reactos/dll/cpl/usrmgr/groupprops.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS User Manager Control Panel
   4  * FILE:            dll/cpl/usrmgr/groupprops.c
   5  * PURPOSE:         Group property sheet
   6  *
   7  * PROGRAMMERS:     Eric Kohl
   8  */
   9
  10 #include "usrmgr.h"
  11
  12 typedef struct _GENERAL_GROUP_DATA
  13 {
  14     TCHAR szGroupName[1];
  15 } GENERAL_GROUP_DATA, *PGENERAL_GROUP_DATA;
  16
  17
  18 static VOID
  19 GetTextSid(PSID pSid,
  20            LPTSTR pTextSid)
  21 {
  22     PSID_IDENTIFIER_AUTHORITY psia;
  23     DWORD dwSubAuthorities;
  24     DWORD dwSidRev = SID_REVISION;
  25     DWORD dwCounter;
  26     DWORD dwSidSize;
  27
  28     psia = GetSidIdentifierAuthority(pSid);
  29
  30     dwSubAuthorities = *GetSidSubAuthorityCount(pSid);
  31
  32     dwSidSize = wsprintf(pTextSid, TEXT("S-%lu-"), dwSidRev);
  33
  34     if ((psia->Value[0] != 0) || (psia->Value[1] != 0))
  35     {
  36         dwSidSize += wsprintf(pTextSid + lstrlen(pTextSid),
  37                               TEXT("0x%02hx%02hx%02hx%02hx%02hx%02hx"),
  38                               (USHORT)psia->Value[0],
  39                               (USHORT)psia->Value[1],
  40                               (USHORT)psia->Value[2],
  41                               (USHORT)psia->Value[3],
  42                               (USHORT)psia->Value[4],
  43                               (USHORT)psia->Value[5]);
  44     }
  45     else
  46     {
  47         dwSidSize += wsprintf(pTextSid + lstrlen(pTextSid),
  48                               TEXT("%lu"),
  49                               (ULONG)(psia->Value[5]) +
  50                               (ULONG)(psia->Value[4] <<  8) +
  51                               (ULONG)(psia->Value[3] << 16) +
  52                               (ULONG)(psia->Value[2] << 24));
  53     }
  54
  55     for (dwCounter = 0 ; dwCounter < dwSubAuthorities ; dwCounter++)
  56     {
  57         dwSidSize += wsprintf(pTextSid + dwSidSize, TEXT("-%lu"),
  58                               *GetSidSubAuthority(pSid, dwCounter));
  59     }
  60 }
  61
  62
  63 static VOID
  64 InitGroupMembersList(HWND hwndDlg,
  65                      PGENERAL_GROUP_DATA pGroupData)
  66 {
  67     HWND hwndLV;
  68     LV_COLUMN column;
  69     RECT rect;
  70     TCHAR szStr[32];
  71     HIMAGELIST hImgList;
  72     HICON hIcon;
  73
  74     NET_API_STATUS netStatus;
  75     PUSER_INFO_20 pUserBuffer;
  76     DWORD entriesread;
  77     DWORD totalentries;
  78     DWORD resume_handle = 0;
  79     DWORD i;
  80     LV_ITEM lvi;
  81     INT iItem;
  82
  83     hwndLV = GetDlgItem(hwndDlg, IDC_USER_ADD_MEMBERSHIP_LIST);
  84     GetClientRect(hwndLV, &rect);
  85
  86     hImgList = ImageList_Create(16,16,ILC_COLOR8 | ILC_MASK,5,5);
  87     hIcon = LoadImage(hApplet,MAKEINTRESOURCE(IDI_GROUP),IMAGE_ICON,16,16,LR_DEFAULTCOLOR);
  88     ImageList_AddIcon(hImgList,hIcon);
  89     DestroyIcon(hIcon);
  90     hIcon = LoadImage(hApplet, MAKEINTRESOURCE(IDI_USER), IMAGE_ICON, 16, 16, LR_DEFAULTCOLOR);
  91     ImageList_AddIcon(hImgList, hIcon);
