C # Treegridview implementation process List

Effect

0x01 gets the list of processes and uses WIN32API to circumvent "Access denied" exceptions

 PublicList<appprocess>getappprocesses () {INTPTR handle= Nativemethods.createtoolhelp32snapshot (0x2,0); List<ProcessEntry32> list =NewList<processentry32>(); List<AppProcess> applist =NewList<appprocess>(); if((int) Handle >0) {ProcessEntry32 pe32=NewProcessEntry32 (); Pe32.dwsize= (UINT) marshal.sizeof (PE32); intBmore = Nativemethods.process32first (handle,refpe32);  while(Bmore = =1) {ProcessEntry32 PE=pe32.                    Marshalex (); //rule out [System Process]                    if(Pe.th32processid >0) {IntPtr ProcessHandle= Nativemethods.openprocess (nativemethods.process_all_access,true, Pe.th32processid); //Exclude inaccessible                        if(ProcessHandle! =IntPtr.Zero) {Pe.processhandle=ProcessHandle; List.                        ADD (PE); }                        Else                        {                            varErr =Marshal.GetLastWin32Error (); Applist. ADD (Newappprocess {Process id = pe.th32processid, file name = Pe.szexefile, parent process id =Pe.th32parentprocessid}); }} bmore= Nativemethods.process32next (Handle,refpe32);            }} nativemethods.closehandle (handle); foreach(ProcessEntry32 Pinchlist) {                varProcessHandle =P.processhandle; varWinexepath =NewStringBuilder ( +); varLen = Nativemethods.getmodulefilenameex (ProcessHandle, IntPtr.Zero, Winexepath, (UINT) winexepath.capacity); if(Len >0)                {                    varPath =winexepath.tostring (); varBaseName =P.szexefile; varDescription =""; varManifuture =""; Try                    {                        varErr =0; varBasenamesb =NewStringBuilder ( -); varNamelen = Nativemethods.getmodulebasename (NewSafeprocesshandle (ProcessHandle,false),0, Basenamesb, basenamesb.capacity); if(Namelen >0) {BaseName=basenamesb.tostring (); }                        Else{Err=Marshal.GetLastWin32Error (); } process_basic_information PBI=Newprocess_basic_information (); intsizeinforeturned; intQueryStatus = Nativemethods.ntqueryinformationprocess (ProcessHandle, (Processinfoclass)0,refPBI, Marshal.SizeOf (PBI), outsizeinforeturned);                        Nativemethods.closehandle (ProcessHandle); varPEB =PBI.                        pebbaseaddress; FileVersionInfo Info=fileversioninfo.getversioninfo (path); Description=info.                        FileDescription; Manifuture=Info.companyname; }                    Catch(FileNotFoundException) {}Catch(Exception ex) {} applist. ADD (Newappprocess {manufacturer = manifuture, Process id = p.th32processid, file name = BaseName, self-description = description, File path = path, parent process id = P.th32par Entprocessid >0? P.th32parentprocessid: (UINT?)NULL }); }                Else                {                    varErr =Marshal.GetLastWin32Error (); Console.WriteLine ("Process"+ P +"failed to get module path. Error code"+err); }            }            returnapplist; }

0x02 recursive list to tree structure

Private void Setsubitems (ienumerable<appprocess> rootlist, ienumerable<appprocess> plist)        {              foreach (var in rootlist)            {                foreach (varin  plist)                {                    if (item. parent Process id = = rootitem. Process id)                    {                        ROOTITEM.SUBITEMS.ADD (item);                    }                }                Setsubitems (Rootitem.subitems, plist);            }        }

0x03 recursive tree structure bound to a control node

Private void Setnodes (ienumerable<appprocess> rootlist, treegridnodecollection nodes)        {            foreach (var in rootlist)            {                var node = nodes. ADD (item. filename, item. Process ID, item. file path, item. Manufacturer, item. description);                 0 ;                Setnodes (item. SubItems, node. Nodes);            }        }

Group sharing to get the source code. NET Software Team 283590657

C # Treegridview implementation process List