public static Process GetParentProcess(IntPtr handle)
{
Imports.ParentProcessUtilities processInformation = new Imports.ParentProcessUtilities();
int returnLength;
int error = Imports.ParentProcessUtilities.NtQueryInformationProcess(handle, 0, ref processInformation, Marshal.SizeOf((object)processInformation), out returnLength);
if (error != 0)
{
throw new Win32Exception(error);
}
try
{
return(Process.GetProcessById(processInformation.InheritedFromUniqueProcessId.ToInt32()));
}
catch (ArgumentException ex)
{
return((Process)null);
}
}
private static extern int NtQueryInformationProcess(
IntPtr processHandle,
int processInformationClass,
ref Imports.ParentProcessUtilities processInformation,
int processInformationLength,
out int returnLength);