http://topic.csdn.net/t/20050628/07/4108848.html
下面是控件的源代码。你可以在这里下载源代码和 demo:http://www.sjedu.net/test/treelistview.rar
存在的问题是:
1,滚动条如何处理?目前,水平滚动条为父控件Panel所有,垂直滚动条为子控件Treeview所有。这样处理起来是最简单的,但明显是有问题的。
欢迎各位讨论。
如果你对源代码作了任何改进,请发一份给我qinmaofan@21cn.com,谢谢。
treelistview源代码如下: TreeList.pas
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 | { Multi-column Treeview component for Borland Delphi 7 Name: pTree Version: 1.10 Created: 06/25/2005 E-mail: qinmaofan@21cn.com Copyright (C) 2005 Afan Tim This is a simple multi-column treeview component base on Michal Mecinski 's Multi-Column Tree View (VC++ project) I didn 't want to use Virtual Treeview as it is too complex and too big. So I decide to wrote a simple one. It still has some bugs in vertical and horizontal scrollbars. Send one copy to me if you have make any modification. Thanks in advance. } { Control ' ' has no parent window 错误地解决方法: 在 Constructor 中调用 Handle 时注意点即可。 } unit TreeList; interface uses Windows, SysUtils, Classes, Controls, ComCtrls, messages, ExtCtrls, Graphics, CommCtrl, math, Forms; const WM_ENDDRAGHEADER = WM_USER + 380 ; WM_HEADERWIDTH = WM_USER + 381 ; type Tmyheader = class (THeaderControl) private trHandle: THandle; procedure CNNotify( var msg: TWMNotify); message CN_NOTIFY; public Constructor Create(AOwner:TComponent);override; end ; type TTreeList = class (TTreeView) private //m_cyHeader, { 列头高度 } m_xPos, { 水平滚动条当前位置 } m_xOffset: integer ; { rect的水平偏移 } arrColWidths: array of DWORD; { 列头的各列宽度,发送消息获取 } FHeaderFont: TFont; FHighlightColor: TColor; FChildHighlightTextColor: TColor; FHighlightText: TColor; FMaskColor: TColor; FSeperator: char ; FColCount: integer ; FColsWidth: integer ; Function GetNodeTextFromItem(hItem: HTreeItem; var NodeText: string ): boolean ; procedure SetColumnSeperator(Value: char ); procedure DoDrawItem(Sender: TCustomTreeView; Node: TTreeNode; State: TCustomDrawState; Stage: TCustomDrawStage; var PaintImages, DefaultDraw: Boolean ); procedure CNNotify( var msg: TWMNotify); message CN_NOTIFY; Protected public constructor Create(AOwner: TComponent); override; Procedure SetColArray(_arr: array of integer ); Procedure HideHScroll; Published Property Seperator: char read FSeperator write SetColumnSeperator; Property ColCount: integer read FColCount write FColCount; Property ColsWidth: integer read FColsWidth write FColsWidth; end ; type TpTree = class (TPanel) private m_xPos: integer ; m_cxTotal: integer ; m_cyHeader: integer ; m_xOffset: integer ; FTV: TTreeList; FHDR: Tmyheader; Fhds: THeaderSections; Procedure MsgHeaderWidth( var msg:Tmessage); message WM_HEADERWIDTH; Function AllColumnWidth: integer ; Procedure MsgDragSection( var msg:Tmessage); message WM_ENDDRAGHEADER; procedure OnHScroll( var msg:TWMHScroll); message WM_HSCROLL; Procedure myOnSize( var msg:TWMSize); message WM_SIZE; Procedure RepositionControls; Protected procedure UpdateScroller; public constructor Create(AOwner: TComponent); override; Procedure UpdateColumns; Procedure HideTVHScrollBar; Procedure SetHDSectionWidth( const index, HdsWidth: integer ); Function SubItemAdd(nParent, nChild: TTreeNode; const sItem: string ): TTreeNode; Procedure Clear; Published property tv: TTreeList read FTV write FTV; property hdr: Tmyheader read Fhdr write Fhdr; property ColumnsWidth: integer read AllColumnWidth; property HeaderSections: THeaderSections