Process GetParent(Process child)
{
if (child == null)
{
throw new ArgumentNullException("child");
}
try
{
int parentPid = 0;
IntPtr hnd = Kernel32.CreateToolhelp32Snapshot(Kernel32.TH32CS_SNAPPROCESS, 0);
if (hnd == IntPtr.Zero)
{
return(null);
}
var processInfo = new Kernel32.PROCESSENTRY32
{
dwSize = (uint)Marshal.SizeOf(typeof(Kernel32.PROCESSENTRY32))
};
if (Kernel32.Process32First(hnd, ref processInfo) == false)
{
return(null);
}
do
{
if (child.Id == processInfo.th32ProcessID)
{
parentPid = (int)processInfo.th32ParentProcessID;
}
}while (parentPid == 0 && Kernel32.Process32Next(hnd, ref processInfo));
if (parentPid > 0)
{
return(Process.GetProcessById(parentPid));
}
}
catch (Exception ex)
{
_log.Error("Unable to get parent process (ignored)", ex);
}
return(null);
}
Process GetParent(Process child)
{
if (child == null)
throw new ArgumentNullException("child");
try
{
int parentPid = 0;
IntPtr hnd = Kernel32.CreateToolhelp32Snapshot(Kernel32.TH32CS_SNAPPROCESS, 0);
if (hnd == IntPtr.Zero)
return null;
var processInfo = new Kernel32.PROCESSENTRY32
{
dwSize = (uint)Marshal.SizeOf(typeof(Kernel32.PROCESSENTRY32))
};
if (Kernel32.Process32First(hnd, ref processInfo) == false)
return null;
do
{
if (child.Id == processInfo.th32ProcessID)
parentPid = (int)processInfo.th32ParentProcessID;
}
while (parentPid == 0 && Kernel32.Process32Next(hnd, ref processInfo));
if (parentPid > 0)
return Process.GetProcessById(parentPid);
}
catch (Exception ex)
{
_log.Error("Unable to get parent process (ignored)", ex);
}
return null;
}