private struct PROCESS_BASIC_INFORMATION

    get { return (int)Marshal.SizeOf(typeof(PROCESS_BASIC_INFORMATION)); }

Private Structure PROCESS_BASIC_INFORMATION

ref PROCESS_BASIC_INFORMATION pbi, int cb, out int pSize);

See also PROCESS_BASIC_INFORMATION, PROCESSINFOCLASS, OpenProcess, CloseHandle.

        //Allocate memory for a new PROCESS_BASIC_INFORMATION structure

        IntPtr pbi = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(PROCESS_BASIC_INFORMATION)));

        queryStatus = NtQueryInformationProcess(hProc, 0, pbi, (uint)Marshal.SizeOf(typeof(PROCESS_BASIC_INFORMATION)), outLong);

        outPtr = PtrToStructure<PROCESS_BASIC_INFORMATION>(pbi, typeof(PROCESS_BASIC_INFORMATION)).PebBaseAddress;

        PROCESS_BASIC_INFORMATION pbi = new PROCESS_BASIC_INFORMATION();

    ProcessBasicInformation = 0, // 0, q: PROCESS_BASIC_INFORMATION, PROCESS_EXTENDED_BASIC_INFORMATION