programs/taskmgr/procpage.c

   1 /*
   2  *  ReactOS Task Manager
   3  *
   4  *  procpage.c
   5  *
   6  *  Copyright (C) 1999 - 2001  Brian Palmer  <brianp@reactos.org>
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #define WIN32_LEAN_AND_MEAN    /* Exclude rarely-used stuff from Windows headers */
  24 #include <windows.h>
  25 #include <commctrl.h>
  26 #include <stdlib.h>
  27 #include <malloc.h>
  28 #include <memory.h>
  29 #include <tchar.h>
  30 #include <stdio.h>
  31 #include <winnt.h>
  32
  33 #include "taskmgr.h"
  34 #include "perfdata.h"
  35 #include "column.h"
  36 #include <ctype.h>
  37
  38 HWND hProcessPage;                        /* Process List Property Page */
  39
  40 HWND hProcessPageListCtrl;                /* Process ListCtrl Window */
  41 HWND hProcessPageHeaderCtrl;            /* Process Header Control */
  42 HWND hProcessPageEndProcessButton;        /* Process End Process button */
  43 HWND hProcessPageShowAllProcessesButton;/* Process Show All Processes checkbox */
  44
  45 static int    nProcessPageWidth;
  46 static int    nProcessPageHeight;
  47
  48 static HANDLE    hProcessPageEvent = NULL;    /* When this event becomes signaled then we refresh the process list */
  49
  50
  51 static void CommaSeparateNumberString(LPTSTR strNumber, int nMaxCount)
  52 {
  53     TCHAR    temp[260];
  54     UINT    i, j, k;
  55
  56     for (i=0,j=0; i<(_tcslen(strNumber) % 3); i++, j++)
  57         temp[j] = strNumber[i];
  58     for (k=0; i<_tcslen(strNumber); i++,j++,k++) {
  59         if ((k % 3 == 0) && (j > 0))
  60             temp[j++] = _T(',');
  61         temp[j] = strNumber[i];
  62     }
  63     temp[j] = _T('\0');
  64     _tcsncpy(strNumber, temp, nMaxCount);
  65 }
  66
  67 static void ProcessPageShowContextMenu(DWORD dwProcessId)
  68 {
  69     HMENU        hMenu;
  70     HMENU        hSubMenu;
  71     HMENU        hPriorityMenu;
  72     POINT        pt;
  73     SYSTEM_INFO    si;
  74     HANDLE        hProcess;
  75     DWORD        dwProcessPriorityClass;
  76     TCHAR        strDebugger[260];
  77     DWORD        dwDebuggerSize;
  78     HKEY        hKey;
  79     UINT        Idx;
  80
  81     memset(&si, 0, sizeof(SYSTEM_INFO));
  82
  83     GetCursorPos(&pt);
  84     GetSystemInfo(&si);
  85
  86     hMenu = LoadMenu(hInst, MAKEINTRESOURCE(IDR_PROCESS_PAGE_CONTEXT));
  87     hSubMenu = GetSubMenu(hMenu, 0);
  88     hPriorityMenu = GetSubMenu(hSubMenu, 4);
  89
  90     hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, dwProcessId);
  91     dwProcessPriorityClass = GetPriorityClass(hProcess);
  92     CloseHandle(hProcess);
  93
  94     if (si.dwNumberOfProcessors < 2)
  95         RemoveMenu(hSubMenu, ID_PROCESS_PAGE_SETAFFINITY, MF_BYCOMMAND);
  96
  97     if (!AreDebugChannelsSupported())
  98         RemoveMenu(hSubMenu, ID_PROCESS_PAGE_DEBUGCHANNELS, MF_BYCOMMAND);
  99
 100     switch (dwProcessPriorityClass)    {
 101     case REALTIME_PRIORITY_CLASS:
 102         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, MF_BYCOMMAND);
 103         break;
 104     case HIGH_PRIORITY_CLASS:
 105         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_HIGH, MF_BYCOMMAND);
 106         break;
 107     case ABOVE_NORMAL_PRIORITY_CLASS:
 108         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_ABOVENORMAL, MF_BYCOMMAND);
 109         break;
 110     case NORMAL_PRIORITY_CLASS:
 111         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_NORMAL, MF_BYCOMMAND);
 112         break;
 113     case BELOW_NORMAL_PRIORITY_CLASS:
 114         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_BELOWNORMAL, MF_BYCOMMAND);
 115         break;
 116     case IDLE_PRIORITY_CLASS:
