* Sync with recent trunk (r52637).
[reactos.git] / base / applications / taskmgr / procpage.c
index 1ec6eee..5276906 100644 (file)
@@ -4,6 +4,7 @@
  *  procpage.c
  *
  *  Copyright (C) 1999 - 2001  Brian Palmer  <brianp@reactos.org>
+ *  Copyright (C) 2009         Maxime Vernier <maxime.vernier@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
 #include <precomp.h>
 
+#define CMP(x1, x2)\
+    (x1 < x2 ? -1 : (x1 > x2 ? 1 : 0))
+
+typedef struct
+{
+    ULONG ProcessId;
+} PROCESS_PAGE_LIST_ITEM, *LPPROCESS_PAGE_LIST_ITEM;
+
 HWND hProcessPage;                        /* Process List Property Page */
 
 HWND hProcessPageListCtrl;                /* Process ListCtrl Window */
@@ -31,13 +40,65 @@ HWND hProcessPageShowAllProcessesButton;/* Process Show All Processes checkbox *
 
 static int  nProcessPageWidth;
 static int  nProcessPageHeight;
+#ifdef RUN_PROC_PAGE
+static HANDLE   hProcessThread = NULL;
+static DWORD    dwProcessThread;
+#endif
 
-static HANDLE  hProcessPageEvent = NULL;    /* When this event becomes signaled then we refresh the process list */
-
+int CALLBACK    ProcessPageCompareFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort);
+void AddProcess(ULONG Index);
+void UpdateProcesses();
+void gethmsfromlargeint(LARGE_INTEGER largeint, DWORD *dwHours, DWORD *dwMinutes, DWORD *dwSeconds);
 void ProcessPageOnNotify(WPARAM wParam, LPARAM lParam);
 void CommaSeparateNumberString(LPWSTR strNumber, int nMaxCount);
 void ProcessPageShowContextMenu(DWORD dwProcessId);
+BOOL PerfDataGetText(ULONG Index, ULONG ColumnIndex, LPTSTR lpText, int nMaxCount);
 DWORD WINAPI ProcessPageRefreshThread(void *lpParameter);
+int ProcessRunning(ULONG ProcessId);
+
+int ProcGetIndexByProcessId(DWORD dwProcessId)
+{
+    int     i;
+    LVITEM  item;
+    LPPROCESS_PAGE_LIST_ITEM pData;
+
+    for (i=0; i<ListView_GetItemCount(hProcessPageListCtrl); i++)
+    {
+        memset(&item, 0, sizeof(LV_ITEM));
+        item.mask = LVIF_PARAM;
+        item.iItem = i;
+        (void)ListView_GetItem(hProcessPageListCtrl, &item);
+        pData = (LPPROCESS_PAGE_LIST_ITEM)item.lParam;
+        if (pData->ProcessId == dwProcessId)
+        {
+            return i;
+        }
+    }
+    return 0;
+}
+
+DWORD GetSelectedProcessId(void)
+{
+    int     Index;
+    LVITEM  lvitem;
+
+    if(ListView_GetSelectedCount(hProcessPageListCtrl) == 1)
+    {
+        Index = ListView_GetSelectionMark(hProcessPageListCtrl);
+
+        memset(&lvitem, 0, sizeof(LVITEM));
+
+        lvitem.mask = LVIF_PARAM;
+        lvitem.iItem = Index;
+
+        (void)ListView_GetItem(hProcessPageListCtrl, &lvitem);
+
+        if (lvitem.lParam)
+            return ((LPPROCESS_PAGE_LIST_ITEM)lvitem.lParam)->ProcessId;
+    }
+
+    return 0;
+}
 
 INT_PTR CALLBACK
 ProcessPageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
@@ -46,7 +107,6 @@ ProcessPageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
     int     nXDifference;
     int     nYDifference;
     int     cx, cy;
-    HANDLE  hRefreshThread = NULL;
 
     switch (message) {
     case WM_INITDIALOG:
@@ -69,9 +129,8 @@ ProcessPageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
         hProcessPageShowAllProcessesButton = GetDlgItem(hDlg, IDC_SHOWALLPROCESSES);
 
         /*
-         * Set the font, title, and extended window styles for the list control
+         * Set the title, and extended window styles for the list control
          */
-        SendMessageW(hProcessPageListCtrl, WM_SETFONT, SendMessageW(hProcessPage, WM_GETFONT, 0, 0), TRUE);
         SetWindowTextW(hProcessPageListCtrl, L"Processes");
         (void)ListView_SetExtendedListViewStyle(hProcessPageListCtrl, ListView_GetExtendedListViewStyle(hProcessPageListCtrl) | LVS_EX_FULLROWSELECT | LVS_EX_HEADERDRAGDROP);
 
