ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

<Connection variable>.TransactionStart (Function)
Starts a transaction on the data files (HFSQL or accessed via Native Access) and creates the transaction file.
<Connection variable>.DeleteScheduledOptimization (Function)
Deletes a scheduled optimization task from HFSQL Client/Server data files....
<Connection variable>.DeleteParameter (Function)
Deletes a parameter previously saved by HSaveParameter.
<Connection variable>.DeleteScheduling (Function)
Deletes a scheduled task found on an HFSQL server: stored procedure, backup, optimization, refresh of materialized view....
<Connection variable>.DeleteDirectory (Function)
Deletes a directory from an HFSQL Client/Server database....
<Connection variable>.DeleteQuery (Function)
Deletes a query (used by stored procedures) from an HFSQL server.
<Connection variable>.DeleteBackup (Function)
Deletes a backup previously created with HBackup.
<Connection variable>.DeleteScheduledBackup (Function)
Deletes a scheduled backup from an HFSQL Client/Server server....
<Connection variable>.DeleteTask (Function)
Deletes a scheduled task from an HFSQL Client/Server server....
<Connection variable>.DeleteUser (Function)
Deletes a user associated with a connection to the HFSQL server.
<Connection variable>.Transaction (Function)
Starts a transaction on the data files (HFSQL or accessed via Native Access) and creates the transaction file.
<Connection variable>.TransactionCancel (Function)
If a transaction is in progress, cancels all the operations performed on the data files in transaction since the start of transaction.
<Connection variable>.DeleteLink (Function)
Deletes an integrity rule between two data files on the server.
<Connection variable>.TransactionEnd (Function)
Validates the current transaction: the modifications performed on the data file since the start of transaction (HTransactionStart) are validated. the transaction file is deleted (if the transaction is the last transaction in progress for a network application) the records locked in read-only by the transaction are unlocked....
<Connection variable>.TransactionIsolation (Function)
Configures the isolation mode of transactions for a connection to an HFSQL server.
<Connection variable>.TransactionList (Function)
Returns the list of current or interrupted transactions on the server for the specified connection.
<Connection variable>.CheckServerUpdate (Function)
Checks for the latest version of the HFSQL server that can be automatically updated.
<DiskFile variable>.FileName (Function)
Returns the name of an external file currently open.
<DiskFile variable>.Close (Function)
Closes an external file.
<DiskFile variable>.WriteLine (Function)
Writes a line into a text file (ANSI or UNICODE).
<DiskFile variable>.Write (Function)
Writes: a character string into an external file. a memory section....
<DiskFile variable>.Seek (Function)
Gets and sets current position in an external file.
<DiskFile variable>.ChangeSize (Function)
Resizes an external file.
<zipArchive variable>.ChangePath (Function)
Modifies the stored path of a file in an archive (in ZIP, WDZ or 7z format).
<zipArchive variable>.FindFile (Function)
Finds a file in an archive (in CAB, ZIP, RAR, WDZ or 7z format).