 117         CheckMenuRadioItem(hPriorityMenu, ID_PROCESS_PAGE_SETPRIORITY_REALTIME, ID_PROCESS_PAGE_SETPRIORITY_LOW, ID_PROCESS_PAGE_SETPRIORITY_LOW, MF_BYCOMMAND);
 118         break;
 119     }
 120
 121     if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("Software\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug"), 0, KEY_READ, &hKey) == ERROR_SUCCESS)
 122     {
 123         dwDebuggerSize = 260;
 124         if (RegQueryValueEx(hKey, _T("Debugger"), NULL, NULL, (LPBYTE)strDebugger, &dwDebuggerSize) == ERROR_SUCCESS)
 125         {
 126             for (Idx=0; Idx<_tcslen(strDebugger); Idx++)
 127                 strDebugger[Idx] = toupper(strDebugger[Idx]);
 128
 129             if (_tcsstr(strDebugger, _T("DRWTSN32")))
 130                 EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 131         }
 132         else
 133             EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 134
 135         RegCloseKey(hKey);
 136     } else {
 137         EnableMenuItem(hSubMenu, ID_PROCESS_PAGE_DEBUG, MF_BYCOMMAND|MF_DISABLED|MF_GRAYED);
 138     }
 139     TrackPopupMenu(hSubMenu, TPM_LEFTALIGN|TPM_TOPALIGN|TPM_LEFTBUTTON, pt.x, pt.y, 0, hMainWnd, NULL);
 140     DestroyMenu(hMenu);
 141 }
 142
 143 static void ProcessPageOnNotify(WPARAM wParam, LPARAM lParam)
 144 {
 145     int                idctrl;
 146     LPNMHDR            pnmh;
 147     LPNMLISTVIEW    pnmv;
 148     NMLVDISPINFO*    pnmdi;
 149     LPNMHEADER        pnmhdr;
 150     LVITEM            lvitem;
 151     ULONG            Index;
 152     ULONG            ColumnIndex;
 153     IO_COUNTERS        iocounters;
 154     TIME            time;
 155
 156     idctrl = (int) wParam;
 157     pnmh = (LPNMHDR) lParam;
 158     pnmv = (LPNMLISTVIEW) lParam;
 159     pnmdi = (NMLVDISPINFO*) lParam;
 160     pnmhdr = (LPNMHEADER) lParam;
 161
 162     if (pnmh->hwndFrom == hProcessPageListCtrl)
 163     {
 164         switch (pnmh->code)
 165         {
 166 #if 0
 167         case LVN_ITEMCHANGED:
 168             ProcessPageUpdate();
 169             break;
 170 #endif
 171
 172         case LVN_GETDISPINFO:
 173
 174             if (!(pnmdi->item.mask & LVIF_TEXT))
 175                 break;
 176
 177             ColumnIndex = pnmdi->item.iSubItem;
 178             Index = pnmdi->item.iItem;
 179
 180             if (ColumnDataHints[ColumnIndex] == COLUMN_IMAGENAME)
 181                 PerfDataGetImageName(Index, pnmdi->item.pszText, pnmdi->item.cchTextMax);
 182             if (ColumnDataHints[ColumnIndex] == COLUMN_PID)
 183                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetProcessId(Index));
 184             if (ColumnDataHints[ColumnIndex] == COLUMN_USERNAME)
 185                 PerfDataGetUserName(Index, pnmdi->item.pszText, pnmdi->item.cchTextMax);
 186             if (ColumnDataHints[ColumnIndex] == COLUMN_SESSIONID)
 187                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetSessionId(Index));
 188             if (ColumnDataHints[ColumnIndex] == COLUMN_CPUUSAGE)
 189                 wsprintf(pnmdi->item.pszText, _T("%02d"), PerfDataGetCPUUsage(Index));
 190             if (ColumnDataHints[ColumnIndex] == COLUMN_CPUTIME)
 191             {
 192                 DWORD dwHours;
 193                 DWORD dwMinutes;
 194                 DWORD dwSeconds;
 195                 ULONGLONG secs;
 196
 197                 time = PerfDataGetCPUTime(Index);
 198                 secs = time.QuadPart / 10000000;
 199                 dwHours = secs / 3600;
 200                 dwMinutes = (secs % 3600) / 60;
 201                 dwSeconds = (secs % 3600) % 60;
 202                 wsprintf(pnmdi->item.pszText, _T("%d:%02d:%02d"), dwHours, dwMinutes, dwSeconds);
 203             }
