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TCheckListBox/ja

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A TCheckListBox tchecklistbox.png はユーザーが複数の選択ができる(スクロールできる)チェックボックスのコンポーネントである。Component PaletteのAdditional tabにある。

CheckListBoxDemo.png

使い方

TCheckListBoxは2つの部品からなってると考えること。左にチェックボックスを持つ、文字の入ったTListBoxである。この文字列は通常チェックボックスを選択するとユーザーが選択したものを現す。文字列はここに用いられるように配置され、例えば -

pascal
CheckListBox1.AddItem('Line One', Nil);
    CheckListBox1.AddItem('Line Two', Nil);

または、すでに存在する文字列のリストのどこでも割り当てること -

pascal
CheckListBox1.Items.Assign(MyStringList);

そこで、わかる状態にチェックボックスを配置するのは良い考えで -

pascal
for I := 0 to CheckListBox1.Count-1 do
            CheckListBox1.Checked[I] := False;

TCheckListBoxはユーザに好みの数だけ、あるいはまったく選択しないことを可能にする。0個の選択許すためにOnItemClickイベントを用い -

pascal
procedure TNoteBookPick.CheckListBox1ItemClick(Sender: TObject; Index: integer);
    var
        I : integer;
    begin
        if (Sender as TCheckListBox).Checked[Index] then begin
            for I := 0 to CheckListBox1.Count -1 do
                CheckListBox1.Checked[I] := False;
            CheckListBox1.Checked[Index] := True;
        end;
    end;

例えばユーザーがチェックボックスを埋め終わったことを読み取るのに -

pascal
for I := 0 to CheckListBox1.Count -1 do
            if CheckListBox1.Checked[I] then DebugLn('Checked Item ' + CheckListBox1.Items[I]);

