LibXL C++ API reference version 5.2.0
- Index Book Sheet Format Font AutoFilter FilterColumn RichString FormControl ConditionalFormatting ConditionalFormat CoreProperties Table ### Book class reference bool load(const wchar_t* filename, const wchar_t* tempFile = 0) Loads an entire file into memory. Specify a temporary file for reducing memory consumption. Returns false if error occurs. Get an error info with the Book::errorMessage(). bool loadSheet(const wchar_t* filename, int sheetIndex, const wchar_t* tempFile = 0, bool keepAllSheets = false) Loads a file only with specified sheet index into memory. Specify a temporary file for reducing memory consumption. If keepAllSheets is true, all not specified sheets will be saved back, but it decreases a memory consumption, otherwise only the specified sheet will be saved (other sheets will be removed). Returns false if error occurs. Get an error info with the Book::errorMessage(). bool loadPartially(const wchar_t* filename, int sheetIndex, int firstRow, int lastRow, const wchar_t* tempFile = 0, bool keepAllSheets = false) Loads a file only with the specified sheet index and row range into memory. Specify a temporary file for reducing memory consumption. If keepAllSheets is true, all not specified sheets will be saved back, but it decreases a memory consumption, otherwise only the specified sheet will be saved (other sheets will be removed). Returns false if error occurs. Get an error info with the Book::errorMessage(). bool save(const wchar_t* filename, bool useTempFile = false) Saves current workbook into the file. Use a temporary file for reducing memory consumption. Returns false if error occurs. Get an error info with the Book::errorMessage(). bool loadWithoutEmptyCells(const wchar_t* filename) Loads a file without empty cells with formatting information for reducing memory consumption. bool loadInfo(const wchar_t* filename) Loads only information about sheets. Afterwards you can call Book::sheetCount() and Book::getSheetName() methods. Returns false if error occurs. Get an error info with the Book::errorMessage(). bool loadRaw(const char* data, unsigned size, int sheetIndex = -1, int firstRow = -1, int lastRow = -1, bool keepAllSheets = false) Loads a file from user's memory buffer. Parameters: data - pointer to buffer; size - size of data in buffer; sheetIndex - loads a file only with specified sheet index, -1 loads all sheets; firstRow - the first row of loaded range, -1 loads all rows until lastRow; lastRow - the last row of loaded range, -1 loads all rows after firstRow; keepAllSheets - if true, all not specified sheets will be saved back but it decreases a memory consumption, if false, only the specified sheet will be saved (other sheets will be removed). Returns false if error occurs. Get an error info with the Book::errorMessage(). bool loadInfoRaw(const char* data, unsigned size) Loads only information about sheets from user's memory buffer. Afterwards you can call Book::sheetCount() and Book::getSheetName() methods. Parameters: data - pointer to buffer; size - size of data in buffer. Returns false if error occurs. Get an error info with the Book::errorMessage(). bool saveRaw(const char** data, unsigned* size) Saves a file to internal memory buffer. Parameters: data - pointer to buffer; size - pointer to saved size. Returns false if error occurs. Get an error info with the Book::errorMessage(). void setPassword(const wchar_t* password) Sets a password for an encrypted workbook. The password must be set before loading a workbook. LibXL supports only xlsx files with ECMA-376 standard and agile encryptions with SHA-1 and SHA-512 hashing algorithms. Sheet* addSheet(const wchar_t* name, Sheet* initSheet = 0) Adds a new sheet to this book, returns the sheet pointer. Use initSheet parameter if you wish to copy an existing sheet. Note initSheet must be only from this book. You can't use the following characters in sheet names: - colon (:) - backslash (\) - asterisk (*) - question mark (?) - forward slash (/) - opening square bracket ([) - closing square bracket (]) The sheet name must not begin or end with the single quote (') character. Returns NULL if error occurs. Get an error info with the Book::errorMessage(). Sheet* insertSheet(int index, const wchar_t* name, Sheet* initSheet = 0) Inserts a new sheet to this book at position index, returns the sheet pointer. Use initSheet parameter if you wish to copy an existing sheet. Note initSheet must be only from this book. Returns NULL if error occurs. Get an error info with the Book::errorMessage(). Sheet* getSheet(int index) const Gets a pointer to the sheet with the specified index. Use the index 0 if used the Book::loadSheet() or Book::loadPartially() methods. Should be less than a return value of the Book::sheetCount() method. Returns NULL if error occurs. Get an error info with the Book::errorMessage(). const wchar_t* getSheetName(int index) const Returns a sheet name with the specified index. Returns NULL if error occurs. Get an error info with the Book::errorMessage(). SheetType sheetType(int index) const Returns a type of sheet with the specified index.