  92     DestroyIcon(hIcon);
  93     hIcon = LoadImage(hApplet, MAKEINTRESOURCE(IDI_LOCKED_USER), IMAGE_ICON, 16, 16, LR_DEFAULTCOLOR);
  94     ImageList_AddIcon(hImgList, hIcon);
  95     DestroyIcon(hIcon);
  96
  97     (void)ListView_SetImageList(hwndLV, hImgList, LVSIL_SMALL);
  98     (void)ListView_SetExtendedListViewStyle(hwndLV, LVS_EX_FULLROWSELECT);
  99
 100     memset(&column, 0x00, sizeof(column));
 101     column.mask = LVCF_FMT | LVCF_WIDTH | LVCF_SUBITEM | LVCF_TEXT;
 102     column.fmt = LVCFMT_LEFT;
 103     column.cx = (INT)((rect.right - rect.left) * 0.40);
 104     column.iSubItem = 0;
 105     LoadString(hApplet, IDS_NAME, szStr, sizeof(szStr) / sizeof(szStr[0]));
 106     column.pszText = szStr;
 107     (void)ListView_InsertColumn(hwndLV, 0, &column);
 108
 109     column.cx = (INT)((rect.right - rect.left) * 0.60);
 110     column.iSubItem = 1;
 111     LoadString(hApplet, IDS_DESCRIPTION, szStr, sizeof(szStr) / sizeof(szStr[0]));
 112     column.pszText = szStr;
 113     (void)ListView_InsertColumn(hwndLV, 1, &column);
 114
 115     /* TODO: Enumerate global groups and add them to the list! */
 116
 117     for (;;)
 118     {
 119         netStatus = NetUserEnum(NULL, 20, FILTER_NORMAL_ACCOUNT,
 120                                 (LPBYTE*)&pUserBuffer,
 121                                 1024, &entriesread,
 122                                 &totalentries, &resume_handle);
 123         if (netStatus != NERR_Success && netStatus != ERROR_MORE_DATA)
 124             break;
 125
 126         for (i = 0; i < entriesread; i++)
 127         {
 128            memset(&lvi, 0x00, sizeof(lvi));
 129            lvi.mask = LVIF_TEXT | LVIF_STATE | LVIF_IMAGE;
 130            lvi.pszText = pUserBuffer[i].usri20_name;
 131            lvi.state = 0;
 132            lvi.iImage = (pUserBuffer[i].usri20_flags & UF_ACCOUNTDISABLE) ? 2 : 1;
 133            iItem = ListView_InsertItem(hwndLV, &lvi);
 134
 135            ListView_SetItemText(hwndLV, iItem, 1,
 136                                 pUserBuffer[i].usri20_full_name);
 137
 138            ListView_SetItemText(hwndLV, iItem, 2,
 139                                 pUserBuffer[i].usri20_comment);
 140         }
 141
 142         NetApiBufferFree(pUserBuffer);
 143
 144         /* No more data left */
 145         if (netStatus != ERROR_MORE_DATA)
 146             break;
 147     }
 148 }
 149
 150
 151 static BOOL
 152 AddSelectedUsersToGroup(HWND hwndDlg,
 153                         PGENERAL_GROUP_DATA pGroupData)
 154 {
 155     HWND hwndLV;
 156     INT nSelectedItems;
 157     INT nItem;
 158     TCHAR szUserName[UNLEN];
 159     BOOL bResult = FALSE;
 160     LOCALGROUP_MEMBERS_INFO_3 memberInfo;
 161     NET_API_STATUS status;
 162
 163     hwndLV = GetDlgItem(hwndDlg, IDC_USER_ADD_MEMBERSHIP_LIST);
 164
 165     nSelectedItems = ListView_GetSelectedCount(hwndLV);
 166     if (nSelectedItems > 0)
 167     {
 168         nItem = ListView_GetNextItem(hwndLV, -1, LVNI_SELECTED);
 169         while (nItem != -1)
 170         {
 171             /* Get the new user name */
 172             ListView_GetItemText(hwndLV,