TCheckGroupとの比較

Standard component paletteタブに類似した名前のTCheckGroupがある。違いは

  1. TCheckGroupのアイテムは等幅になっているが、TCheckListBoxは下にスクロールできる。
  2. TCheckListBox はAllowGrayedプロパティを持つ

以下も参照のこと

LCL Components Component Tab Components
Standard/ja TMainMenu/ja • TPopupMenu/ja • TButton/ja • TLabel/ja • TEdit/ja • TMemo/ja • TToggleBox • TCheckBox/ja • TRadioButton/ja • TListBox/ja • TComboBox/ja • TScrollBar/ja • TGroupBox/ja • TRadioGroup/ja • TCheckGroup/ja • TPanel/ja • TFrame/ja • TActionList/ja
Additional TBitBtn/ja • TSpeedButton/ja • TStaticText/ja • TImage/ja • TShape/ja • TBevel/ja • TPaintBox/ja • TNotebook/ja • TLabeledEdit/ja • TSplitter/ja • TTrayIcon/ja • TControlBar/ja • TFlowPanel/ja • TMaskEdit/ja • TCheckListBox/ja • TScrollBox/ja • TApplicationProperties/ja • TStringGrid/ja • TDrawGrid/ja • TPairSplitter/ja • TColorBox/ja • TColorListBox/ja • TValueListEditor/ja
Common Controls TTrackBar • TProgressBar • TTreeView • TListView • TStatusBar • TToolBar • TCoolBar • TUpDown • TPageControl • TTabControl • THeaderControl • TImageList • TPopupNotifier • TDateTimePicker
Dialogs TOpenDialog • TSaveDialog • TSelectDirectoryDialog • TColorDialog • TFontDialog • TFindDialog • TReplaceDialog • TTaskDialog • TOpenPictureDialog • TSavePictureDialog • TCalendarDialog • TCalculatorDialog • TPrinterSetupDialog • TPrintDialog • TPageSetupDialog
Data Controls TDBNavigator/ja • TDBText/ja • TDBEdit/ja • TDBMemo/ja • TDBImage/ja • TDBListBox/ja • TDBLookupListBox/ja • TDBComboBox/ja • TDBLookupComboBox/ja • TDBCheckBox/ja • TDBRadioGroup/ja • TDBCalendar/ja • TDBGroupBox/ja • TDBGrid/ja • TDBDateTimePicker/ja
Data Access TDataSource/ja • TCSVDataSet/ja • TSdfDataSet/ja • TBufDataset/ja • TFixedFormatDataSet/ja • TDbf/ja • TMemDataset/ja
System TTimer • TIdleTimer • TLazComponentQueue • THTMLHelpDatabase • THTMLBrowserHelpViewer • TAsyncProcess • TProcessUTF8 • TProcess • TSimpleIPCClient • TSimpleIPCServer • TXMLConfig • TEventLog • TServiceManager • TCHMHelpDatabase • TLHelpConnector
Misc TColorButton • TSpinEdit • TFloatSpinEdit • TArrow • TCalendar • TEditButton • TFileNameEdit • TDirectoryEdit • TDateEdit • TTimeEdit • TCalcEdit • TFileListBox • TFilterComboBox • TComboBoxEx • TCheckComboBox • TButtonPanel • TShellTreeView • TShellListView • TXMLPropStorage • TINIPropStorage • TJSONPropStorage • TIDEDialogLayoutStorage • TMRUManager • TStrHolder
LazControls TCheckBoxThemed • TDividerBevel • TExtendedNotebook • TListFilterEdit • TListViewFilterEdit • TLvlGraphControl • TShortPathEdit • TSpinEditEx • TFloatSpinEditEx • TTreeFilterEdit • TExtendedTabControl •
RTTI TTIEdit • TTIComboBox • TTIButton • TTICheckBox • TTILabel • TTIGroupBox • TTIRadioGroup • TTICheckGroup • TTICheckListBox • TTIListBox • TTIMemo • TTICalendar • TTIImage • TTIFloatSpinEdit • TTISpinEdit • TTITrackBar • TTIProgressBar • TTIMaskEdit • TTIColorButton • TMultiPropertyLink • TTIPropertyGrid • TTIGrid
SQLdb TSQLQuery/ja • TSQLTransaction/ja • TSQLScript • TSQLConnector • TMSSQLConnection • TSybaseConnection • TPQConnection • TPQTEventMonitor • TOracleConnection • TODBCConnection • TMySQL40Connection • TMySQL41Connection • TMySQL50Connection • TMySQL51Connection • TMySQL55Connection • TMySQL56Connection • TMySQL57Connection • TSQLite3Connection/ja • TIBConnection • TFBAdmin • TFBEventMonitor • TSQLDBLibraryLoader
Pascal Script TPSScript • TPSScriptDebugger • TPSDllPlugin • TPSImport Classes • TPSImport DateUtils • TPSImport ComObj • TPSImport DB • TPSImport Forms • TPSImport Controls • TPSImport StdCtrls • TPSCustomPlugin
SynEdit TSynEdit • TSynCompletion • TSynAutoComplete • TSynMacroRecorder • TSynExporterHTML • TSynPluginSyncroEdit • TSynPasSyn • TSynFreePascalSyn • TSynCppSyn • TSynJavaSyn • TSynPerlSyn • TSynHTMLSyn • TSynXMLSyn • TSynLFMSyn • TSynDiffSyn • TSynUNIXShellScriptSyn • TSynCssSyn • TSynPHPSyn • TSynTeXSyn • TSynSQLSyn • TSynPythonSyn • TSynVBSyn • TSynAnySyn • TSynMultiSyn • TSynBatSyn • TSynIniSyn • TSynPoSyn
Chart TChart • TListChartSource • TRandomChartSource • TUserDefinedChartSource • TCalculatedChartSource • TDbChartSource • TChartToolset • TChartAxisTransformations • TChartStyles • TChartLegendPanel • TChartNavScrollBar • TChartNavPanel • TIntervalChartSource • TDateTimeIntervalChartSource • TChartListBox • TChartExtentLink • TChartImageList
IPro TIpFileDataProvider • TIpHtmlDataProvider • TIpHttpDataProvider • TIpHtmlPanel
Virtual Controls TVirtualDrawTree • TVirtualStringTree • TVTHeaderPopupMenu

From the Free Pascal wiki, page "TCheckListBox/ja", as the Internet Archive kept it on 2025-01-17, last changed on 2024-09-23. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.

Revision 1, last changed by WikiArchive .

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