@@ -82,19 +141,19 @@ ProcessPageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
          */
         OldProcessListWndProc = (WNDPROC)(LONG_PTR) SetWindowLongPtrW(hProcessPageListCtrl, GWL_WNDPROC, (LONG_PTR)ProcessListWndProc);
 
+#ifdef RUN_PROC_PAGE
         /* Start our refresh thread */
-        hRefreshThread = CreateThread(NULL, 0, ProcessPageRefreshThread, NULL, 0, NULL);
-
+        hProcessThread = CreateThread(NULL, 0, ProcessPageRefreshThread, NULL, 0, &dwProcessThread);
+#endif
         return TRUE;
 
     case WM_DESTROY:
         /* Close the event handle, this will make the */
         /* refresh thread exit when the wait fails */
-        CloseHandle(hProcessPageEvent);
-        CloseHandle(hRefreshThread);
-
+#ifdef RUN_PROC_PAGE
+        EndLocalThread(&hProcessThread, dwProcessThread);
+#endif
         SaveColumnSettings();
-
         break;
 
     case WM_COMMAND:
@@ -137,13 +196,16 @@ ProcessPageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
         cy = rc.top + nYDifference;
         SetWindowPos(hProcessPageShowAllProcessesButton, NULL, cx, cy, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
         InvalidateRect(hProcessPageShowAllProcessesButton, NULL, TRUE);
-
         break;
 
     case WM_NOTIFY:
-
         ProcessPageOnNotify(wParam, lParam);
         break;
+
+    case WM_KEYDOWN:
+        if (wParam == VK_DELETE)
+            ProcessPage_OnEndProcess();
+        break;
     }
 
     return 0;
@@ -156,11 +218,9 @@ void ProcessPageOnNotify(WPARAM wParam, LPARAM lParam)
     LPNMLISTVIEW   pnmv;
     NMLVDISPINFO*  pnmdi;
     LPNMHEADER     pnmhdr;
-    LVITEM         lvitem;
     ULONG          Index;
     ULONG          ColumnIndex;
-    IO_COUNTERS    iocounters;
-    LARGE_INTEGER  time;
+    LPPROCESS_PAGE_LIST_ITEM  pData;
 
     idctrl = (int) wParam;
     pnmh = (LPNMHDR) lParam;
@@ -183,172 +243,23 @@ void ProcessPageOnNotify(WPARAM wParam, LPARAM lParam)
             if (!(pnmdi->item.mask & LVIF_TEXT))
                 break;
 
