Ms-xls excel binary file format xls structure specification
Most cell records begin with a 6-byte Cell structure. Go to the offset in the stream specified by the lbPlyPos FilePointer. Records may be read or skipped by reading these values, then either reading or skipping the number of bytes specified by cb, depending on the record type specified by rt. Enviar complementos y aplicaciones web a la Tienda Office.
Row records contain property information for row and cell locations. The OSP is limited to implementations to the extent that they conform to those specifications. Go to the offset in the stream specified by the lbPlyPos FilePointer. These give the row index and the columns of the first cells and last cells that contain data or unique formatting in the row. It is the part of a series of articles that introduce the binary file formats used by Microsoft Office products.
Open Specifications Developer Center. This is a complex structure, but only the first 6 bytes are needed for basic content retrieval. For each pointer in the array: This is not an accident. In a published analysis of the promise it states that .
The recommended way to perform most programming tasks in Microsoft Excel is to use the Excel Primary Interop Assemblies. String values are not stored in the cell record, but in a shared strings table, which the cell record references. The following records represent the different kinds of cells.
Open the Workbook stream and scan for the first instance of a BOF record. The rest is an array of XLUnicodeRichExtendedString structures that contain the strings themselves as arrays of characters. Although you could load every sheet substream indiscriminately, you gain more control and efficiency by using the BoundSheet8 records to locate just the sheets you want to read. The protections granted by the OSP are independent to the licence of implementations.