 173                                  nItem, 0,
 174                                  szUserName,
 175                                  UNLEN);
 176
 177             DebugPrintf(_TEXT("Selected user: %s"), szUserName);
 178
 179             memberInfo.lgrmi3_domainandname = szUserName;
 180
 181             status = NetLocalGroupAddMembers(NULL, pGroupData->szGroupName, 3,
 182                                              (LPBYTE)&memberInfo, 1);
 183             if (status != NERR_Success && status != ERROR_MEMBER_IN_ALIAS)
 184             {
 185                 TCHAR szText[256];
 186                 wsprintf(szText, TEXT("Error: %u"), status);
 187                 MessageBox(NULL, szText, TEXT("NetLocalGroupAddMembers"), MB_ICONERROR | MB_OK);
 188             }
 189             else
 190             {
 191                 bResult = TRUE;
 192             }
 193
 194             nItem = ListView_GetNextItem(hwndLV, nItem, LVNI_SELECTED);
 195         }
 196     }
 197
 198     return bResult;
 199 }
 200
 201
 202 INT_PTR CALLBACK
 203 AddUsersToGroupDlgProc(HWND hwndDlg,
 204                       UINT uMsg,
 205                       WPARAM wParam,
 206                       LPARAM lParam)
 207 {
 208     PGENERAL_GROUP_DATA pGroupData;
 209
 210     UNREFERENCED_PARAMETER(wParam);
 211
 212     pGroupData = (PGENERAL_GROUP_DATA)GetWindowLongPtr(hwndDlg, DWLP_USER);
 213
 214     switch (uMsg)
 215     {
 216         case WM_INITDIALOG:
 217             pGroupData = (PGENERAL_GROUP_DATA)lParam;
 218             SetWindowLongPtr(hwndDlg, DWLP_USER, (INT_PTR)pGroupData);
 219             InitGroupMembersList(hwndDlg, pGroupData);
 220             break;
 221
 222         case WM_COMMAND:
 223             switch (LOWORD(wParam))
 224             {
 225                 case IDOK:
 226                     if (AddSelectedUsersToGroup(hwndDlg, pGroupData))
 227                         EndDialog(hwndDlg, IDOK);
 228                     else
 229                         EndDialog(hwndDlg, IDCANCEL);
 230                     break;
 231
 232                 case IDCANCEL:
 233                     EndDialog(hwndDlg, IDCANCEL);
 234                     break;
 235             }
 236             break;
 237
 238         default:
 239             return FALSE;
 240     }
 241
 242     return TRUE;
 243 }
 244
 245
 246 static VOID
 247 AddUsersToGroup(HWND hwndDlg,
 248                 PGENERAL_GROUP_DATA pGroupData)
 249 {
 250     HWND hwndLV;
 251 //    NET_API_STATUS status;
 252     PLOCALGROUP_MEMBERS_INFO_1 membersInfo = NULL;
 253     DWORD dwRead;
 254     DWORD dwTotal;
 255     DWORD_PTR resumeHandle = 0;
 256     DWORD i;
 257     LV_ITEM lvi;
 258     TCHAR szGroupName[256];
 259
 260     if (DialogBoxParam(hApplet,
 261                        MAKEINTRESOURCE(IDD_USER_ADD_MEMBERSHIP),
 262                        hwndDlg,
 263                        AddUsersToGroupDlgProc,
 264                        (LPARAM)pGroupData) == IDOK)
 265     {
 266         hwndLV = GetDlgItem(hwndDlg, IDC_GROUP_GENERAL_MEMBERS);
 267
 268         (void)ListView_DeleteAllItems(hwndLV);