+            pData = (LPPROCESS_PAGE_LIST_ITEM)pnmdi->item.lParam;
+            Index = PerfDataGetProcessIndex(pData->ProcessId);
             ColumnIndex = pnmdi->item.iSubItem;
-            Index = pnmdi->item.iItem;
-
-            if (ColumnDataHints[ColumnIndex] == COLUMN_IMAGENAME)
-                PerfDataGetImageName(Index, pnmdi->item.pszText, pnmdi->item.cchTextMax);
-            if (ColumnDataHints[ColumnIndex] == COLUMN_PID)
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetProcessId(Index));
-            if (ColumnDataHints[ColumnIndex] == COLUMN_USERNAME)
-                PerfDataGetUserName(Index, pnmdi->item.pszText, pnmdi->item.cchTextMax);
-            if (ColumnDataHints[ColumnIndex] == COLUMN_SESSIONID)
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetSessionId(Index));
-            if (ColumnDataHints[ColumnIndex] == COLUMN_CPUUSAGE)
-                wsprintfW(pnmdi->item.pszText, L"%02d", PerfDataGetCPUUsage(Index));
-            if (ColumnDataHints[ColumnIndex] == COLUMN_CPUTIME)
-            {
-                DWORD dwHours;
-                DWORD dwMinutes;
-                DWORD dwSeconds;
-
-                time = PerfDataGetCPUTime(Index);
-#ifdef _MSC_VER
-                dwHours = (DWORD)(time.QuadPart / 36000000000L);
-                dwMinutes = (DWORD)((time.QuadPart % 36000000000L) / 600000000L);
-                dwSeconds = (DWORD)(((time.QuadPart % 36000000000L) % 600000000L) / 10000000L);
-#else
-                dwHours = (DWORD)(time.QuadPart / 36000000000LL);
-                dwMinutes = (DWORD)((time.QuadPart % 36000000000LL) / 600000000LL);
-                dwSeconds = (DWORD)(((time.QuadPart % 36000000000LL) % 600000000LL) / 10000000LL);
-#endif
-                wsprintfW(pnmdi->item.pszText, L"%d:%02d:%02d", dwHours, dwMinutes, dwSeconds);
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGE)
-            {
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetWorkingSetSizeBytes(Index) / 1024);
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-                wcscat(pnmdi->item.pszText, L" K");
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_PEAKMEMORYUSAGE)
-            {
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetPeakWorkingSetSizeBytes(Index) / 1024);
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-                wcscat(pnmdi->item.pszText, L" K");
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGEDELTA)
-            {
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetWorkingSetSizeDelta(Index) / 1024);
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-                wcscat(pnmdi->item.pszText, L" K");
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTS)
-            {
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetPageFaultCount(Index));
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTSDELTA)
-            {
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetPageFaultCountDelta(Index));
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_VIRTUALMEMORYSIZE)
-            {
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetVirtualMemorySizeBytes(Index) / 1024);
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-                wcscat(pnmdi->item.pszText, L" K");
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEDPOOL)
-            {
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetPagedPoolUsagePages(Index) / 1024);
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-                wcscat(pnmdi->item.pszText, L" K");
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_NONPAGEDPOOL)
-            {
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetNonPagedPoolUsagePages(Index) / 1024);
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-                wcscat(pnmdi->item.pszText, L" K");
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_BASEPRIORITY)
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetBasePriority(Index));
-            if (ColumnDataHints[ColumnIndex] == COLUMN_HANDLECOUNT)
-            {
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetHandleCount(Index));
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_THREADCOUNT)
-            {
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetThreadCount(Index));
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_USEROBJECTS)
-            {
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetUSERObjectCount(Index));
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_GDIOBJECTS)
-            {
-                wsprintfW(pnmdi->item.pszText, L"%d", PerfDataGetGDIObjectCount(Index));
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADS)
-            {
-                PerfDataGetIOCounters(Index, &iocounters);
-                /* wsprintfW(pnmdi->item.pszText, L"%d", iocounters.ReadOperationCount); */
-                _ui64tow(iocounters.ReadOperationCount, pnmdi->item.pszText, 10);
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITES)
-            {
-                PerfDataGetIOCounters(Index, &iocounters);
-                /* wsprintfW(pnmdi->item.pszText, L"%d", iocounters.WriteOperationCount); */
-                _ui64tow(iocounters.WriteOperationCount, pnmdi->item.pszText, 10);
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHER)
-            {
-                PerfDataGetIOCounters(Index, &iocounters);
-                /* wsprintfW(pnmdi->item.pszText, L"%d", iocounters.OtherOperationCount); */
-                _ui64tow(iocounters.OtherOperationCount, pnmdi->item.pszText, 10);
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADBYTES)
-            {
-                PerfDataGetIOCounters(Index, &iocounters);
-                /* wsprintfW(pnmdi->item.pszText, L"%d", iocounters.ReadTransferCount); */
-                _ui64tow(iocounters.ReadTransferCount, pnmdi->item.pszText, 10);
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITEBYTES)
-            {
-                PerfDataGetIOCounters(Index, &iocounters);
-                /* wsprintfW(pnmdi->item.pszText, L"%d", iocounters.WriteTransferCount); */
-                _ui64tow(iocounters.WriteTransferCount, pnmdi->item.pszText, 10);
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-            }
-            if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHERBYTES)
-            {
-                PerfDataGetIOCounters(Index, &iocounters);
-                /* wsprintfW(pnmdi->item.pszText, L"%d", iocounters.OtherTransferCount); */
-                _ui64tow(iocounters.OtherTransferCount, pnmdi->item.pszText, 10);
-                CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
-            }
+
+            PerfDataGetText(Index, ColumnIndex, pnmdi->item.pszText, pnmdi->item.cchTextMax);
 
             break;
 
         case NM_RCLICK:
 
-            for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
-            {
-                memset(&lvitem, 0, sizeof(LVITEM));
-
-                lvitem.mask = LVIF_STATE;
-                lvitem.stateMask = LVIS_SELECTED;
-                lvitem.iItem = Index;
-
-                (void)ListView_GetItem(hProcessPageListCtrl, &lvitem);
-
-                if (lvitem.state & LVIS_SELECTED)
-                    break;
-            }
+            ProcessPageShowContextMenu(GetSelectedProcessId());
+            break;
 
-            if ((ListView_GetSelectedCount(hProcessPageListCtrl) == 1) &&
-                (PerfDataGetProcessId(Index) != 0))
-            {
-                ProcessPageShowContextMenu(PerfDataGetProcessId(Index));
-            }
+        case LVN_KEYDOWN:
 
