ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Link functions (prefix syntax)
Link functions are used to link the interface with the data files (and vice versa)....
HErrorModification (Function)
Used to: return the value of a record item if a modification conflict occurs. check if a modification conflict occurred....
HPriority (Function)
Finds out and modifies the priority of the calling application.
HPriorityClient (Function)
Modifies the priority of a client application.
HListParameter (Function)
Returns the list of parameters saved from the stored procedures on the server.
HTriggerRecordBefore (Function)
Retrieves the value of the current record before the trigger(s) are executed.
LinkedFile (Property)
The LinkedFile property is used to set the characteristics of a link.
SourceFile (Property)
The SourceFile property is used to set the characteristics of a link.
Caption (Property)
In a database, the Caption property is used to: Find out the caption associated with a file item. Find out the caption associated with a data file. Find out and modify the connection caption. In a report, the Caption property is used to: Find out the text displayed in a Static or Link control. Modify the text displayed in a Static or Link control. In a window or page, the Caption property is also used to: Find out and modify the caption of a control in a window or in a page. Find out and modify the caption of a menu option. Find out and modify the title of a window or page. Find out the content of a Breadcrumb control....
Select query description window: Actions applied
This help page presents the actions that can be performed from the description window of a query....
The TreeView control
The TreeView control is a tree structure used to simplify the display of information that can be represented hierarchically......
<Connection variable>.OpenConnection (Function)
Opens a connection to a specific database.
HCloseConnection (Function)
Closes a connection to a database.
<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.
<Source>.SetDuplicates (Function)
Enables or disables the management of duplicates on a unique key.
<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....
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)....
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.