 269
 270 //        DebugPrintf(_T("Removed all users from the list!"));
 271
 272         /* Set group members */
 273         NetLocalGroupGetMembers(NULL, pGroupData->szGroupName, 1, (LPBYTE*)&membersInfo,
 274                                 MAX_PREFERRED_LENGTH, &dwRead, &dwTotal,
 275                                 &resumeHandle);
 276
 277         for (i = 0; i < dwRead; i++)
 278         {
 279             ZeroMemory(&lvi, sizeof(lvi));
 280             lvi.mask = LVIF_TEXT | LVIF_STATE | LVIF_IMAGE;
 281             lvi.pszText = membersInfo[i].lgrmi1_name;
 282             lvi.state = 0;
 283             lvi.iImage = (membersInfo[i].lgrmi1_sidusage == SidTypeGroup ||
 284                           membersInfo[i].lgrmi1_sidusage == SidTypeWellKnownGroup) ? 1 : 0;
 285
 286             if (membersInfo[i].lgrmi1_sidusage == SidTypeWellKnownGroup)
 287             {
 288                 TCHAR szSid[256];
 289
 290                 GetTextSid(membersInfo[i].lgrmi1_sid, szSid);
 291
 292                 wsprintf(szGroupName,
 293                          TEXT("%s (%s)"),
 294                          membersInfo[i].lgrmi1_name,
 295                          szSid);
 296
 297                 lvi.pszText = szGroupName;
 298             }
 299
 300
 301             (void)ListView_InsertItem(hwndLV, &lvi);
 302         }
 303
 304         NetApiBufferFree(membersInfo);
 305     }
 306 }
 307
 308
 309 static VOID
 310 RemoveUserFromGroup(HWND hwndDlg,
 311                     PGENERAL_GROUP_DATA pGroupData)
 312 {
 313     TCHAR szUserName[UNLEN];
 314     TCHAR szText[256];
 315     LOCALGROUP_MEMBERS_INFO_3 memberInfo;
 316     HWND hwndLV;
 317     INT nItem;
 318     NET_API_STATUS status;
 319
 320     hwndLV = GetDlgItem(hwndDlg, IDC_GROUP_GENERAL_MEMBERS);
 321     nItem = ListView_GetNextItem(hwndLV, -1, LVNI_SELECTED);
 322     if (nItem == -1)
 323         return;
 324
 325     /* Get the new user name */
 326     ListView_GetItemText(hwndLV,
 327                          nItem, 0,
 328                          szUserName,
 329                          UNLEN);
 330
 331     /* Display a warning message because the remove operation cannot be reverted */
 332     wsprintf(szText, TEXT("Do you really want to remove the user \"%s\" from the group \"%s\"?"),
 333              szUserName, pGroupData->szGroupName);
 334     if (MessageBox(NULL, szText, TEXT("User Accounts"), MB_ICONWARNING | MB_YESNO) == IDNO)
 335         return;
 336
 337     memberInfo.lgrmi3_domainandname = szUserName;
 338
 339     status = NetLocalGroupDelMembers(NULL, pGroupData->szGroupName,
 340                                      3, (LPBYTE)&memberInfo, 1);
 341     if (status != NERR_Success)
 342     {
 343         TCHAR szText[256];
 344         wsprintf(szText, TEXT("Error: %u"), status);
 345         MessageBox(NULL, szText, TEXT("NetLocalGroupDelMembers"), MB_ICONERROR | MB_OK);
 346         return;
 347     }
 348
 349     (void)ListView_DeleteItem(hwndLV, nItem);
 350
 351     if (ListView_GetItemCount(hwndLV) == 0)
 352         EnableWindow(GetDlgItem(hwndDlg, IDC_GROUP_GENERAL_REMOVE), FALSE);
