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));
}
