public static RM_APP_TYPE GetProcessType(Process proc)
{
uint handle;
string key = Guid.NewGuid().ToString();
uint res = RmStartSession(out handle, (uint)0, key);
if (res != 0)
{
throw new ApplicationException("Could not begin restart session. ");
}
try
{
uint pnProcInfoNeeded = 0, pnProcInfo = 0,
lpdwRebootReasons = RmRebootReasonNone;
RM_UNIQUE_PROCESS uniqueprocess = new RM_UNIQUE_PROCESS();
uniqueprocess.dwProcessId = proc.Id;
System.Runtime.InteropServices.ComTypes.FILETIME ft = FileTimeFromDateTime(proc.StartTime);
uniqueprocess.ProcessStartTime = ft;
res = RmRegisterResources(handle, 0, null, 1, ref uniqueprocess, 0, null);
if (res != 0)
{
throw new ApplicationException("Could not register resource.");
}
res = RmGetList(handle, out pnProcInfoNeeded, ref pnProcInfo, null,
ref lpdwRebootReasons);
if (res == ERROR_MORE_DATA)
{
RM_PROCESS_INFO[] processInfo = new RM_PROCESS_INFO[pnProcInfoNeeded];
pnProcInfo = pnProcInfoNeeded;
res = RmGetList(handle, out pnProcInfoNeeded, ref pnProcInfo,
processInfo, ref lpdwRebootReasons);
if (res == 0)
{
if (pnProcInfo == 0)
{
throw new ApplicationException("Process not found");
}
return(processInfo[0].ApplicationType);
}
else
{
throw new ApplicationException("Could not list processes");
}
}
else if (res != 0)
{
throw new ApplicationException("Failed to get size of result.");
}
}
finally
{
RmEndSession(handle);
}
throw new ApplicationException("Process not found");
}
public static extern UInt32 RmRegisterResources(UInt32 dwSessionHandle,
UInt32 nFiles, string[] rgsFilenames, UInt32 nApplications,
ref RM_UNIQUE_PROCESS rgApplications, UInt32 nServices, string[] rgsServiceNames);