  SheetType value | Description
  SHEETTYPE_SHEET | standard sheet
  SHEETTYPE_CHART | chart sheet
  SHEETTYPE_UNKNOWN | unknown sheet
- bool moveSheet(int srcIndex, int dstIndex) Takes a sheet with srcIndex and insert it in front of a sheet with dstIndex. Returns false if error occurs. Get an error info with the Book::errorMessage(). bool delSheet(int index) Deletes a sheet with the specified index. Returns false if error occurs. Get an error info with the Book::errorMessage(). int sheetCount() const Returns a number of sheets in this book. Format* addFormat(Format* initFormat = 0) Adds a new format to the workbook, initial parameters can be copied from other format. Returns NULL if error occurs. Please note that after loading a file it will be removed. Format* addFormatFromStyle(CellStyle style) Adds a new format to the workbook from the predefined style. Returns NULL if error occurs. Please note that after loading a file it will be removed.
  CellStyle value | View
  CELLSTYLE_NORMAL |
  CELLSTYLE_BAD |
  CELLSTYLE_GOOD |
  CELLSTYLE_NEUTRAL |
  CELLSTYLE_CALC |
  CELLSTYLE_CHECKCELL |
  CELLSTYLE_EXPLANATORY |
  CELLSTYLE_INPUT |
  CELLSTYLE_OUTPUT |
  CELLSTYLE_HYPERLINK |
  CELLSTYLE_LINKEDCELL |
  CELLSTYLE_NOTE |
  CELLSTYLE_WARNING |
  CELLSTYLE_TITLE |
  CELLSTYLE_HEADING1 |
  CELLSTYLE_HEADING2 |
  CELLSTYLE_HEADING3 |
  CELLSTYLE_HEADING4 |
  CELLSTYLE_TOTAL |
  CELLSTYLE_20ACCENT1 |
  CELLSTYLE_40ACCENT1 |
  CELLSTYLE_60ACCENT1 |
  CELLSTYLE_ACCENT1 |
  CELLSTYLE_20ACCENT2 |
  CELLSTYLE_40ACCENT2 |
  CELLSTYLE_60ACCENT2 |
  CELLSTYLE_ACCENT2 |
  CELLSTYLE_20ACCENT3 |
  CELLSTYLE_40ACCENT3 |
  CELLSTYLE_60ACCENT3 |
  CELLSTYLE_ACCENT3 |
  CELLSTYLE_20ACCENT4 |
  CELLSTYLE_40ACCENT4 |
  CELLSTYLE_60ACCENT4 |
  CELLSTYLE_ACCENT4 |
  CELLSTYLE_20ACCENT5 |
  CELLSTYLE_40ACCENT5 |
  CELLSTYLE_60ACCENT5 |
  CELLSTYLE_ACCENT5 |
  CELLSTYLE_20ACCENT6 |
  CELLSTYLE_40ACCENT6 |
  CELLSTYLE_60ACCENT6 |
  CELLSTYLE_ACCENT6 |
  CELLSTYLE_COMMA | Comma
  CELLSTYLE_COMMA0 | Comma [0]
  CELLSTYLE_CURRENCY | Currency
  CELLSTYLE_CURRENCY0 | Currency [0]
  CELLSTYLE_PERCENT | Percent
- Font* addFont(Font* initFont = 0) Adds a new font to the workbook, initial parameters can be copied from other font. Returns NULL if error occurs. RichString* addRichString() Adds a new rich string to the workbook for using different fonts in a single cell with the Sheet::writeRichStr() method. Don't release a return pointer manually. int addCustomNumFormat(const wchar_t* customNumFormat) Adds a new custom number format to the workbook. The format string customNumFormat indicates how to format and render the numeric value of a cell. See custom format strings guidelines. Returns the custom format identifier. It's used in Format::setNumFormat(). Returns 0 if error occurs. Get an error info with the Book::errorMessage(). const wchar_t* customNumFormat(int fmt) const Returns a custom format string for specified custom format identifier fmt. See custom format string guidelines. Returns NULL if error occurs. Get an error info with the Book::errorMessage(). Format* format(int index) Returns a format with defined index. Index must be less than return value of formatSize() method. int formatSize() Returns a number of formats in this book. Font* font(int index) Returns a font with defined index. Index must be less than return value of fontSize() method. int fontSize() Returns a number of fonts in this book. ConditionalFormat* addConditionalFormat() Adds a new conditional format to the workbook for using with conditional formatting rules (only for xlsx files). ConditionalFormat* conditionalFormat(int index) Returns a conditional format with defined index. Index must be less than return value of conditionalFormatSize() method. int conditionalFormatSize() Returns a