 353 }
 354
 355
 356 static BOOL
 357 OnNotify(HWND hwndDlg,
 358          PGENERAL_GROUP_DATA pGroupData,
 359          LPARAM lParam)
 360 {
 361     LPNMLISTVIEW lpnmlv = (LPNMLISTVIEW)lParam;
 362
 363     switch (((LPNMHDR)lParam)->idFrom)
 364     {
 365         case IDC_GROUP_GENERAL_MEMBERS:
 366             switch (((LPNMHDR)lParam)->code)
 367             {
 368                 case NM_CLICK:
 369                     EnableWindow(GetDlgItem(hwndDlg, IDC_GROUP_GENERAL_REMOVE), (lpnmlv->iItem != -1));
 370                     break;
 371
 372                 case LVN_KEYDOWN:
 373                     if (((LPNMLVKEYDOWN)lParam)->wVKey == VK_DELETE)
 374                     {
 375                         RemoveUserFromGroup(hwndDlg, pGroupData);
 376                     }
 377                     break;
 378
 379             }
 380             break;
 381     }
 382
 383     return FALSE;
 384 }
 385
 386
 387 static VOID
 388 GetGeneralGroupData(HWND hwndDlg,
 389                     PGENERAL_GROUP_DATA pGroupData)
 390 {
 391     PLOCALGROUP_INFO_1 groupInfo = NULL;
 392     PLOCALGROUP_MEMBERS_INFO_1 membersInfo = NULL;
 393     DWORD dwRead;
 394     DWORD dwTotal;
 395     DWORD_PTR resumeHandle = 0;
 396     DWORD i;
 397     LV_ITEM lvi;
 398     HWND hwndLV;
 399     LV_COLUMN column;
 400     RECT rect;
 401     HIMAGELIST hImgList;
 402     HICON hIcon;
 403     TCHAR szGroupName[256];
 404
 405
 406     hwndLV = GetDlgItem(hwndDlg, IDC_GROUP_GENERAL_MEMBERS);
 407
 408     /* Create the image list */
 409     hImgList = ImageList_Create(16, 16, ILC_COLOR8 | ILC_MASK, 5, 5);
 410     hIcon = LoadImage(hApplet, MAKEINTRESOURCE(IDI_GROUP), IMAGE_ICON, 16, 16, LR_DEFAULTCOLOR);
 411     ImageList_AddIcon(hImgList, hIcon);
 412     DestroyIcon(hIcon);
 413     hIcon = LoadImage(hApplet, MAKEINTRESOURCE(IDI_USER), IMAGE_ICON, 16, 16, LR_DEFAULTCOLOR);
 414     ImageList_AddIcon(hImgList, hIcon);
 415     DestroyIcon(hIcon);
 416
 417     (void)ListView_SetImageList(hwndLV, hImgList, LVSIL_SMALL);
 418
 419     /* Set the list column */
 420     GetClientRect(hwndLV, &rect);
 421
 422     memset(&column, 0x00, sizeof(column));
 423     column.mask = LVCF_FMT | LVCF_WIDTH | LVCF_SUBITEM;
 424     column.fmt = LVCFMT_LEFT;
 425     column.cx = (INT)(rect.right - rect.left);
 426     column.iSubItem = 0;
 427     (void)ListView_InsertColumn(hwndLV, 0, &column);
 428
 429     /* Set group name */
 430     SetDlgItemText(hwndDlg, IDC_GROUP_GENERAL_NAME, pGroupData->szGroupName);
 431
 432     /* Set group description */
 433     NetLocalGroupGetInfo(NULL, pGroupData->szGroupName, 1, (LPBYTE*)&groupInfo);
 434     SetDlgItemText(hwndDlg, IDC_GROUP_GENERAL_DESCRIPTION, groupInfo->lgrpi1_comment);
 435     NetApiBufferFree(groupInfo);
 436
 437     /* Set group members */
 438     NetLocalGroupGetMembers(NULL, pGroupData->szGroupName, 1, (LPBYTE*)&membersInfo,
 439                             MAX_PREFERRED_LENGTH, &dwRead, &dwTotal,
 440                             &resumeHandle);
 441
 442     for (i = 0; i < dwRead; i++)
 443     {