 204             if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGE)
 205             {
 206                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetWorkingSetSizeBytes(Index) / 1024);
 207                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 208                 _tcscat(pnmdi->item.pszText, _T(" K"));
 209             }
 210             if (ColumnDataHints[ColumnIndex] == COLUMN_PEAKMEMORYUSAGE)
 211             {
 212                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetPeakWorkingSetSizeBytes(Index) / 1024);
 213                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 214                 _tcscat(pnmdi->item.pszText, _T(" K"));
 215             }
 216             if (ColumnDataHints[ColumnIndex] == COLUMN_MEMORYUSAGEDELTA)
 217             {
 218                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetWorkingSetSizeDelta(Index) / 1024);
 219                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 220                 _tcscat(pnmdi->item.pszText, _T(" K"));
 221             }
 222             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTS)
 223             {
 224                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetPageFaultCount(Index));
 225                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 226             }
 227             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEFAULTSDELTA)
 228             {
 229                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetPageFaultCountDelta(Index));
 230                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 231             }
 232             if (ColumnDataHints[ColumnIndex] == COLUMN_VIRTUALMEMORYSIZE)
 233             {
 234                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetVirtualMemorySizeBytes(Index) / 1024);
 235                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 236                 _tcscat(pnmdi->item.pszText, _T(" K"));
 237             }
 238             if (ColumnDataHints[ColumnIndex] == COLUMN_PAGEDPOOL)
 239             {
 240                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetPagedPoolUsagePages(Index) / 1024);
 241                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 242                 _tcscat(pnmdi->item.pszText, _T(" K"));
 243             }
 244             if (ColumnDataHints[ColumnIndex] == COLUMN_NONPAGEDPOOL)
 245             {
 246                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetNonPagedPoolUsagePages(Index) / 1024);
 247                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 248                 _tcscat(pnmdi->item.pszText, _T(" K"));
 249             }
 250             if (ColumnDataHints[ColumnIndex] == COLUMN_BASEPRIORITY)
 251                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetBasePriority(Index));
 252             if (ColumnDataHints[ColumnIndex] == COLUMN_HANDLECOUNT)
 253             {
 254                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetHandleCount(Index));
 255                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 256             }
 257             if (ColumnDataHints[ColumnIndex] == COLUMN_THREADCOUNT)
 258             {
 259                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetThreadCount(Index));
 260                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 261             }
 262             if (ColumnDataHints[ColumnIndex] == COLUMN_USEROBJECTS)
 263             {
 264                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetUSERObjectCount(Index));
 265                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 266             }