number of conditional formats in this book. double datePack(int year, int month, int day, int hour = 0, int min = 0, int sec = 0, int msec = 0) Packs date and time information into double type. bool dateUnpack(double value, int* year, int* month, int* day, int* hour = 0, int* min = 0, int* sec = 0, int* msec = 0) Unpacks date and time information from double type. Returns false if error occurs. Color colorPack(int red, int green, int blue) Packs red, green and blue components in color type. void colorUnpack(Color color, int* red, int* green, int* blue) Unpacks color type to red, green and blue components. int activeSheet() const Returns an active sheet index in this workbook. void setActiveSheet(int index) Sets an active sheet index in this workbook. int pictureSize() const Returns a number of pictures in this workbook. PictureType getPicture(int index, const char** data, unsigned* size) const Returns a picture at position index in memory buffer. Parameters: index - position in the workbook; data - reference to buffer; size - reference to saved size. Returns type of picture:
  PictureType value | Description
  PICTURETYPE_PNG | PNG format
  PICTURETYPE_JPEG | JPEG format
  PICTURETYPE_GIF | GIF format
  PICTURETYPE_WMF | WMF format
  PICTURETYPE_DIB | DIB format
  PICTURETYPE_EMF | EMF format
  PICTURETYPE_TIFF | TIFF format
  PICTURETYPE_ERROR | Get an error info with the Book::errorMessage()
- int addPicture(const wchar_t* filename) Adds a picture to the workbook. Returns a picture identifier. Supports BMP, DIB, PNG, JPG and WMF picture formats. Use picture identifier with Sheet::setPicture(). Returns -1 if error occurs. Get an error info with the Book::errorMessage(). int addPicture2(const char* data, unsigned size) Adds a picture to the workbook from memory buffer: data - pointer to buffer with picture data (BMP, DIB, PNG, JPG or WMF formats); size - size of data in buffer. Returns a picture identifier. Use picture identifier with Sheet::setPicture(). Returns -1 if error occurs. Get an error info with the Book::errorMessage(). int addPictureAsLink(const wchar_t* filename, bool insert = false) Adds a picture to the workbook as link (only for xlsx files): insert = false - stores only a link to file; insert = true - stores a picture and a link to file. Returns a picture identifier. Supports BMP, DIB, PNG, JPG and WMF picture formats. Use picture identifier with Sheet::setPicture(). Returns -1 if error occurs. Get an error info with the Book::errorMessage(). const wchar_t* defaultFont(int* fontSize) Returns a default font name and size for this workbook. Returns 0 if error occurs. Get an error info with the Book::errorMessage(). void setDefaultFont(const wchar_t* fontName, int fontSize) Sets a default font name and size for this workbook. bool refR1C1() const Returns whether the R1C1 reference mode is active. void setRefR1C1(bool refR1C1 = true) Sets the R1C1 reference mode. bool rgbMode() Returns whether the RGB mode is active. void setRgbMode(bool rgbMode = true) Sets a RGB mode: true - RGB mode, false - Index mode (default). In RGB mode use colorPack() and colorUnpack() methods for getting/setting colors. CalcModeType calcMode() const Returns the calculation mode of workbook. void setCalcMode(CalcModeType calcMode) Sets the calculation mode of workbook:
  CalcModeType value | Description
  CALCMODE_MANUAL | manual calculation
  CALCMODE_AUTO | automatic calculation
  CALCMODE_AUTONOTABLE | automatic except for data tables
