ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

HDBSortType (Function)
Returns or modifies the sequence of text items in the xBase files.
HDBOpen (Function)
Opens the xBase data file and the "memo" file if it exists.
HDBIndex (Function)
Opens an xBase index file.
xBase files: Limits
HDBOpenNoLock (Function)
In single-user mode, opens an xBase data file without locking it.
MongoGridFSDeleteFile (Function)
Deletes a file identified by its name from a MongoDB file system.
MongoGridFSDeleteFileByID (Function)
Deletes a file identified by its identifier from a MongoDB file system.
<mongoGridFS variable>.DeleteFile (Function)
Deletes a file identified by its name from a MongoDB file system.
FTPDeleteFile (Function)
Deletes a file from an FTP server (File Transfer Protocol).
<mongoGridFS variable>.DeleteFileByID (Function)
Deletes a file identified by its identifier from a MongoDB file system.
Error 1054: 'Ancestor' cannot be used outside the code of a class
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......
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)....
The Looper control
A Looper control is used to repeat the controls found in a specific area......
HCreateSubscriberReplica (Function)
Creates the description file of a subscriber replica.
Locking data files: correspondence between WINDEV 5.5 and the later versions
FTPSend (Function)
Transfers a file or directory to an FTP server (File Transfer Protocol).
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).
<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.
CertificateCheckFileSignatureFile (Function)
Checks the correspondence between a signature and a file. The signature was kept as an external file.
TransactionFile (Property)
The TransactionFile property is used to determine if a data file is a transaction file.
How to sort the result of a query?
This help page explains how to create a sort query with the query editor....
13. Reports
WINDEV Mobile allows you to easily create and print all types of reports with the report editor....
Characteristics of a PCL print
The result of a PCL print mainly depends on the technical features of the printer used (management of images and lines, management of fonts, ......
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)....
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).