ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

<Source>.SetDuplicates (Function)
Enables or disables the management of duplicates on a unique key.
<Source>.Alias (Function)
Creates a logical alias of a data file (or query) or cancels all existing aliases.
<Source>.UnlockFile (Function)
Unlocks the records of a data file: locked by HLockFile. individually locked by a locking read function....
<Source>.UnlockRecNum (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)....
<Source>.DescribeFile (Function)
Describes a data file programmatically.
<Source>.Close (Function)
Closes a data file or all the data files opened by the current user: all the corresponding physical data files are closed for the current user.
Link functions (prefix syntax)
Link functions are used to link the interface with the data files (and vice versa)....
<Source>.Open (Function)
Opens a data file.
HSetREP (Function)
Enables or disables the management of .REP file.
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....
HClose (Function)
Closes a data file or all the data files opened by the current user: all the corresponding physical data files are closed for the current user.
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)....
HBackward (Function)
Moves backward several records from the current position in the data file, according to a specified item.
HReadSeekLast (Function)
Sets the position on the last record whose value for a specific item is less than or equal to a sought value (exact-match search).
HOpenConnection (Function)
Opens a connection to a specific database.
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>.ListStopWord (Function)
Returns the list of stop words used by a full-text index.
<Source>.ListSynonym (Function)
Returns the list of synonyms used by a full-text index.
<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.
Millisecond (Property)
The Millisecond property is used to: Retrieve the number of milliseconds from a Time, DateTime or Duration variable. Modify the number of milliseconds in a Time, DateTime or Duration variable. Retrieve the milliseconds or the number of milliseconds from a Date item (in "Date and Time" or "Duration" format) Modify the milliseconds or number of milliseconds in a Date item ("Date and Time" or "Duration" format)...
Second (Property)
The Second property is used to: Retrieve the number of seconds from a Time, DateTime or Duration variable. Modify the number of seconds in a Time, DateTime or Duration variable. Retrieve the seconds or the number of seconds from a Date item (in "Date and Time" or "Duration" format) Modify the seconds or the number of seconds in a Date item (in "Date and Time" or "Duration" format)...