+            if (((LPNMLVKEYDOWN)lParam)->wVKey == VK_DELETE)
+                ProcessPage_OnEndProcess();
             break;
 
         }
@@ -359,12 +270,9 @@ void ProcessPageOnNotify(WPARAM wParam, LPARAM lParam)
         {
         case HDN_ITEMCLICK:
 
-            /*
-             * FIXME: Fix the column sorting
-             *
-             *ListView_SortItems(hApplicationPageListCtrl, ApplicationPageCompareFunc, NULL);
-             *bSortAscending = !bSortAscending;
-             */
+            TaskManagerSettings.SortColumn = ColumnDataHints[pnmhdr->iItem];
+            TaskManagerSettings.SortAscending = !TaskManagerSettings.SortAscending;
+            (void)ListView_SortItems(hProcessPageListCtrl, ProcessPageCompareFunc, NULL);
 
             break;
 
@@ -382,7 +290,6 @@ void ProcessPageOnNotify(WPARAM wParam, LPARAM lParam)
 
         }
     }
-
 }
 
 void CommaSeparateNumberString(LPWSTR strNumber, int nMaxCount)
@@ -476,9 +383,11 @@ void ProcessPageShowContextMenu(DWORD dwProcessId)
 
 void RefreshProcessPage(void)
 {
+#ifdef RUN_PROC_PAGE
     /* Signal the event so that our refresh thread */
     /* will wake up and refresh the process page */
-    SetEvent(hProcessPageEvent);
+    PostThreadMessage(dwProcessThread, WM_TIMER, 0, 0);
+#endif
 }
 
 DWORD WINAPI ProcessPageRefreshThread(void *lpParameter)
@@ -486,36 +395,20 @@ DWORD WINAPI ProcessPageRefreshThread(void *lpParameter)
     ULONG    OldProcessorUsage = 0;
     ULONG    OldProcessCount = 0;
     WCHAR    szCpuUsage[256], szProcesses[256];
-
-    /* Create the event */
-    hProcessPageEvent = CreateEventW(NULL, TRUE, TRUE, NULL);
-
-    /* If we couldn't create the event then exit the thread */
-    if (!hProcessPageEvent)
-        return 0;
+    MSG      msg;
 
     LoadStringW(hInst, IDS_STATUS_CPUUSAGE, szCpuUsage, 256);
     LoadStringW(hInst, IDS_STATUS_PROCESSES, szProcesses, 256);
 
     while (1) {
-        DWORD    dwWaitVal;
-
-        /* Wait on the event */
-        dwWaitVal = WaitForSingleObject(hProcessPageEvent, INFINITE);
-
-        /* If the wait failed then the event object must have been */
-        /* closed and the task manager is exiting so exit this thread */
-        if (dwWaitVal == WAIT_FAILED)
+        /*  Wait for an the event or application close */
+        if (GetMessage(&msg, NULL, 0, 0) <= 0)
             return 0;
 
-        if (dwWaitVal == WAIT_OBJECT_0) {
+        if (msg.message == WM_TIMER) {
             WCHAR    text[260];
 
-            /* Reset our event */
-            ResetEvent(hProcessPageEvent);
-
-            if ((ULONG)SendMessageW(hProcessPageListCtrl, LVM_GETITEMCOUNT, 0, 0) != PerfDataGetProcessCount())
-                SendMessageW(hProcessPageListCtrl, LVM_SETITEMCOUNT, PerfDataGetProcessCount(), /*LVSICF_NOINVALIDATEALL|*/LVSICF_NOSCROLL);
+            UpdateProcesses();
 