- int version() const Returns the version of the used LibXL library in hexadecimal numeral system. int biffVersion() const Returns BIFF version of binary file. Used for xls format only. bool isDate1904() const Returns whether the 1904 date system is active. void setDate1904(bool date1904 = true) Sets the date system mode: true - 1904 date system, false - 1900 date system (default). In the 1900 date base system, the lower limit is January 1, 1900, which has serial value 1. In the 1904 date base system, the lower limit is January 1, 1904, which has serial value 0. bool isTemplate() const Returns whether the workbook is template. void setTemplate(bool tmpl = true) Sets the template flag: true - workbook is template, false - workbook is not template (default). It allows to change type of file from a template file (xlt and xltx) to a regular file (xls and xlsx) and vice versa. bool isWriteProtected() const Returns whether the workbook is marked as read-only. CoreProperties* coreProperties() Returns workbook properties. bool removeVBA() Removes all VBA scripts (macros) from the workbook. It should be called after loading xlsm or xlsb files. Returns true if VBA scripts were found and removed. bool removePrinterSettings() Removes all printer settings from the workbook. It should be called after loading an Excel file. Returns true if printer settings were found and removed. void removeAllPhonetics() Removes all phonetics data (furigana) from a workbook. void clear() Removes all data from a workbook. void setKey(const wchar_t* name, const wchar_t* key) Sets customer's license key. bool setLocale(const char* locale) Sets the locale for this library. The locale argument is the same as the locale argument in setlocale() function from C Run-Time Library. For example, value "en_US.UTF-8" allows to use non-ascii characters in Linux or Mac. It accepts the special value "UTF-8" for using UTF-8 character encoding in Windows and other operating systems. It has no effect for unicode projects with wide strings (with _UNICODE preprocessor variable). Returns true if a valid locale argument is given. const char* errorMessage() const Returns the last error message. ErrorCode errorCode() const Returns the last error code.
  ErrorCode value | Description
  ERRCODE_OK | Everything was fine.
  ERRCODE_INCORRECTPASSWORD | Incorrect password for encrypted workbook.
  ERRCODE_ROWOUTOFRANGE | Row is out of range.
  ERRCODE_COLOUTOFRANGE | Column is out of range.
  ERRCODE_INDEXOUTOFRANGE | Index is out of range.
  ERRCODE_INDEXNOSENSE | Indexes are meaningless for this function.
  ERRCODE_LASTSHEET | Workbook must contain at least one visible worksheet.
  ERRCODE_SHEETNOTFOUND | Sheet is not found.
  ERRCODE_NAMECUTOFF | Name was truncated.
  ERRCODE_FORMULASYNTAXERROR | Error in formula expression.
  ERRCODE_SHEETNAMEINVALID | Sheet name has an invalid character.
  ERRCODE_FILENAMEINVALID | File name can't be NULL.
  ERRCODE_NAMEALREADYEXIST | Workbook already contains such a sheet name.
  ERRCODE_FILENOTAVAILABLE | Can't open file or path is incorrect.
  ERRCODE_FILEFORMATNOTSUPPORTED | File isn't an Excel file or it is not supported.
  ERRCODE_FUNCNOTSUPPORTEDFORXLS | This function is not supported for xls files.
  ERRCODE_FUNCNOTSUPPORTEDFORXLSX | This function is not supported for xlsx files.
  ERRCODE_LOADEDONLYINFO | Only workbook information was loaded.
  ERRCODE_FONTSIZEOUTOFRANGE | Font size is out of range.
  ERRCODE_NOFONTS | Workbook doesn't have fonts.
  ERRCODE_STRINGTOOLONG | String is too long.
  ERRCODE_STRINGNULL | String is NULL.
  ERRCODE_AUTOFILTERNULL | AutoFilter can't be NULL.
  ERRCODE_OUTLINELEVELEXCEEDED | Exceeded outline level for groups.
  ERRCODE_LOCALEERROR | Can't apply the specified locale.
  ERRCODE_XMLERROR | Workbook is corrupted, error in XML.
  ERRCODE_BIFFRECERROR | Workbook is corrupted, error in BIFF record.
  ERRCODE_IOERROR | Can't read or write.
  ERRCODE_CONSISTENCYERROR | Data inconsistency was found.
  ERRCODE_OUTOFMEMORY | Not enough memory.
  ERRCODE_UNKNOWNSTYLE | Unknown cell style.
  ERRCODE_FORMATNULL | Format is NULL.