read Fhds write Fhds; end ; procedure Register; type pDLLVERSIONINFO = ^DLLVERSIONINFO; DLLVERSIONINFO = record cbSize : integer ; dwMajor : integer ; dwMinor : integer ; dwBuildNumber : integer ; dwPlatformID : integer ; end ; { 取文件版本信息的结构 } type PFixedFileInfo = ^TFixedFileInfo; TFixedFileInfo = record dwSignature : DWORD; dwStrucVersion : DWORD; wFileVersionMS : WORD ; // 次版本号 wFileVersionLS : WORD ; // 主版本号 wProductVersionMS : WORD ; // 建立次数(build) wProductVersionLS : WORD ; // 发行次数(release) dwFileFlagsMask : DWORD; dwFileFlags : DWORD; dwFileOS : DWORD; dwFileType : DWORD; dwFileSubtype : DWORD; dwFileDateMS : DWORD; dwFileDateLS : DWORD; end ; const TVS_NOHSCROLL = $8000 ; Node_Text_Len_1 = 128 ; Node_Text_Len_2 = 512 ; implementation { 缩减矩形面积 } Procedure DeflateRect( var rect:TRECT; w,h: integer ); begin Inc(rect . Left, w); Dec(rect . Right, w); Inc(rect . Top, h); Dec(rect . Bottom, h); end ; //下面是取版本信息函数 Function FileVersionInfo( const FileName: String ; var Major:DWORD): boolean ; var dwHandle, dwVersionSize, pulen : DWORD; strSubBlock : String ; pTemp : Pointer ; pData : Pointer ; FixedFileInfo : pFixedFileInfo; begin result:= false ; strSubBlock := '\ ' ; // 取得文件版本信息的大小 dwVersionSize := GetFileVersionInfoSize( PChar (FileName), dwHandle ); if dwVersionSize <> 0 then begin GetMem(pTemp, dwVersionSize); try //取文件版本信息 if GetFileVersionInfo( PChar ( FileName ),dwHandle,dwVersionSize,pTemp ) then if VerQueryValue(pTemp, PChar ( strSubBlock ),pData,pulen) then begin Result := true ; FixedFileInfo:= pData; Major:= FixedFileInfo^.wFileVersionLS; end ; finally FreeMem(pTemp, dwVersionSize); end ; end ; end ; Function FullPath(fname: string ): string ; var filepart,buffer: pchar ; err,cbLen: dword; begin result:= ' ' ; cbLen:= 0 ; cbLen:= Searchpath( nil , pchar (fname), nil , 0 , nil , filepart); if cbLen = 0 then exit; GetMem(buffer, cbLen + 1 ); err:= Searchpath( nil , pchar (fname), nil , cbLen, buffer, filepart); if err <> 0 then result:= string (buffer); freemem(buffer); end ; procedure Register; begin RegisterComponents( 'Samples ' , [TpTree]); end ; //============================================================================// { TTreeList } constructor TTreeList . Create(AOwner: TComponent); var bIsComCtl6: boolean ; v: dword; s: string ; size: TSize; sect: THeaderSection; begin inherited Create(AOwner); ToolTips:= false ; Readonly:= true ; //HideHScroll; SetLength(arrColWidths, 1 ); FSeperator := '| ' ; // check if the common controls library version 6.0 is available bIsComCtl6 := FALSE ; v:= 0 ; s:= Fullpath( 'comctl32.dll ' ); if s <> ' ' then if FileVersionInfo(s, v) and (v > = 6 ) then bIsComCtl6:= true ; if bIsComCtl6 then m_xOffset:= 9 else m_xOffset := 6 ; m_xPos := 0 ; //OnAdvancedCustomDrawItem:= DoDrawItem; end ; procedure TTreeList . SetColumnSeperator(Value: char ); begin FSeperator := Value; end ; procedure TTreeList . SetColArray(_arr: array of integer ); var i,len: integer ; begin len:= Length(_arr); SetLength(arrColWidths, len); ZeroMemory(@arrColWidths[ 0 ], SizeOf(arrColWidths)); For i:= low(_arr) to high(_arr) do arrColWidths[I]:= _arr[I]; end ; procedure TTreeList . CNNotify( var msg: TWMNotify); var nmDraw: pNMCUSTOMDRAW; tvDraw: pNMTVCustomDraw; hItem: HTREEITEM; aBrush,OldBrush: hBrush; rcLabel,rcText,rcItem: TRECT; dc: hDC; crTextBk,crWnd,crText: dword; i,k,xOffset,MainWidth: integer ; strNode,strSub: string ; uDrawMode:UINT ; HasChildren: boolean ; begin if msg . NMHdr . code <> NM_CUSTOMDRAW then begin inherited ; exit; end ; nmDraw:= pNMCUSTOMDRAW( pointer (msg . NMHdr)); tvDraw:= pNMTVCUSTOMDRAW( pointer (msg . NMHdr)); case nmDraw . dwDrawStage of CDDS_PREPAINT: msg . Result := CDRF_NOTIFYITEMDRAW; CDDS_ITEMPREPAINT: msg . Result := CDRF_DODEFAULT or CDRF_NOTIFYPOSTPAINT; CDDS_ITEMPOSTPAINT: begin rcItem:= nmDraw . rc; if IsRectEmpty(rcItem) then begin msg . Result := CDRF_DODEFAULT; exit; end ; hItem:= HTreeItem(nmDraw . dwItemSpec); if not GetNodeTextFromItem(hItem, strNode) then begin exit; end ; strSub:= ' ' ; //HasChildren:= TreeView_GetChild(handle, hItem) <> nil; HasChildren:= Pos(FSeperator, strNode) = 0 ; { Send message to parent window to get header information } if not Boolean (SendMessage(Parent . Handle, WM_HEADERWIDTH, 0 , 0 )) then exit; if FColCount = 0 then exit; dc:= nmDraw . hdc; Treeview_GetItemRect(handle, hItem, rcLabel, true ); if rcLabel . Right > = Width then HideHScroll; crTextBk:= tvDraw . clrTextBk; //clrText:= GetSysColor(COLOR_WINDOWTEXT); { font and background color } crWnd:= GetSysColor(COLOR_WINDOW); { clear the original label rectangle } aBrush:= CreateSolidBrush(crWnd); //OldBrush:= SelectObject(dc, aBrush); rcLabel . Right := max(FColsWidth - 2 , rcLabel . Right); FillRect(dc, rcLabel, aBrush); DeleteObject(aBrush); //SelectObject(dc, OldBrush); { if nmDraw.dwDrawStage and CDIS_SELECTED = CDIS_SELECTED then begin //clrBackground := GetSysColor(COLOR_BTNFACE); crText := GetSysColor(COLOR_WINDOWTEXT); end; if nmDraw.dwDrawStage and CDIS_FOCUS = CDIS_FOCUS then begin //clrBackground := GetSysColor(COLOR_HIGHLIGHT); crText := GetSysColor(COLOR_HIGHLIGHTTEXT); end; } if HasChildren then strSub:= strNode else begin k:= Pos(FSeperator, strNode); if k > 0 then begin strSub:= Copy(strNode, 1 , k- 1 ); System . Delete(strNode, 1 , k); end else begin strSub:= strNode; strNode:= ' ' ; end ; end ; // calculate main label 's size ZeroMemory(@rcText, SizeOf(rcText)); DrawText(DC, pchar (strSub), Length(StrSub), rcText, DT_NOPREFIX or DT_CALCRECT); MainWidth:= min(rcLabel . left + rcText . right + 4 , arrColWidths[ 0 ] - 4 ); rcLabel . Right := FColsWidth - 2 ; SetBkColor(dc, crTextBk); { 如果没有这行,view中第一个节点显示就有问题 } if rcLabel . right - rcLabel . Left < 0 then crTextBk := crWnd; // draw label 's background if crTextBk <> crWnd then begin aBrush:= CreateSolidBrush(crTextBk); FillRect(dc, rcLabel, aBrush); DeleteObject(aBrush); end ; SetTextColor(dc, tvDraw . clrText); //SetTextColor(dc, crText); // draw main label rcText := rcLabel; if not HasChildren then rcText . Right := MainWidth; DeflateRect(rcText, 2 , 1 ); DrawText(DC, pchar (strSub), Length(StrSub), rcText, DT_NOPREFIX or DT_END_ELLIPSIS); xOffset := arrColWidths[ 0 ]; SetBkMode(dc, TRANSPARENT); if not HasChildren then begin //SetTextColor(dc, GetSysColor(COLOR_WINDOWTEXT)); for i:= 1 to Length(arrColWidths) - 1 do begin k:= Pos(FSeperator, strNode); if k > 0 then begin strSub:= Copy(strNode, 1 , k- 1 ); System . Delete(strNode, 1 , k); end else begin strSub:= strNode; strNode:= ' ' ; end ; rcText := rcLabel; rcText . left := xOffset; rcText . right := xOffset + arrColWidths[I]; Inc(rcText . Left, m_xOffset); Dec(rcText . Right, 1 ); Inc(rcText . Top, 2 ); Dec(rcText . Bottom, 1 ); DrawText(DC, pchar (strSub), Length(strsub), rcText, DT_NOPREFIX or DT_END_ELLIPSIS); Inc(xOffset, arrColWidths[I]); end ; {of FOR} end ; { // draw focus rectangle if necessary if nmDraw.uItemState and CDIS_FOCUS = CDIS_FOCUS then DrawFocusRect(dc, rcLabel); } msg . Result := CDRF_DODEFAULT; end ; else msg . Result := CDRF_DODEFAULT; end ; {of CASE} end ; { 获取节点的文字 } function TTreeList . GetNodeTextFromItem(hItem: HTreeItem; var NodeText: string ): boolean ; var tvi: TTVItem; begin result:= true ; NodeText:= ' ' ; Fillchar(tvi, SizeOf(tvi), 0 ); tvi . hItem:= hItem; tvi . mask := TVIF_TEXT; tvi . cchTextMax:= Node_Text_Len_1; GetMem(tvi . pszText, Node_Text_Len_1); if not Treeview_GetItem(handle, tvi) then begin FreeMem(tvi . pszText); result:= false ; exit; end ; NodeText:= Trim(tvi . pszText); FreeMem(tvi . pszText); if Length(NodeText) > = Node_Text_Len_1 - 1 then begin Fillchar(tvi, SizeOf(tvi), 0 ); tvi . hItem:= hItem; tvi . mask := TVIF_TEXT; tvi . cchTextMax:= Node_Text_Len_2; GetMem(tvi . pszText, Node_Text_Len_2); if not Treeview_GetItem(handle, tvi) then begin FreeMem(tvi . pszText); exit; end ; NodeText:= Trim(tvi . pszText); FreeMem(tvi . pszText); end ; end ; procedure TTreeList . HideHScroll; begin ShowScrollBar(Handle, SB_HORZ, false ); end ; //===========================================================================// { Tmyheader } constructor Tmyheader . Create(AOwner: TComponent); begin inherited Create(AOwner); end ; procedure Tmyheader . CNNotify( var msg: TWMNotify); var code: integer ; hditem: HD_ITEM; begin inherited ; code:= PHDNotify(msg . NMHdr)^.Hdr . code; if (code = HDN_ENDTRACKW) or (code = HDN_ENDTRACK) then begin { 列头的宽度不应该在这里求,没有变 } { Post message to get columns width } PostMessage(Parent . Handle, WM_ENDDRAGHEADER, 0 , 0 ); end ; end ; //===========================================================================// { TpnlTreeview } constructor TpTree . Create(AOwner: TComponent); var bIsComCtl6: boolean ; v: DWORD; s: string ; begin inherited Create(AOwner); caption:= ' ' ; BevelInner:= bvNone; BevelOuter:= bvNone; Self . BorderStyle:= bsSingle; m_xPos:= 0 ; m_cxTotal:= 0 ; Fhdr:= Tmyheader . Create(self); with Fhdr do begin Parent := Self; Align := alTop; Name := 'Header1 ' ; Fhds:= Sections; end ; Ftv:= TTreeList . Create(self); with Ftv do begin Parent := Self; HideSelection:= false ; RowSelect:= true ; Align := alClient; BevelInner:= bvNone; BevelOuter:= bvNone; BorderStyle:= bsNone; BevelEdges:= []; Ctl3D := false ; Name := 'Treeview1 ' ; //HideHScroll; end ; Fhdr . Align := alNone; Ftv . Align := alNone; // check if the common controls library version 6.0 is available bIsComCtl6 := FALSE ; v:= 0 ; s:= Fullpath( 'comctl32.dll ' ); if s <> ' ' then if FileVersionInfo(s, v) and (v > = 6 ) then bIsComCtl6:= true ; if bIsComCtl6 then m_xOffset:= 9 else m_xOffset := 6 ; m_xPos := 0 ; if bIsComCtl6 then m_cyHeader:= 7 else m_cyHeader:= 4 ; //UpdateColumns; end ; { Header发送列头改变的消息给父组件,然后父组件处理滚动条和treeview重绘 } { This event notified by Header } procedure TpTree . MsgDragSection( var msg: Tmessage); begin UpdateColumns(); Ftv . Invalidate; end ; { 子控件发送消息要求取列头宽度数据 } { Get columns width in Header } procedure TpTree . MsgHeaderWidth( var msg: Tmessage); var arr: array of integer ; i,k,w: integer ; hdItem: HD_ITEM; begin k:= Fhdr . Sections . Count ; w:= 0 ; SetLength(arr, k); for i:= 0 to k - 1 do begin Fillchar(hdItem, SizeOf(hdItem), 0 ); hdItem . Mask:= HDI_WIDTH; if Header_GetItem(Fhdr . Handle , i, hdItem) then begin arr[I]:= hdItem . cxy; Inc(w, hdItem . cxy); end ; end ; Ftv . ColCount:= k; Ftv . ColsWidth:= w; Ftv . SetColArray(arr); msg . Result := 1 ; end ; function TpTree . AllColumnWidth: integer ; var i,k: integer ; hdItem: HD_ITEM; begin result:= 0 ; k:= Fhdr . Sections . Count ; for i:= 0 to k - 1 do begin Fillchar(hdItem, SizeOf(hdItem), 0 ); hdItem . Mask:= HDI_WIDTH; if Header_GetItem(Fhdr . Handle , i, hdItem) then Inc(result, hdItem . cxy); end ; end ; { Panel大小改变时,更新滚动条和重新定位字控件的位置 } { Update scrollbar, Header, Treeview after panel 's size changed } procedure TpTree . myOnSize( var msg: TWMSize); begin inherited ; UpdateScroller(); RepositionControls(); end ; { 设置水平滚动条 } procedure TpTree . OnHScroll( var msg: TWMHScroll); var xLast: integer ; begin xLast:= m_xPos; case msg . ScrollCode of SB_LINELEFT: Dec(m_xPos, 15 ); SB_LINERIGHT: Inc(m_xPos, 15 ); SB_PAGELEFT: Dec(m_xPos, width); SB_PAGERIGHT: Inc(m_xPos, width); SB_LEFT: m_xPos := 0 ; SB_RIGHT: m_xPos := m_cxTotal - width; SB_THUMBTRACK: m_xPos := msg . Pos; end ; if m_xPos < 0 then m_xPos:= 0 else if m_xPos > m_cxTotal - width then m_xPos:= m_cxTotal - width; if xLast = m_xPos then exit; SetScrollPos(handle, SB_HORZ, m_xPos, true ); RepositionControls(); end ; { 移动 Treeview 和 header 的位置 } { Move Header and Treeview in panel while scrolling } procedure TpTree . RepositionControls; var x,cx,cy: integer ; begin if self . HandleAllocated then begin cx:= Width; cy:= Height; x:= 0 ; if cx < m_cxTotal then begin x := GetScrollPos(handle, SB_HORZ); Inc(cx, x); end ; MoveWindow(Fhdr . Handle, -x, 0 , cx, Fhdr . Height, true ); MoveWindow(Ftv . Handle, -x, Fhdr . Height, cx, cy - Fhdr . Height, true ); end ; end ; procedure TpTree . UpdateColumns; begin if not HandleAllocated then exit; m_cxTotal:= AllColumnWidth ; Ftv . Width := m_cxTotal; UpdateScroller(); RepositionControls(); end ; { 更新水平滚动条 } procedure TpTree . UpdateScroller; var si: ScrollInfo; i: integer ; begin if m_xPos > m_cxTotal - width then m_xPos:= m_cxTotal - width; if m_xPos < 0 then m_xPos:= 0 ; FillChar(si, sizeof(si), 0 ); si . cbSize := sizeof(si); si . fMask := SIF_PAGE or SIF_POS or SIF_RANGE; si . nPage := width; si . nMin := 0 ; si . nMax := m_cxTotal; si . nPos := m_xPos; SetScrollInfo(handle, SB_HORZ, si, true ); end ; procedure TpTree . HideTVHScrollBar; begin ShowScrollBar(Ftv . Handle, SB_HORZ, false ); end ; { Change header section ' width and invalidate } procedure TpTree . SetHDSectionWidth( const index, Hdswidth: integer ); begin if HeaderSections . Count > index then if HeaderSections[index].Width <> HdsWidth then begin HeaderSections[Index].Width:= HdsWidth; Ftv . Invalidate; end ; end ; { Clear all items in treeview } procedure TpTree . Clear; begin Ftv . Items . Clear; end ; { Add column item (child node) to nParent treenode } function TpTree . SubItemAdd(nParent, nChild: TTreeNode; const sItem: string ): TTreeNode; var s: string ; begin { The first column } if nChild = nil then result:= Ftv . Items . AddChild(nParent, sItem) { Other column } else begin s:= nChild . Text ; s:= s + tv . Seperator + sItem; nChild . Text := s; end ; end ; end . |
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