             if (IsWindowVisible(hProcessPage))
                 InvalidateRect(hProcessPageListCtrl, NULL, FALSE);
@@ -534,3 +427,477 @@ DWORD WINAPI ProcessPageRefreshThread(void *lpParameter)
     }
     return 0;
 }
+
+void UpdateProcesses()
+{
+    int i;
+    ULONG l;
+    LV_ITEM item;
+    LPPROCESS_PAGE_LIST_ITEM pData;
+
+    SendMessage(hProcessPageListCtrl, WM_SETREDRAW, FALSE, 0);
+
+    /* Remove old processes */
+    for (i = 0; i < ListView_GetItemCount(hProcessPageListCtrl); i++)
+    {
+        memset(&item, 0, sizeof (LV_ITEM));
+        item.mask = LVIF_PARAM;
+        item.iItem = i;
+        (void)ListView_GetItem(hProcessPageListCtrl, &item);
+        pData = (LPPROCESS_PAGE_LIST_ITEM)item.lParam;
+        if (!ProcessRunning(pData->ProcessId))
+        {
+            (void)ListView_DeleteItem(hProcessPageListCtrl, i);
+            HeapFree(GetProcessHeap(), 0, pData);
+        }
+    }
+
+    /* Check for difference in listview process and performance process counts */
+    if (ListView_GetItemCount(hProcessPageListCtrl) != PerfDataGetProcessCount())
+    {
+        /* Add new processes by checking against the current items */
+        for (l = 0; l < PerfDataGetProcessCount(); l++)
+        {
+            AddProcess(l);
+        }
+    }
+
+    if (TaskManagerSettings.SortColumn != -1)
+    {
+        (void)ListView_SortItems(hProcessPageListCtrl, ProcessPageCompareFunc, NULL);
+    }
+
+    SendMessage(hProcessPageListCtrl, WM_SETREDRAW, TRUE, 0);
+}
+
+BOOL ProcessRunning(ULONG ProcessId) 
+{
+       HANDLE hProcess;
+       DWORD exitCode;
+
+       if (ProcessId == 0) {
+               return TRUE;
+       }
+       
+       hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, ProcessId);
+       if (hProcess == NULL) {
+               return FALSE;
+       }
+
+       if (GetExitCodeProcess(hProcess, &exitCode)) {
+               CloseHandle(hProcess);
+               return (exitCode == STILL_ACTIVE);
+       }
+
+       CloseHandle(hProcess);
+       return FALSE;
+}
+
+void AddProcess(ULONG Index)
+{
+    LPPROCESS_PAGE_LIST_ITEM pData;
+    int         i;
+    LV_ITEM     item;
+    BOOL    bAlreadyInList = FALSE;
+    ULONG pid;
+
+    pid = PerfDataGetProcessId(Index);
+
+    /* Check to see if it's already in our list */
+    for (i=0; i<ListView_GetItemCount(hProcessPageListCtrl); i++)
+    {
+        memset(&item, 0, sizeof(LV_ITEM));
+        item.mask = LVIF_PARAM;
+        item.iItem = i;
+        (void)ListView_GetItem(hProcessPageListCtrl, &item);
+        pData = (LPPROCESS_PAGE_LIST_ITEM)item.lParam;
+        if (pData->ProcessId == pid)
+        {
+            bAlreadyInList = TRUE;
+            break;
+        }
+    }
+    if (!bAlreadyInList)  /* Add */
+    {
+        pData = (LPPROCESS_PAGE_LIST_ITEM)HeapAlloc(GetProcessHeap(), 0, sizeof(PROCESS_PAGE_LIST_ITEM));
+        pData->ProcessId = pid;
+
+        /* Add the item to the list */
+        memset(&item, 0, sizeof(LV_ITEM));
+        item.mask = LVIF_TEXT|LVIF_PARAM;
+        item.pszText = LPSTR_TEXTCALLBACK;
+        item.iItem = ListView_GetItemCount(hProcessPageListCtrl);
+        item.lParam = (LPARAM)pData;
+        (void)ListView_InsertItem(hProcessPageListCtrl, &item);
+    }
+}
+
+BOOL PerfDataGetText(ULONG Index, ULONG ColumnIndex, LPTSTR lpText, int nMaxCount)
+{
+    IO_COUNTERS    iocounters;
+    LARGE_INTEGER  time;
+
+    if (ColumnDataHints[ColumnIndex] == COLUMN_IMAGENAME)
+        PerfDataGetImageName(Index, lpText, nMaxCount);
+    if (ColumnDataHints[ColumnIndex] == COLUMN_PID)
+        wsprintfW(lpText, L"%d", PerfDataGetProcessId(Index));
+    if (ColumnDataHints[ColumnIndex] == COLUMN_USERNAME)
+        PerfDataGetUserName(Index, lpText, nMaxCount);
+    if (ColumnDataHints[ColumnIndex] == COLUMN_SESSIONID)
+        wsprintfW(lpText, L"%d", PerfDataGetSessionId(Index));
+    if (ColumnDataHints[ColumnIndex] == COLUMN_CPUUSAGE)
+        wsprintfW(lpText, L"%02d", PerfDataGetCPUUsage(Index));
+    if (ColumnDataHints[ColumnIndex] == COLUMN_CPUTIME)
+    {
+        DWORD dwHours;
+        DWORD dwMinutes;
+        DWORD dwSeconds;
+