 267             if (ColumnDataHints[ColumnIndex] == COLUMN_GDIOBJECTS)
 268             {
 269                 wsprintf(pnmdi->item.pszText, _T("%d"), PerfDataGetGDIObjectCount(Index));
 270                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 271             }
 272             if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADS)
 273             {
 274                 PerfDataGetIOCounters(Index, &iocounters);
 275                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.ReadOperationCount); */
 276 #ifdef UNICODE
 277 #define _ui64toa _ui64tow
 278 #else
 279 #endif
 280                 _ui64toa(iocounters.ReadOperationCount, pnmdi->item.pszText, 10);
 281                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 282             }
 283             if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITES)
 284             {
 285                 PerfDataGetIOCounters(Index, &iocounters);
 286                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.WriteOperationCount); */
 287                 _ui64toa(iocounters.WriteOperationCount, pnmdi->item.pszText, 10);
 288                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 289             }
 290             if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHER)
 291             {
 292                 PerfDataGetIOCounters(Index, &iocounters);
 293                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.OtherOperationCount); */
 294                 _ui64toa(iocounters.OtherOperationCount, pnmdi->item.pszText, 10);
 295                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 296             }
 297             if (ColumnDataHints[ColumnIndex] == COLUMN_IOREADBYTES)
 298             {
 299                 PerfDataGetIOCounters(Index, &iocounters);
 300                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.ReadTransferCount); */
 301                 _ui64toa(iocounters.ReadTransferCount, pnmdi->item.pszText, 10);
 302                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 303             }
 304             if (ColumnDataHints[ColumnIndex] == COLUMN_IOWRITEBYTES)
 305             {
 306                 PerfDataGetIOCounters(Index, &iocounters);
 307                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.WriteTransferCount); */
 308                 _ui64toa(iocounters.WriteTransferCount, pnmdi->item.pszText, 10);
 309                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 310             }
 311             if (ColumnDataHints[ColumnIndex] == COLUMN_IOOTHERBYTES)
 312             {
 313                 PerfDataGetIOCounters(Index, &iocounters);
 314                 /* wsprintf(pnmdi->item.pszText, _T("%d"), iocounters.OtherTransferCount); */
 315                 _ui64toa(iocounters.OtherTransferCount, pnmdi->item.pszText, 10);
 316                 CommaSeparateNumberString(pnmdi->item.pszText, pnmdi->item.cchTextMax);
 317             }
 318
 319             break;
 320
 321         case NM_RCLICK:
 322
 323             for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
 324             {
 325                 memset(&lvitem, 0, sizeof(LVITEM));
 326
 327                 lvitem.mask = LVIF_STATE;
 328                 lvitem.stateMask = LVIS_SELECTED;
 329                 lvitem.iItem = Index;
 330
 331                 SendMessage(hProcessPageListCtrl, LVM_GETITEM, 0, (LPARAM) &lvitem);
 332
 333                 if (lvitem.state & LVIS_SELECTED)
 334                     break;
 335             }
 336
 337             if ((ListView_GetSelectedCount(hProcessPageListCtrl) == 1) &&
 338                 (PerfDataGetProcessId(Index) != 0))
 339             {
