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ID:13426893
大小:21.49 KB
页数:7页
时间:2018-07-22
《delphi 字段定义枚举值 fielddefs ftstring》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、TClientDataSet[7]:辨析Field、FieldDef、Fields、FieldDefs、FieldList、FieldDefListTFieldTFieldDefTFieldsTFieldDefsTFieldList、TFieldDefListAssignAssignValueClearFocusControlGetDataGetParentComponentHasParentIsBlobIsValidCharRefreshLookupListSetDataSetFieldTypeSetParentComponentValidateAsBCDAsBooleanA
2、sCurrencyAsDateTimeAsSQLTimeStampAsSQLTimeStampOffsetAsSingleAsFloatAsExtendedAsIntegerAsLargeIntAsStringAsWideStringAddChildAssignCreateFieldHasChildDefsFieldClassFieldNoInternalCalcFieldParentDefRequiredAttributesChildDefsDataTypePrecisionSizeNameGetNamePathCollectionIDIndexDisplayNameAddC
3、heckFieldNameCheckFieldNamesClearFindFieldFieldByNameFieldByNumberGetEnumeratorGetFieldNamesIndexOfRemoveCountDataSetFieldsAddFieldDefFindUpdateAddGetItemNamesIndexOfOwnerAssignBeginUpdateClearDeleteEndUpdateFindItemIDGetEnumeratorGetNamePathInsertHiddenFieldsItemsParentDefDataSetUpdatedCapa
4、cityCountItemClassFieldByNameFindFields(FieldDefs)UpdateDataSetAddAddObjectClearDeleteExchangeIndexOfInsertInsertObjectSortCustomSortAppendAddStringsAssignBeginUpdateEndUpdateEqualsGetEnumeratorGetTextIndexOfNameIndexOfObjectLoadFromFileLoadFromStreamMoveSaveToFileSaveToStreamSetTextAsAnsiSt
5、ringAsBytesAsVariantAttributeSetCalculatedCanModifyCurValueDataSetDataSizeDataTypeDisplayNameDisplayTextEditMaskEditMaskPtrFieldNoFullNameIsIndexFieldIsNullLookupLookupListNewValueOffsetOldValueParentFieldSizeTextValidCharsValueAlignmentAutoGenerateValueCustomConstraintConstraintErrorMessage
6、DefaultExpressionDisplayLabelDisplayWidthFieldKindFieldNameHasConstraintsIndexImportedConstraintDuplicatesSortedCaseSensitiveCapacityCommaTextCountDelimiterDelimitedTextLineBreakNamesObjectsQuoteCharValuesValueFromIndexNameValueSeparatorStrictDelimiterStringsTextStringsAdapterOnChangeOnChang
7、ingOwnsObjectsLookupDataSetLookupKeyFieldsLookupResultFieldKeyFieldsLookupCacheOriginProviderFlagsReadOnlyRequiredVisibleOnChangeOnGetTextOnSetTextOnValidate发现这些东西早在Delphi3的时候就比较成熟了,至今也基本没有变化;我暂时对它们的理解是:1、Fields是Field的集合,它们主要用于运行时对字段元数据和字段值的访问.2、Fi
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