+        time = PerfDataGetCPUTime(Index);
+        gethmsfromlargeint(time, &dwHours, &dwMinutes, &dwSeconds);
+        wsprintfW(lpText, L"%d:%02d:%02d", dwHours, dwMinutes, dwSeconds);
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGE)
+    {
+        wsprintfW(lpText, L"%d", PerfDataGetWorkingSetSizeBytes(Index) / 1024);
+        CommaSeparateNumberString(lpText, nMaxCount);
+        wcscat(lpText, L" K");
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_PEAKMEMORYUSAGE)
+    {
+        wsprintfW(lpText, L"%d", PerfDataGetPeakWorkingSetSizeBytes(Index) / 1024);
+        CommaSeparateNumberString(lpText, nMaxCount);
+        wcscat(lpText, L" K");
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGEDELTA)
+    {
+        wsprintfW(lpText, L"%d", PerfDataGetWorkingSetSizeDelta(Index) / 1024);
+        CommaSeparateNumberString(lpText, nMaxCount);
+        wcscat(lpText, L" K");
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTS)
+    {
+        wsprintfW(lpText, L"%d", PerfDataGetPageFaultCount(Index));
+        CommaSeparateNumberString(lpText, nMaxCount);
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTSDELTA)
+    {
+        wsprintfW(lpText, L"%d", PerfDataGetPageFaultCountDelta(Index));
+        CommaSeparateNumberString(lpText, nMaxCount);
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_VIRTUALMEMORYSIZE)
+    {
+        wsprintfW(lpText, L"%d", PerfDataGetVirtualMemorySizeBytes(Index) / 1024);
+        CommaSeparateNumberString(lpText, nMaxCount);
+        wcscat(lpText, L" K");
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEDPOOL)
+    {
+        wsprintfW(lpText, L"%d", PerfDataGetPagedPoolUsagePages(Index) / 1024);
+        CommaSeparateNumberString(lpText, nMaxCount);
+        wcscat(lpText, L" K");
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_NONPAGEDPOOL)
+    {
+        wsprintfW(lpText, L"%d", PerfDataGetNonPagedPoolUsagePages(Index) / 1024);
+        CommaSeparateNumberString(lpText, nMaxCount);
+        wcscat(lpText, L" K");
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_BASEPRIORITY)
+        wsprintfW(lpText, L"%d", PerfDataGetBasePriority(Index));
+    if (ColumnDataHints[ColumnIndex] == COLUMN_HANDLECOUNT)
+    {
+        wsprintfW(lpText, L"%d", PerfDataGetHandleCount(Index));
+        CommaSeparateNumberString(lpText, nMaxCount);
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_THREADCOUNT)
+    {
+        wsprintfW(lpText, L"%d", PerfDataGetThreadCount(Index));
+        CommaSeparateNumberString(lpText, nMaxCount);
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_USEROBJECTS)
+    {
+        wsprintfW(lpText, L"%d", PerfDataGetUSERObjectCount(Index));
+        CommaSeparateNumberString(lpText, nMaxCount);
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_GDIOBJECTS)
+    {
+        wsprintfW(lpText, L"%d", PerfDataGetGDIObjectCount(Index));
+        CommaSeparateNumberString(lpText, nMaxCount);
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADS)
+    {
+        PerfDataGetIOCounters(Index, &iocounters);
+        /* wsprintfW(pnmdi->item.pszText, L"%d", iocounters.ReadOperationCount); */
+        _ui64tow(iocounters.ReadOperationCount, lpText, 10);
+        CommaSeparateNumberString(lpText, nMaxCount);
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITES)
+    {
+        PerfDataGetIOCounters(Index, &iocounters);
+        /* wsprintfW(pnmdi->item.pszText, L"%d", iocounters.WriteOperationCount); */
+        _ui64tow(iocounters.WriteOperationCount, lpText, 10);
+        CommaSeparateNumberString(lpText, nMaxCount);
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHER)
+    {
+        PerfDataGetIOCounters(Index, &iocounters);
+        /* wsprintfW(pnmdi->item.pszText, L"%d", iocounters.OtherOperationCount); */
+        _ui64tow(iocounters.OtherOperationCount, lpText, 10);
+        CommaSeparateNumberString(lpText, nMaxCount);
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADBYTES)
+    {
+        PerfDataGetIOCounters(Index, &iocounters);
+        /* wsprintfW(pnmdi->item.pszText, L"%d", iocounters.ReadTransferCount); */
+        _ui64tow(iocounters.ReadTransferCount, lpText, 10);
