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74 lines
2.3 KiB
74 lines
2.3 KiB
using System;
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using System.Diagnostics;
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using System.Runtime.InteropServices;
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namespace Ameliorated.ConsoleUtils
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{
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public static class ParentProcess
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{
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private static readonly uint TH32CS_SNAPPROCESS = 2;
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public static string ProcessName = Get().ProcessName;
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public static Process Get()
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{
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try
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{
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var iParentPid = 0;
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var iCurrentPid = Process.GetCurrentProcess().Id;
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var oHnd = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
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if (oHnd == IntPtr.Zero)
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return null;
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var oProcInfo = new PROCESSENTRY32();
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oProcInfo.dwSize =
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(uint)Marshal.SizeOf(typeof(PROCESSENTRY32));
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if (Process32First(oHnd, ref oProcInfo) == false)
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return null;
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do
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{
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if (iCurrentPid == oProcInfo.th32ProcessID)
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iParentPid = (int)oProcInfo.th32ParentProcessID;
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} while (iParentPid == 0 && Process32Next(oHnd, ref oProcInfo));
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if (iParentPid > 0)
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return Process.GetProcessById(iParentPid);
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return null;
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} catch (Exception e)
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{
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return null;
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}
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}
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[DllImport("kernel32.dll", SetLastError = true)]
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private static extern IntPtr CreateToolhelp32Snapshot(uint dwFlags, uint th32ProcessID);
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[DllImport("kernel32.dll")]
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private static extern bool Process32First(IntPtr hSnapshot, ref PROCESSENTRY32 lppe);
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[DllImport("kernel32.dll")]
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private static extern bool Process32Next(IntPtr hSnapshot, ref PROCESSENTRY32 lppe);
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[StructLayout(LayoutKind.Sequential)]
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public struct PROCESSENTRY32
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{
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public uint dwSize;
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public uint cntUsage;
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public uint th32ProcessID;
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public IntPtr th32DefaultHeapID;
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public uint th32ModuleID;
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public uint cntThreads;
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public uint th32ParentProcessID;
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public int pcPriClassBase;
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public uint dwFlags;
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
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public string szExeFile;
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}
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}
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}
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