ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

FAQ about Windows Vista and later
This help page presents a list of problems that may occur when using Windows Vista and later...
Programming standard in Windows Vista and later
To increase security against worms and viruses, Windows Vista/7 implemented the UAC (User Account Control) mechanism.
Points to consider if your customers use Windows Vista (and later)
Windows Vista (and later) proposes several improvements...
The UAC mechanism in Windows Vista (and later)
To increase security against worms and viruses, Windows Vista/7 implemented the UAC (User Account Control) mechanism...
HTransactionFree (Function)
Transforms all the records "in transaction" into "Normal" records if these records do not belong to a transaction currently in progress.
HLockFile (Function)
Locks a data file and restricts the access to this data file for all other sites or applications.
HErrorLock (Function)
Used to check whether a lock error occurred.
HModifyServerRights (Function)
Modifies the rights granted to a user or to a group on an HFSQL server.
DeleteColumn (Function)
Deletes a column at a given position from the advanced array property (array of gglCalendar events, etc.).
NbReceived (Property)
Returns the number of parameters actually received by a procedure.
HCancelBackup (Function)
Cancels a current backup.
ServiceContinue (Function)
Restarts a paused service.
iInitSubReport (Function)
Initializes the parameters of a subreport of a composite report.
SaaSWriteSiteParameter (Function)
Saves a specific information for a SaaS site in the configuration of a client account.
fAddText (Function)
Adds the content of a character string at the end of a file.
fAddBuffer (Function)
Adds the content of a buffer at the end of a file.
HInfoViewRights (Function)
Allows you to find out the rights granted to a user or to a group on an SQL view or on a materialized view.
grHMAddData (Function)
Adds a data into a Heatmap chart.
FBStopSession (Function)
Stops the Facebook session that was started by FBStartSession.
OCRExtractTextBlock (Function)
Returns all the text blocks of an image.
dTransferToImage (Function)
Creates an image from a buffer of pixels encoded in a specific format. This function is an advanced function. This function is mainly used to handle the images returned by external APIs via Image variables....
HReconnect (Function)
Performs a reconnection to the server for all the interrupted connections. The uninterrupted connections are not modified.
HDeleteScheduledBackup (Function)
Deletes a scheduled backup from an HFSQL Client/Server server....
HModifyScheduledBackup (Function)
Modifies a backup scheduling.
User Groupware (WINDEV and WEBDEV): Options and settings
An application is often intended to be used by several users connected via a network......
fMerge (Function)
Merges several files into a single one.
HInfoAnalysis (Function)
Returns information about an analysis (WDD file).
NumToFinancialWritingChinese (Function)
Converts a numeric value (integer, real or currency) to a string in the Chinese financial writing format.
grHMDeleteColor (Function)
Deletes the colors specified by grHMColor from a Heatmap chart.