+        CommaSeparateNumberString(lpText, nMaxCount);
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITEBYTES)
+    {
+        PerfDataGetIOCounters(Index, &iocounters);
+        /* wsprintfW(pnmdi->item.pszText, L"%d", iocounters.WriteTransferCount); */
+        _ui64tow(iocounters.WriteTransferCount, lpText, 10);
+        CommaSeparateNumberString(lpText, nMaxCount);
+    }
+    if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHERBYTES)
+    {
+        PerfDataGetIOCounters(Index, &iocounters);
+        /* wsprintfW(pnmdi->item.pszText, L"%d", iocounters.OtherTransferCount); */
+        _ui64tow(iocounters.OtherTransferCount, lpText, 10);
+        CommaSeparateNumberString(lpText, nMaxCount);
+    }
+
+    return FALSE;
+}
+
+
+void gethmsfromlargeint(LARGE_INTEGER largeint, DWORD *dwHours, DWORD *dwMinutes, DWORD *dwSeconds)
+{
+#ifdef _MSC_VER
+    *dwHours = (DWORD)(largeint.QuadPart / 36000000000L);
+    *dwMinutes = (DWORD)((largeint.QuadPart % 36000000000L) / 600000000L);
+    *dwSeconds = (DWORD)(((largeint.QuadPart % 36000000000L) % 600000000L) / 10000000L);
+#else
+    *dwHours = (DWORD)(largeint.QuadPart / 36000000000LL);
+    *dwMinutes = (DWORD)((largeint.QuadPart % 36000000000LL) / 600000000LL);
+    *dwSeconds = (DWORD)(((largeint.QuadPart % 36000000000LL) % 600000000LL) / 10000000LL);
+#endif
+}
+
+int largeintcmp(LARGE_INTEGER l1, LARGE_INTEGER l2)
+{
+    int ret = 0;
+    DWORD dwHours1;
+    DWORD dwMinutes1;
+    DWORD dwSeconds1;
+    DWORD dwHours2;
+    DWORD dwMinutes2;
+    DWORD dwSeconds2;
+
+    gethmsfromlargeint(l1, &dwHours1, &dwMinutes1, &dwSeconds1);
+    gethmsfromlargeint(l2, &dwHours2, &dwMinutes2, &dwSeconds2);
+    ret = CMP(dwHours1, dwHours2);
+    if (ret == 0)
+    {
+        ret = CMP(dwMinutes1, dwMinutes2);
+        if (ret == 0)
+        {
+            ret = CMP(dwSeconds1, dwSeconds2);
+        }
+    }
+    return ret;
+}
+
+int CALLBACK ProcessPageCompareFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
+{
+    int ret = 0;
+    LPPROCESS_PAGE_LIST_ITEM Param1;
+    LPPROCESS_PAGE_LIST_ITEM Param2;
+    ULONG IndexParam1;
+    ULONG IndexParam2;
+    WCHAR text1[260];
+    WCHAR text2[260];
+    ULONG l1;
+    ULONG l2;
+    LARGE_INTEGER  time1;
+    LARGE_INTEGER  time2;
+    IO_COUNTERS    iocounters1;
+    IO_COUNTERS    iocounters2;
+    ULONGLONG      ull1;
+    ULONGLONG      ull2;
+
+    if (TaskManagerSettings.SortAscending) {
+        Param1 = (LPPROCESS_PAGE_LIST_ITEM)lParam1;
+        Param2 = (LPPROCESS_PAGE_LIST_ITEM)lParam2;
+    } else {
+        Param1 = (LPPROCESS_PAGE_LIST_ITEM)lParam2;
+        Param2 = (LPPROCESS_PAGE_LIST_ITEM)lParam1;
+    }
+    IndexParam1 = PerfDataGetProcessIndex(Param1->ProcessId);
+    IndexParam2 = PerfDataGetProcessIndex(Param2->ProcessId);
+
+    if (TaskManagerSettings.SortColumn == COLUMN_IMAGENAME)
+    {
+        PerfDataGetImageName(IndexParam1, text1, sizeof (text1) / sizeof (*text1));
+        PerfDataGetImageName(IndexParam2, text2, sizeof (text2) / sizeof (*text2));
+        ret = _wcsicmp(text1, text2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_PID)
+    {
+        l1 = Param1->ProcessId;
+        l2 = Param2->ProcessId;
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_USERNAME)
+    {
+        PerfDataGetUserName(IndexParam1, text1, sizeof (text1) / sizeof (*text1));
+        PerfDataGetUserName(IndexParam2, text2, sizeof (text2) / sizeof (*text2));
+        ret = _wcsicmp(text1, text2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_SESSIONID)
+    {
+        l1 = PerfDataGetSessionId(IndexParam1);
+        l2 = PerfDataGetSessionId(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_CPUUSAGE)
+    {
+        l1 = PerfDataGetCPUUsage(IndexParam1);
+        l2 = PerfDataGetCPUUsage(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_CPUTIME)
+    {
+        time1 = PerfDataGetCPUTime(IndexParam1);
+        time2 = PerfDataGetCPUTime(IndexParam2);
+        ret = largeintcmp(time1, time2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_MEMORYUSAGE)
+    {
+        l1 = PerfDataGetWorkingSetSizeBytes(IndexParam1);
