*********************************************************** >** ExtractBMP >** Extracts a BMP file stored in a General field to a file. >** Parameters: >** cGenField - Name of general field to export >** cFileName - Name of file to store BMP >** Note - While this works most of the time it is not 100%. >*********************************************************** >FUNCTION ExtractBMP >LPARAMETERS cGenField, cFileName >LOCAL cTempTable, cTempMemo, cFile, nAt > >cFileName = DEFAULTEXT(cFileName,"bmp") > >IF TYPE(cGenField) <> "G" > MESSAGEBOX(cGenField+" is not a general field") > RETURN .F. >ENDIF > >** Temporary work area >cTempTable = ADDBS(SYS(2023))+SYS(2015)+".tmp" >cTempMemo = FORCEEXT(cTempTable, "fpt") > >COPY TO (cTempTable) FIELDS (cGenField) NEXT 1 > >** Convert memo file to string >cFile = FILETOSTR(cTempMemo) >** Delete temp work area >DELETE FILE (cTempTable) >DELETE FILE (cTempMemo) > >** Locate BMP start byte >nAt = AT("BM",cFile) > >IF nAt > 0 > ** Truncate string > cFile = SUBSTR(cFile, nAt) > STRTOFILE(cFile, cFileName) >ElSE > MESSAGEBOX("Could not locate BMP file in field") > RETURN .F. >ENDIF > >RETURN .T.