public static IntPtr NtOpenProcess(UInt32 ProcessId, SpDi.Win32.Kernel32.ProcessAccessFlags DesiredAccess) { IntPtr ProcessHandle = IntPtr.Zero; SpDi.Native.OBJECT_ATTRIBUTES oa = new SpDi.Native.OBJECT_ATTRIBUTES(); SpDi.Native.CLIENT_ID ci = new SpDi.Native.CLIENT_ID(); ci.UniqueProcess = (IntPtr)ProcessId; object[] funcargs = { ProcessHandle, DesiredAccess, oa, ci }; SpDi.Native.NTSTATUS retValue = (SpDi.Native.NTSTATUS)Generic.DynamicAPIInvoke(@"ntdll.dll", @"NtOpenProcess", typeof(DELEGATES.NtOpenProcess), ref funcargs); if (retValue != SpDi.Native.NTSTATUS.Success && retValue == SpDi.Native.NTSTATUS.InvalidCid) { throw new InvalidOperationException("An invalid client ID was specified."); } if (retValue != SpDi.Native.NTSTATUS.Success) { throw new UnauthorizedAccessException("Access is denied."); } ProcessHandle = (IntPtr)funcargs[0]; return(ProcessHandle); }
public static IntPtr OpenProcess(SpDi.Win32.Kernel32.ProcessAccessFlags dwDesiredAccess, bool bInheritHandle, UInt32 dwProcessId) { object[] funcargs = { dwDesiredAccess, bInheritHandle, dwProcessId }; return((IntPtr)Generic.DynamicAPIInvoke(@"k" + "e" + "r" + "n" + "e" + "l" + "3" + "2" + "." + "d" + "l" + "l", @"Op" + "en" + "Pr" + "oc" + "ess", typeof(Delegates.OpenProcess), ref funcargs)); }