ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

HDBOpen (Function)
Opens the xBase data file and the "memo" file if it exists.
<mongoGridFS variable>.DeleteFileByID (Function)
Deletes a file identified by its identifier from a MongoDB file system.
BitmapInfo (Function)
Retrieves the characteristics of an image file or the characteristics of a PDF file : format, width and height, number of bits per pixel....
FTPDeleteFile (Function)
Deletes a file from an FTP server (File Transfer Protocol).
Replication options (ReplicEdit)
Creating a replication with ReplicEdit allows you to specify several parameters......
PersistedCalculatedItem (Property)
The PersistedCalculatedItem property is used to: Find out whether the value of a calculated item is stored in the data file. This item was defined in the data model editor or through programming. Define whether the value of a calculated item is stored in the data file (when describing the item through programming)....
How to create a query with external join?
In SQL language, an external join is used to exclude or include file records with or without correspondences in the linked files......
WDLog: Restoring HFSQL data files
WDLog is used to restore the data files saved by WDLog......
FilePath (Property)
The FilePath property gets: the name of the xlsx file associated with a Spreadsheet control. the name of the file associated with an Image Editor control. the name of the PDF file associated with a PDF Reader control. the name of the DOCX file associated with a Word Processing control. the name of the wddiag file associated with a Diagram Editor control....
Extension (Property)
The Extension property is used to: get the extension of a file defined in the data model editor or through programming. define the extension of a file (when the file is described through programming only)....
MongoGridFSSendFile (Function)
Copies a file from the local computer to a MongoDB file system (gridFS).
CertificateCheckFileSignatureFile (Function)
Checks the correspondence between a signature and a file. The signature was kept as an external file.
<mongoGridFS variable>.SendFile (Function)
Copies a file from the local computer to a MongoDB file system (gridFS).
LogFile (Property)
The LogFile property is used to determine if a data file is a log file.
TransactionFile (Property)
The TransactionFile property is used to determine if a data file is a transaction file.
FTPSend (Function)
Transfers a file or directory to an FTP server (File Transfer Protocol).
Locking data files: correspondence between WINDEV 5.5 and the later versions
ERR_BAD_FILE
AAF: File Path edit controls
The edit controls that use the "File name and full path" input mask propose several AAFs (Automatic Application Features): a specific popup menu used to handle the file. a file preview in thumbnail format (for an Image or PDF file path)....
<Source>.ImportJSON (Function)
Imports a JSON file into a data file in HFSQL Classic format (data file described in the data model editor or declared by HDeclare, HDeclareExternal or HDescribeFile).
fSizeUncompressed (Function)
Returns the size of a file before compression. When a file is decompressed by fUncompress, we recommend that you to compare the non-compressed size of file with the available disk space.
HImportJSON (Function)
Imports a JSON file into a data file in HFSQL Classic format (data file described in the data model editor or declared by HDeclare, HDeclareExternal or HDescribeFile).
Creating an executable: Information and version number
The version information of an executable corresponds to the information visible in the Windows file explorer....
<Source>.ImportXML (Function)
Imports an XML file into an HFSQL Classic or Client/Server data file (data file described in the data model editor or declared by HDeclare, HDeclareExternal or HDescribeFile)....
The log process
...A log is a special file that contains the history of all changes made to one or more data files over a given period of time (date the file was created, last automatic data modification, last backup created with WDLog, etc.)...