 340                 ProcessPageShowContextMenu(PerfDataGetProcessId(Index));
 341             }
 342
 343             break;
 344
 345         }
 346     }
 347     else if (pnmh->hwndFrom == hProcessPageHeaderCtrl)
 348     {
 349         switch (pnmh->code)
 350         {
 351         case HDN_ITEMCLICK:
 352
 353             /*
 354              * FIXME: Fix the column sorting
 355              *
 356              *ListView_SortItems(hApplicationPageListCtrl, ApplicationPageCompareFunc, NULL);
 357              *bSortAscending = !bSortAscending;
 358              */
 359
 360             break;
 361
 362         case HDN_ITEMCHANGED:
 363
 364             UpdateColumnDataHints();
 365
 366             break;
 367
 368         case HDN_ENDDRAG:
 369
 370             UpdateColumnDataHints();
 371
 372             break;
 373
 374         }
 375     }
 376
 377 }
 378
 379 void RefreshProcessPage(void)
 380 {
 381     /* Signal the event so that our refresh thread */
 382     /* will wake up and refresh the process page */
 383     SetEvent(hProcessPageEvent);
 384 }
 385
 386 static DWORD WINAPI ProcessPageRefreshThread(void *lpParameter)
 387 {
 388     ULONG    OldProcessorUsage = 0;
 389     ULONG    OldProcessCount = 0;
 390
 391     /* Create the event */
 392     hProcessPageEvent = CreateEvent(NULL, TRUE, TRUE, NULL);
 393
 394     /* If we couldn't create the event then exit the thread */
 395     if (!hProcessPageEvent)
 396         return 0;
 397
 398     while (1) {
 399         DWORD    dwWaitVal;
 400
 401         /* Wait on the event */
 402         dwWaitVal = WaitForSingleObject(hProcessPageEvent, INFINITE);
 403
 404         /* If the wait failed then the event object must have been */
 405         /* closed and the task manager is exiting so exit this thread */
 406         if (dwWaitVal == WAIT_FAILED)
 407             return 0;
 408
 409         if (dwWaitVal == WAIT_OBJECT_0) {
 410             TCHAR    text[260];
 411
 412             /* Reset our event */
 413             ResetEvent(hProcessPageEvent);
 414
 415             if ((ULONG)SendMessage(hProcessPageListCtrl, LVM_GETITEMCOUNT, 0, 0) != PerfDataGetProcessCount())
 416                 SendMessage(hProcessPageListCtrl, LVM_SETITEMCOUNT, PerfDataGetProcessCount(), /*LVSICF_NOINVALIDATEALL|*/LVSICF_NOSCROLL);
 417
 418             if (IsWindowVisible(hProcessPage))
 419                 InvalidateRect(hProcessPageListCtrl, NULL, FALSE);
 420
 421             if (OldProcessorUsage != PerfDataGetProcessorUsage()) {
 422                 OldProcessorUsage = PerfDataGetProcessorUsage();
 423                 wsprintf(text, _T("CPU Usage: %3d%%"), OldProcessorUsage);
 424                 SendMessage(hStatusWnd, SB_SETTEXT, 1, (LPARAM)text);
 425             }
 426             if (OldProcessCount != PerfDataGetProcessCount()) {
 427                 OldProcessCount = PerfDataGetProcessCount();
 428                 wsprintf(text, _T("Processes: %d"), OldProcessCount);
 429                 SendMessage(hStatusWnd, SB_SETTEXT, 0, (LPARAM)text);
 430             }
 431         }
 432     }
 433         return 0;
 434 }
 435
 436 INT_PTR CALLBACK
 437 ProcessPageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
 438 {
 439     RECT    rc;
 440     int        nXDifference;
 441     int        nYDifference;
 442     int        cx, cy;
 443
 444     switch (message) {
 445     case WM_INITDIALOG:
 446         /*
 447          * Save the width and height
 448          */
 449         GetClientRect(hDlg, &rc);
 450         nProcessPageWidth = rc.right;
 451         nProcessPageHeight = rc.bottom;
 452
 453         /* Update window position */
 454         SetWindowPos(hDlg, NULL, 15, 30, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 455
