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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

HDescribeLink (Function)
Describes a link between two data files through programming.
HLast (Function)
Sets the position on the last record of a data file according to a browse item.
HSeekLast (Function)
Sets the position on the last file record whose value for a specific item is less than or equal to a sought value.
HSetDuplicates (Function)
Enables or disables the management of duplicates on a unique key.
HUnlockFile (Function)
Unlocks the records of a data file: locked by HLockFile. individually locked by a locking read function....
HUnlockRecNum (Function)
Unlocks a record locked by: HLockRecNum, a read function used with a locking parameter (HRead associated with the hLockWrite or hLockReadWrite constant for example)....
Link functions
Link functions are used to link the interface with the data files (and vice versa). These functions are as follows:...
<Source>.FileExist (Function)
Determines: whether a file exists, which means whether it was physically created (HCreation or HCreationIfNotFound). whether a view or a query was defined....
<Source>.ReadSeek (Function)
Sets the position on the first record whose value for a specific item is greater than or equal to a sought value (generic search).
<Connection variable>.ExecuteScheduling (Function)
Immediately runs a scheduled task regardless of its schedule: stored procedure, backup, optimization, refresh of materialized view....
HErrorIntegrity (Function)
Used to check whether an integrity error occurred.
Date (Property)
The Date property is used to: Retrieve the date from a DateTime variable. Modify the date in a DateTime variable. Retrieve the date from a Date item (in "Date and Time" format) . Modify the date in a Date item (in "Date and Time" format)...
HDescribeFile (Function)
Describes a data file programmatically.
HFileExist (Function)
Determines: whether a file exists, which means whether it was physically created (HCreation or HCreationIfNotFound). whether a view or a query was defined....
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries......
HDescribeItem (Function)
Describes a file item through programming.
Native PostgreSQL Connector: Specific features and remarks
Remarks and specific features of Native PostgreSQL Connector......
HExecuteScheduling (Function)
Immediately runs a scheduled task regardless of its schedule: stored procedure, backup, optimization, refresh of materialized view....
WDMap: Characteristics of the files found in a database
WDMap is used to get various characteristics specific to......
HDeactivateFilter (Function)
Temporarily disables the filter on a data file (view or query).
HCreation (Function)
Creates an empty data file (".FIC" extension) with the index file and the memo file if necessary.
<Source>.LockFile (Function)
Locks a data file and restricts the access to this data file for all other sites or applications.
<Source>.DeleteTrigger (Function)
Deletes a trigger.
<Source>.LogInfo (Function)
Adds comments to the log when saving the operation.
<Source>.LogRecreate (Function)
Used to re-create an empty log.