxiliaryState,  MiniDumpWithPrivateWriteCopyMemory,  MiniDumpIgnoreInaccessibleMemory,  MiniDumpWithTokenInformation,  MiniDumpWithModuleHeaders,  MiniDumpFilterTriage,  MiniDumpWithAvxXStateContext,  MiniDumpWithIptTrace,  MiniDumpScanInaccessiblePartialPages,  MiniDumpValidTypeFlags} MINIDUMP_TYPE;