internal static Process GetParentProcess()
{
var snapshotHandle = IntPtr.Zero;
try
{
// Get a list of all processes
snapshotHandle = Interop.Kernel32.CreateToolhelp32Snapshot(Interop.Kernel32.SnapshotFlags.Process, 0);
Interop.Kernel32.PROCESSENTRY32 procEntry = default(Interop.Kernel32.PROCESSENTRY32);
procEntry.dwSize = Marshal.SizeOf(typeof(Interop.Kernel32.PROCESSENTRY32));
if (Interop.Kernel32.Process32First(snapshotHandle, ref procEntry))
{
var currentProcessId = Process.GetCurrentProcess().Id;
do
{
if (currentProcessId == procEntry.th32ProcessID)
{
return(Process.GetProcessById((int)procEntry.th32ParentProcessID));
}
}while (Interop.Kernel32.Process32Next(snapshotHandle, ref procEntry));
}
}
catch (Exception)
{
}
finally
{
Interop.Kernel32.CloseHandle(snapshotHandle);
}
return(null);
}
internal static unsafe Process?GetParentProcess()
{
nint snapshotHandle = 0;
try
{
// Get a list of all processes
snapshotHandle = Interop.Kernel32.CreateToolhelp32Snapshot(Interop.Kernel32.SnapshotFlags.Process, 0);
Interop.Kernel32.PROCESSENTRY32 procEntry = default;
procEntry.dwSize = sizeof(Interop.Kernel32.PROCESSENTRY32);
if (Interop.Kernel32.Process32First(snapshotHandle, &procEntry))
{
int currentProcessId =
#if NET
Environment.ProcessId;
#else
Process.GetCurrentProcess().Id;
#endif
do
{
if (currentProcessId == procEntry.th32ProcessID)
{
return(Process.GetProcessById(procEntry.th32ParentProcessID));
}
}while (Interop.Kernel32.Process32Next(snapshotHandle, &procEntry));
}
}
catch (Exception)
{
}
finally
{
Interop.Kernel32.CloseHandle(snapshotHandle);
}
return(null);
}
