internal static Process GetParentProcess(Process process)
{
int pid = process.Id;
Process parentProc = null;
IntPtr handleToSnapshot = IntPtr.Zero;
try
{
NM.ProcessEntry32 procEntry = new NM.ProcessEntry32();
procEntry.dwSize = (uint)Marshal.SizeOf(typeof(NM.ProcessEntry32));
handleToSnapshot = NM.CreateToolhelp32Snapshot(NM.ToolHelpCreateSnapshotFlags.Process, 0);
if (NM.Process32First(handleToSnapshot, ref procEntry))
{
do
{
if (pid == procEntry.th32ProcessID)
{
parentProc = Process.GetProcessById((int)procEntry.th32ParentProcessID);
break;
}
}while (NM.Process32Next(handleToSnapshot, ref procEntry));
}
else
{
throw GUI.ApeException("Failed with win32 error code " + Marshal.GetLastWin32Error().ToString());
}
}
finally
{
NM.CloseHandle(handleToSnapshot);
}
return(parentProc);
}