 444         ZeroMemory(&lvi, sizeof(lvi));
 445         lvi.mask = LVIF_TEXT | LVIF_STATE | LVIF_IMAGE;
 446         lvi.pszText = membersInfo[i].lgrmi1_name;
 447         lvi.state = 0;
 448         if (membersInfo[i].lgrmi1_sidusage == SidTypeGroup ||
 449             membersInfo[i].lgrmi1_sidusage == SidTypeWellKnownGroup)
 450         {
 451             lvi.iImage = 0;
 452         }
 453         else if (membersInfo[i].lgrmi1_sidusage == SidTypeUser)
 454         {
 455             /* FIXME: handle locked user properly! */
 456             lvi.iImage = 1;
 457         }
 458
 459         if (membersInfo[i].lgrmi1_sidusage == SidTypeWellKnownGroup)
 460         {
 461             TCHAR szSid[256];
 462
 463             GetTextSid(membersInfo[i].lgrmi1_sid, szSid);
 464
 465             wsprintf(szGroupName,
 466                      TEXT("%s (%s)"),
 467                      membersInfo[i].lgrmi1_name,
 468                      szSid);
 469
 470             lvi.pszText = szGroupName;
 471         }
 472
 473         (void)ListView_InsertItem(hwndLV, &lvi);
 474     }
 475
 476     NetApiBufferFree(membersInfo);
 477 }
 478
 479
 480 static BOOL
 481 SetGeneralGroupData(HWND hwndDlg,
 482                     PGENERAL_GROUP_DATA pGroupData)
 483 {
 484     LOCALGROUP_INFO_1 groupInfo;
 485     LPTSTR pszComment = NULL;
 486     INT nLength;
 487     NET_API_STATUS status;
 488     DWORD dwIndex;
 489
 490     /* Get the group description */
 491     nLength = GetWindowTextLength(GetDlgItem(hwndDlg, IDC_GROUP_GENERAL_DESCRIPTION));
 492     if (nLength == 0)
 493     {
 494         groupInfo.lgrpi1_comment = NULL;
 495     }
 496     else
 497     {
 498         pszComment = HeapAlloc(GetProcessHeap(), 0, (nLength + 1) * sizeof(TCHAR));
 499         GetDlgItemText(hwndDlg, IDC_GROUP_GENERAL_DESCRIPTION, pszComment, nLength + 1);
 500         groupInfo.lgrpi1_comment = pszComment;
 501     }
 502
 503     status = NetLocalGroupSetInfo(NULL, pGroupData->szGroupName, 1, (LPBYTE)&groupInfo, &dwIndex);
 504     if (status != NERR_Success)
 505     {
 506         DebugPrintf(_T("Status: %lu  Index: %lu"), status, dwIndex);
 507     }
 508
 509     if (pszComment)
 510         HeapFree(GetProcessHeap(), 0, pszComment);
 511
 512     return TRUE;
 513 }
 514
 515
 516 INT_PTR CALLBACK
 517 GroupGeneralPageProc(HWND hwndDlg,
 518                      UINT uMsg,
 519                      WPARAM wParam,
 520                      LPARAM lParam)
 521 {
 522     PGENERAL_GROUP_DATA pGroupData;
 523
 524     UNREFERENCED_PARAMETER(lParam);
 525     UNREFERENCED_PARAMETER(wParam);
 526     UNREFERENCED_PARAMETER(hwndDlg);
 527
 528     pGroupData= (PGENERAL_GROUP_DATA)GetWindowLongPtr(hwndDlg, DWLP_USER);
 529
 530     switch (uMsg)
 531     {
 532         case WM_INITDIALOG:
 533             pGroupData = (PGENERAL_GROUP_DATA)HeapAlloc(GetProcessHeap(),
 534                                                         HEAP_ZERO_MEMORY,
 535                                                         sizeof(GENERAL_GROUP_DATA) +
 536                                                         lstrlen((LPTSTR)((PROPSHEETPAGE *)lParam)->lParam) * sizeof(TCHAR));
