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类型值
AlignmentAlignment_None, Alignment_Left, Alignment_Right, Alignment_Justified, Alignment_Center.
BarcodeOrientationsBarcodeOrientation_Autodetect, BarcodeOrientation_LefttoRight, BarcodeOrientation_Downtotop, BarcodeOrientation_RighttoLeft, BarcodeOrientation_toptoDown.
BarcodeTypesBarcodeType_Autodetect, BarcodeType_Codabar, BarcodeType_Code39, BarcodeType_Code93, BarcodeType_CheckCode39, BarcodeType_Code39WithoutAsterisk, BarcodeType_Interleaved25, BarcodeType_CheckInterleaved25, BarcodeType_EAN13, BarcodeType_Code128, BarcodeType_EAN8, BarcodeType_PDF417, BarcodeType_IATA25, BarcodeType_UCC128, BarcodeType_UPCA, BarcodeType_UPCE, BarcodeType_CheckCodabar, BarcodeType_Industrial25, BarcodeType_Matrix25, BarcodeType_Postnet, BarcodeType_Patch, BarcodeType_Aztec, BarcodeType_DataMatrix, BarcodeType_QRCode.
CurrencyPositionTypesCurrencyPos_Left, CurrencyPos_Right.
DateFormatsDayMonthYear, DayYearMonth, MonthDayYear, MonthYearDay, YearDayMonth, YearMonthDay.
DayFormatVariantsNoLeadingZeroDay, WithLeadingZeroDay.
DirectionVertical, Horizontal.
ImageObjectType若干基础值的总和，这些基础值对应不同类型的对象：AnyText——文本，PunctuationMark——标点符号，PictureObject——图片，InvertedTextObject——反白文本，CheckmarkObject——勾选标记，SeparatorObject——分隔符，VertSeparatorObject——垂直分隔符，HorSeparatorObject——水平分隔符，BarcodeObject——条形码对象。
Logictrue, false.
MonthFormatVariantsDigitsNoLeadingZeroMonth, DigitsWithLeadingZeroMonth, WordMonth.
PageEdgePageTop, PageBottom, PageLeft, PageRight.
QualityBestQuality, WorstQuality.
RecognitionModeBalancedMode, FastMode, FullModelMode.
SearchAreaPageRestrictionWholePage（仅在 RestrictSearchArea 函数中使用）。
SearchAreaPageSetTypeAnyPage, OddPages, EvenPages, LastPage（仅在 RestrictSearchArea 函数中使用）。
StringRegionalDecimalPoint——操作系统用于分隔十进制数整数部分和小数部分的字符。
TextTypesTextType_Normal, TextType_TypeWriter, TextType_Matrix.
YearFormatVariantsTwoDigitYear, FourDigitYear.
TextRotationsHorizontalText, ClockwiseText, CounterClockwiseText.