  ERRCODE_FORMATNOTFOUND | Format is not found.
  ERRCODE_PARENTFORMATNOTFOUND | Parent format is not found.
  ERRCODE_FONTNOTFOUND | Font is not found.
  ERRCODE_TABLENOTFOUND | Table is not found.
  ERRCODE_RICHSTRINGNOTFOUND | Rich string is not found.
  ERRCODE_PROPNOTFOUND | Property is not found.
  ERRCODE_UNKNOWNCHAR | Found an unknown character that can't be processed.
  ERRCODE_CHARNOTALLOWED | Some particular symbols are not allowed here.
  ERRCODE_CELLNOTFOUND | Cell is not found.
  ERRCODE_CELLNOTMERGED | Cell is not in merged cells.
  ERRCODE_CELLTYPEINCORRECT | Cell doesn't contain the requested type.
  ERRCODE_HEIGHTTOOHIGH | Height is too big.
  ERRCODE_PICERROR | Picture is corrupted or it has unknown format.
  ERRCODE_PICPOSERROR | Incorrect picture position.
  ERRCODE_PICNOTFOUND | Picture is not found.
  ERRCODE_PICSIZEINCORRECT | Incorrect picture size.
  ERRCODE_PICOFFSETEXCEED_XY | Picture offset_x and offset_y exceed cell's size.
  ERRCODE_PICOFFSETEXCEED_Y | Picture offset_y exceeds cell's height.
  ERRCODE_PICOFFSETEXCEED_X | Picture offset_x exceeds cell's width.
  ERRCODE_NOFREECOLORINDEX | There is no free color index for xls format.
  ERRCODE_COLORINVALID | Color is invalid.
  ERRCODE_PRINTTITLESNOTFOUND | Print titles are not found.
  ERRCODE_NAMEDRANGENOTFOUND | Named range is not found.
  ERRCODE_NAMEDRANGESKIPPED | Some parts of named range were skipped.
  ERRCODE_PAGEBREAKALREADYEXIST | Page break already exists.
  ERRCODE_PAGEBREAKNOTFOUND | Page break is not found.
  ERRCODE_PAGEBREAKLIMIT | Number of page breaks exceeds the limit.
  ERRCODE_IGNOREDERRALREADYEXIST | Ignored error already exists.
  ERRCODE_OVERLAP | Range overlap was detected.
  ERRCODE_SHEETNOTSPLITTED | Worksheet is not splitted.
  ERRCODE_DIRENTRYINCORRECTNAME | Found an incorrect name in the directory entry inside xls file.
  ERRCODE_REFINVALID | Reference has unrecognized format.
  ERRCODE_REFNOTFOUND | Reference is not found.
  ERRCODE_DATEINVALID | Date is not recognized.
  ERRCODE_XLSERROR | XLS file is corrupted.
  ERRCODE_CONVERROR | String conversion error, probably incorrect locale.
  ERRCODE_TOOMANYFORMATS | Too many cell formats.
  ERRCODE_TOOMANYFONTS | Too many fonts.
  ERRCODE_NOSTYLES | Styles are not found.
  ERRCODE_NOID | ID is not found.
  ERRCODE_FILTERCOLUMNNULL | Filter column is NULL.
  ERRCODE_FILTERVALUENOTFOUND | Filter value is not found.
  ERRCODE_FILTERNOTFOUND | Filter is not found.
  ERRCODE_DATAVALIDNOTFOUND | Data validations are not found.
  ERRCODE_ACTIVECELLNOTFOUND | Active cell is not found.
  ERRCODE_HYPERLINKNOTFOUND | Cell doesn't have a hyperlink.
  ERRCODE_SORTNOTFOUND | Sorting in AutoFilter is not found.
  ERRCODE_CONTROLNOTFOUND | Control is not found.
  ERRCODE_AUTOFITERROR | Can't calculate the cell's width.
  ERRCODE_VALUEOUTOFRANGE | Value is out of range.
  ERRCODE_ZIPERROR | ZIP library error.
  ERRCODE_EXCEPTION | STL exception error.
  ERRCODE_TRIALLIMIT | Limitations of the trial version.
void release() Deletes this object and free resources. Index Book Sheet Format Font AutoFilter FilterColumn RichString FormControl ConditionalFormatting ConditionalFormat CoreProperties Table