 537             lstrcpy(pGroupData->szGroupName, (LPTSTR)((PROPSHEETPAGE *)lParam)->lParam);
 538
 539             SetWindowLongPtr(hwndDlg, DWLP_USER, (INT_PTR)pGroupData);
 540
 541             GetGeneralGroupData(hwndDlg,
 542                                 pGroupData);
 543             break;
 544
 545         case WM_COMMAND:
 546             switch (LOWORD(wParam))
 547             {
 548                 case IDC_GROUP_GENERAL_DESCRIPTION:
 549                     if (HIWORD(wParam) == EN_CHANGE)
 550                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 551                     break;
 552
 553                 case IDC_GROUP_GENERAL_ADD:
 554                     AddUsersToGroup(hwndDlg, pGroupData);
 555                     break;
 556
 557                 case IDC_GROUP_GENERAL_REMOVE:
 558                     RemoveUserFromGroup(hwndDlg, pGroupData);
 559                     break;
 560             }
 561             break;
 562
 563         case WM_NOTIFY:
 564             if (((LPPSHNOTIFY)lParam)->hdr.code == PSN_APPLY)
 565             {
 566                 SetGeneralGroupData(hwndDlg, pGroupData);
 567                 return TRUE;
 568             }
 569             else
 570             {
 571                 return OnNotify(hwndDlg, pGroupData, lParam);
 572             }
 573             break;
 574
 575         case WM_DESTROY:
 576             HeapFree(GetProcessHeap(), 0, pGroupData);
 577             break;
 578     }
 579
 580     return FALSE;
 581 }
 582
 583
 584 static VOID
 585 InitPropSheetPage(PROPSHEETPAGE *psp, WORD idDlg, DLGPROC DlgProc, LPTSTR pszGroup)
 586 {
 587     ZeroMemory(psp, sizeof(PROPSHEETPAGE));
 588     psp->dwSize = sizeof(PROPSHEETPAGE);
 589     psp->dwFlags = PSP_DEFAULT;
 590     psp->hInstance = hApplet;
 591     psp->pszTemplate = MAKEINTRESOURCE(idDlg);
 592     psp->pfnDlgProc = DlgProc;
 593     psp->lParam = (LPARAM)pszGroup;
 594 }
 595
 596
 597 BOOL
 598 GroupProperties(HWND hwndDlg)
 599 {
 600     PROPSHEETPAGE psp[1];
 601     PROPSHEETHEADER psh;
 602     TCHAR szGroupName[UNLEN];
 603     INT nItem;
 604     HWND hwndLV;
 605
 606     hwndLV = GetDlgItem(hwndDlg, IDC_GROUPS_LIST);
 607     nItem = ListView_GetNextItem(hwndLV, -1, LVNI_SELECTED);
 608     if (nItem == -1)
 609         return FALSE;
 610
 611     /* Get the new user name */
 612     ListView_GetItemText(hwndLV,
 613                          nItem, 0,
 614                          szGroupName,
 615                          UNLEN);
 616
 617     ZeroMemory(&psh, sizeof(PROPSHEETHEADER));
 618     psh.dwSize = sizeof(PROPSHEETHEADER);
 619     psh.dwFlags =  PSH_PROPSHEETPAGE | PSH_PROPTITLE;
 620     psh.hwndParent = hwndDlg;
 621     psh.hInstance = hApplet;
 622     psh.hIcon = NULL;
 623     psh.pszCaption = szGroupName;
 624     psh.nPages = sizeof(psp) / sizeof(PROPSHEETPAGE);
 625     psh.nStartPage = 0;
 626     psh.ppsp = psp;
 627
 628     InitPropSheetPage(&psp[0], IDD_GROUP_GENERAL, (DLGPROC)GroupGeneralPageProc, szGroupName);
 629
 630     return (PropertySheet(&psh) == IDOK);
 631 }