+        l2 = PerfDataGetWorkingSetSizeBytes(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_PEAKMEMORYUSAGE)
+    {
+        l1 = PerfDataGetPeakWorkingSetSizeBytes(IndexParam1);
+        l2 = PerfDataGetPeakWorkingSetSizeBytes(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_MEMORYUSAGEDELTA)
+    {
+        l1 = PerfDataGetWorkingSetSizeDelta(IndexParam1);
+        l2 = PerfDataGetWorkingSetSizeDelta(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_PAGEFAULTS)
+    {
+        l1 = PerfDataGetPageFaultCount(IndexParam1);
+        l2 = PerfDataGetPageFaultCount(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_PAGEFAULTSDELTA)
+    {
+        l1 = PerfDataGetPageFaultCountDelta(IndexParam1);
+        l2 = PerfDataGetPageFaultCountDelta(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_VIRTUALMEMORYSIZE)
+    {
+        l1 = PerfDataGetVirtualMemorySizeBytes(IndexParam1);
+        l2 = PerfDataGetVirtualMemorySizeBytes(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_PAGEDPOOL)
+    {
+        l1 = PerfDataGetPagedPoolUsagePages(IndexParam1);
+        l2 = PerfDataGetPagedPoolUsagePages(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_NONPAGEDPOOL)
+    {
+        l1 = PerfDataGetNonPagedPoolUsagePages(IndexParam1);
+        l2 = PerfDataGetNonPagedPoolUsagePages(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_BASEPRIORITY)
+    {
+        l1 = PerfDataGetBasePriority(IndexParam1);
+        l2 = PerfDataGetBasePriority(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_HANDLECOUNT)
+    {
+        l1 = PerfDataGetHandleCount(IndexParam1);
+        l2 = PerfDataGetHandleCount(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_THREADCOUNT)
+    {
+        l1 = PerfDataGetThreadCount(IndexParam1);
+        l2 = PerfDataGetThreadCount(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_USEROBJECTS)
+    {
+        l1 = PerfDataGetUSERObjectCount(IndexParam1);
+        l2 = PerfDataGetUSERObjectCount(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_GDIOBJECTS)
+    {
+        l1 = PerfDataGetGDIObjectCount(IndexParam1);
+        l2 = PerfDataGetGDIObjectCount(IndexParam2);
+        ret = CMP(l1, l2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_IOREADS)
+    {
+        PerfDataGetIOCounters(IndexParam1, &iocounters1);
+        PerfDataGetIOCounters(IndexParam2, &iocounters2);
+        ull1 = iocounters1.ReadOperationCount;
+        ull2 = iocounters2.ReadOperationCount;
+        ret = CMP(ull1, ull2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_IOWRITES)
+    {
+        PerfDataGetIOCounters(IndexParam1, &iocounters1);
+        PerfDataGetIOCounters(IndexParam2, &iocounters2);
+        ull1 = iocounters1.WriteOperationCount;
+        ull2 = iocounters2.WriteOperationCount;
+        ret = CMP(ull1, ull2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_IOOTHER)
+    {
+        PerfDataGetIOCounters(IndexParam1, &iocounters1);
+        PerfDataGetIOCounters(IndexParam2, &iocounters2);
+        ull1 = iocounters1.OtherOperationCount;
+        ull2 = iocounters2.OtherOperationCount;
+        ret = CMP(ull1, ull2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_IOREADBYTES)
+    {
+        PerfDataGetIOCounters(IndexParam1, &iocounters1);
+        PerfDataGetIOCounters(IndexParam2, &iocounters2);
+        ull1 = iocounters1.ReadTransferCount;
+        ull2 = iocounters2.ReadTransferCount;
+        ret = CMP(ull1, ull2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_IOWRITEBYTES)
+    {
+        PerfDataGetIOCounters(IndexParam1, &iocounters1);
+        PerfDataGetIOCounters(IndexParam2, &iocounters2);
+        ull1 = iocounters1.WriteTransferCount;
+        ull2 = iocounters2.WriteTransferCount;
+        ret = CMP(ull1, ull2);
+    }
+    else if (TaskManagerSettings.SortColumn == COLUMN_IOOTHERBYTES)
+    {
+        PerfDataGetIOCounters(IndexParam1, &iocounters1);
+        PerfDataGetIOCounters(IndexParam2, &iocounters2);
+        ull1 = iocounters1.OtherTransferCount;
+        ull2 = iocounters2.OtherTransferCount;
+        ret = CMP(ull1, ull2);
+    }
+    return ret;
+}