Introduction Class TWPCustomRTFControl Class TWPRichText Class TWPCustomRichText Class TDBWPRichText Class TWPCustomRtfEdit Class TWPPreview Class TWPRichTextLabel
Class TWPToolbar Class TWPToolButton Class TWPToolPanel Class TWPVertRuler Class TWPRuler Class TWPGutter
Class TTextHeader Class TWPRTFSectionProps Class TWPOwnedCharAttrInterface Class TWPStoredCharAttrInterface Class TWPAbstractCharAttrInterface Class TWPAbstractCharParAttrInterface Class TWPCursorCharAttrInterface Class TWPFoundTextAttrInterface Class TWPCurrentWritingmodeAttrInterface
Class TWPRTFReaderEx Class TWPRTFReader Class TWPRTFWriter Class TWPRTFWriterEx Class TWPToolsReaderWriter Class TWPTextWriter Class TWPHTMLWriter Class TWPTOOLSWriter Class TWPUNITextWriter Class TWPCustomTextWriter Class TWPTextReader Class TWPHTMLReader Class TWPTOOLSReader Class TWPUNITextReader Class TWPCustomTextReader
Class TWPRTFDataCollectionBase Class TWPRTFDataCollection Class TWPRTFDataBlock Class TWPRTFDataBlockEd Class TParagraph Class TWPTextStyle Class TWPORTFTextBox Class TWPObjectField Class TWPObject Class TWPRTFEngineBasis Class TWPRTFEngineEdit
Class TWPManageHeaderFooterDlg Class TWPPagePropDlg Class TWPParagraphBorderDlgEx Class TWPParagraphBorderDlg Class TWPTabDlgPrp Class TWPOneStyleDlg Class TWPBulletDlg Class TWPSymbolDlg Class TWPSymbolDlgEx Class TWPSpellCheckDlg Class TWPStringDlg Class TWPStyleDlg Class TWPCustomAttrDlg Class TWPSearchReplaceDlg Class TWPParagraphPropDlg Class TWPPreviewDlg Class TWPReportBandsDialog Class TWPTableDlg
Class TWPSuperMerge Class TDBWPEvalEngine Class TWPEvalEngine Class TWPTableProducer Class TWPBand Class TWPDataSetAbstractAdapter
Class TWPSvgXMLNode Class TWPXMLOneLevel Class TWPCustomXMLInterface Class TWPXMLInterface Class TWPLanguageControl Class TWPXMLTree Class TWPSVGXMLTree Class TWPCustomXMLTree
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Class TDBWPEvalEngine

Hierarchy

System.TObject | System.Classes.TPersistent | System.Classes.TComponent | WPEval.TWPCustomEvalEngine | TDBWPEvalEngine

Description

To register a data set with the TDBWPEvalEngine use DBWPEvalEngine.AddDataSet( Alias, Dataset)
The Alias will be expected before the . in a field name, i.e PRODUCTS.PRICE will read out the field price of the table products.

Methods

Procedure AddDataSet(Alias:string; DataSet:TDataSet)

Create(aOwner:TComponent)

Destroy

Procedure Notification(AComponent:TComponent; Operation:TOperation)

Events

OnDBCommand : TWPExecuteDatabaseCommand= TWPExecuteDatabaseCommand

OnError : TWPEvalErrorEvent= TWPEvalErrorEvent

OnFunction : TWPReadFunctionResult= TWPReadFunctionResult

OnGetErrorMessage : TWPEvalGetErrorMessage= TWPEvalGetErrorMessage

OnProcessMessages : TNotifyEvent= procedure (Sender : TObject) of Object

OnReadVariable : TWPReadVariableValue= TWPReadVariableValue

OnWriteVariable : TWPWriteVariableValue= TWPWriteVariableValue

Used or referenced by

-Property TWPEvalType.Engine : TWPCustomEvalEngine
-Property TWPEvalType.Engine : TWPCustomEvalEngine