 456         /*
 457          * Get handles to the controls
 458          */
 459         hProcessPageListCtrl = GetDlgItem(hDlg, IDC_PROCESSLIST);
 460         hProcessPageHeaderCtrl = ListView_GetHeader(hProcessPageListCtrl);
 461         hProcessPageEndProcessButton = GetDlgItem(hDlg, IDC_ENDPROCESS);
 462         hProcessPageShowAllProcessesButton = GetDlgItem(hDlg, IDC_SHOWALLPROCESSES);
 463
 464         /*
 465          * Set the font, title, and extended window styles for the list control
 466          */
 467         SendMessage(hProcessPageListCtrl, WM_SETFONT, SendMessage(hProcessPage, WM_GETFONT, 0, 0), TRUE);
 468         SetWindowText(hProcessPageListCtrl, _T("Processes"));
 469         SendMessage(hProcessPageListCtrl, LVM_SETEXTENDEDLISTVIEWSTYLE, 0, ListView_GetExtendedListViewStyle(hProcessPageListCtrl) | LVS_EX_FULLROWSELECT | LVS_EX_HEADERDRAGDROP);
 470
 471         AddColumns();
 472
 473         /*
 474          * Subclass the process list control so we can intercept WM_ERASEBKGND
 475          */
 476         OldProcessListWndProc = (WNDPROC)SetWindowLongPtr(hProcessPageListCtrl, GWLP_WNDPROC, (LONG_PTR)ProcessListWndProc);
 477
 478         /* Start our refresh thread */
 479          CreateThread(NULL, 0, ProcessPageRefreshThread, NULL, 0, NULL);
 480
 481         return TRUE;
 482
 483     case WM_DESTROY:
 484         /* Close the event handle, this will make the */
 485         /* refresh thread exit when the wait fails */
 486         CloseHandle(hProcessPageEvent);
 487
 488         SaveColumnSettings();
 489
 490         break;
 491
 492     case WM_COMMAND:
 493         /* Handle the button clicks */
 494         switch (LOWORD(wParam))
 495         {
 496                 case IDC_ENDPROCESS:
 497                         ProcessPage_OnEndProcess();
 498         }
 499         break;
 500
 501     case WM_SIZE:
 502         if (wParam == SIZE_MINIMIZED)
 503             return 0;
 504
 505         cx = LOWORD(lParam);
 506         cy = HIWORD(lParam);
 507         nXDifference = cx - nProcessPageWidth;
 508         nYDifference = cy - nProcessPageHeight;
 509         nProcessPageWidth = cx;
 510         nProcessPageHeight = cy;
 511
 512         /* Reposition the application page's controls */
 513         GetWindowRect(hProcessPageListCtrl, &rc);
 514         cx = (rc.right - rc.left) + nXDifference;
 515         cy = (rc.bottom - rc.top) + nYDifference;
 516         SetWindowPos(hProcessPageListCtrl, NULL, 0, 0, cx, cy, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOMOVE|SWP_NOZORDER);
 517         InvalidateRect(hProcessPageListCtrl, NULL, TRUE);
 518
 519         GetClientRect(hProcessPageEndProcessButton, &rc);
 520         MapWindowPoints(hProcessPageEndProcessButton, hDlg, (LPPOINT)(&rc), (sizeof(RECT)/sizeof(POINT)) );
 521            cx = rc.left + nXDifference;
 522         cy = rc.top + nYDifference;
 523         SetWindowPos(hProcessPageEndProcessButton, NULL, cx, cy, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 524         InvalidateRect(hProcessPageEndProcessButton, NULL, TRUE);
 525
 526         GetClientRect(hProcessPageShowAllProcessesButton, &rc);
 527         MapWindowPoints(hProcessPageShowAllProcessesButton, hDlg, (LPPOINT)(&rc), (sizeof(RECT)/sizeof(POINT)) );
 528            cx = rc.left;
 529         cy = rc.top + nYDifference;
 530         SetWindowPos(hProcessPageShowAllProcessesButton, NULL, cx, cy, 0, 0, SWP_NOACTIVATE|SWP_NOOWNERZORDER|SWP_NOSIZE|SWP_NOZORDER);
 531         InvalidateRect(hProcessPageShowAllProcessesButton, NULL, TRUE);
 532
 533         break;
 534
 535     case WM_NOTIFY:
 536
 537         ProcessPageOnNotify(wParam, lParam);
 538         break;
 539     }
 540
 541     return 0;
 542 }