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ProcessOther.cs
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ProcessOther.cs
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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Text;
using System.Runtime.InteropServices;
using PInvoke;
namespace run_runner
{
public class ParentProcess
{
[DllImport("kernel32.dll", SetLastError = true)]
static extern IntPtr CreateToolhelp32Snapshot(uint dwFlags, uint th32ProcessId);
[DllImport("kernel32.dll")]
static extern bool Process32First(IntPtr hSnapshot, ref PROCESSENTRY32 lppe);
[DllImport("kernel32.dll")]
static extern bool Process32Next(IntPtr hSnapshot, ref PROCESSENTRY32 lppe);
public static String ProcessName
{
get { return GetParentProcess().ProcessName; }
}
public static int ProcessId
{
get { return GetParentProcess().Id; }
}
public static String FullPath
{
get
{
return GetParentProcess().MainModule.FileName;
}
}
public static String FileName
{
get
{
return System.IO.Path.GetFileName(GetParentProcess().MainModule.FileName);
}
}
public static String DirectoryName
{
get
{
return System.IO.Path.GetDirectoryName(GetParentProcess().MainModule.FileName);
}
}
public static Process GetParentProcess(int iCurrentPid = 0)
{
int iParentPid = 0;
if(iCurrentPid == 0)
iCurrentPid = Process.GetCurrentProcess().Id;
IntPtr oHnd = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
if(oHnd == IntPtr.Zero)
return null;
PROCESSENTRY32 oProcInfo = new PROCESSENTRY32();
oProcInfo.dwSize = (uint) System.Runtime.InteropServices.Marshal.SizeOf(typeof(PROCESSENTRY32));
if (Process32First(oHnd, ref oProcInfo) == false)
{
Kernel32.CloseHandle(oHnd);
return null;
}
do
{
if(iCurrentPid == oProcInfo.th32ProcessID)
iParentPid = (int) oProcInfo.th32ParentProcessID;
}
while(iParentPid == 0 && Process32Next(oHnd, ref oProcInfo));
Kernel32.CloseHandle(oHnd);
if(iParentPid > 0)
return Process.GetProcessById(iParentPid);
else
return null;
}
static uint TH32CS_SNAPPROCESS = 2;
[StructLayout(LayoutKind.Sequential)]
public struct PROCESSENTRY32
{
public uint dwSize;
public uint cntUsage;
public uint th32ProcessID;
public IntPtr th32DefaultHeapID;
public uint th32ModuleID;
public uint cntThreads;
public uint th32ParentProcessID;
public int pcPriClassBase;
public uint dwFlags;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
public string szExeFile;
};
}
}