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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

<Source>.Filter (Function)
Defines and enables a filter on a data file, view or query.
<Source>.DeactivateFilter (Function)
Temporarily disables the filter on a data file (view or query).
FilterWithBounds (Property)
The FilterWithBounds property is used to determine if bounds have been specified for the filter implemented by HFilter on an HFSQL data file, view or query.
FilteredItem (Property)
The FilteredItem property is used to identify the item that has a filter implemented by HFilter.
HFilter (Function)
Defines and enables a filter on a data file, view or query.
HDeactivateFilter (Function)
Temporarily disables the filter on a data file (view or query).
FilterCondition (Property)
The FilterCondition property gets the selection condition set by HFilter on a data file, HFSQL view or query.
Filtering a data file, a view or a query
A filter is used to define programmatically a selection of records corresponding to one or more criteria...
WDLog: Restoring HFSQL data files
WDLog is used to restore the data files saved by WDLog......
HError (Function)
Returns the number of the last error triggered by the HFSQL engine.
HFSQL thumbnails
To optimize the display of images in your application or in your site, you have the ability to use HFSQL thumbnails......
nWDGetHFContext: Get the HFSQL context
Gets the HFSQL context (applies to C, Pascal and Visual Basic only)......
ViewName (Property)
The ViewName property is used to: find out the name of the HFSQL view, data source of a report modify the name of the HFSQL view, data source of a report....
HErrorInfo (Function)
Returns a detailed information about the last error triggered by the HFSQL engine.
HStopServer (Function)
Stops an HFSQL server.
<Connection variable>.StopServer (Function)
Stops an HFSQL server.
ODBC on HFSQL via Visual .NET (in C#)
The ODBC driver on HFSQL Classic (single-user and multi-user) is used to access a HFSQL Classic database from an external database software that supports ODBC accesses......
Thumbnail (Property)
The Thumbnail property can be used on: the items of an HFSQL data file. For more details, see Thumbnail property on items. the Thumbnail controls (WEBDEV only). For more details, see Thumbnail property on Thumbnail controls....
<Source>.CancelDeclaration (Function)
Allows you to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the data file is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....
Charset (Property)
The Charset property is used to: Get the character set used by a Font variable. Change the character set used by a Font variable. Get the character set used by an HFSQL data file....
HCancelDeclaration (Function)
Used to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the data file is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....
Parameters of the procedure used by HReindexAsynchronous
WLanguage procedure ("callback") called by HReindexAsynchronous for each HFSQL Client/Server data file reindexed. This new function is available from WINDEV Suite SaaS 2025 - Update 2....
<mongoCollection variable>.DeleteAll (Function)
Deletes all the documents (corresponding to the specified filter) from a collection of a MongoDB database.
WLanguage procedure called by KanbanFilter
WLanguage procedure ("callback") called by KanbanFilter to set an advanced filter.
HRestoreBackup (Function)
Used to restore: an immediate backup (performed by HBackup or via the HFSQL Control Center), a scheduled backup (described by HAddScheduledBackup or via the HFSQL Control Center....
<Connection variable>.RestoreBackup (Function)
Used to restore: an immediate backup (performed by HBackup or via the HFSQL Control Center), a scheduled backup (described by HAddScheduledBackup or via the HFSQL Control Center....
MongoDeleteAll (Function)
Deletes all the documents (corresponding to the specified filter) from a collection of a MongoDB database.
1. HFSQL Client/Server: Implementation
WINDEV Tutorial: Using an HFSQL Client/Server database Lesson 1 - HFSQL Client/Server: Implementation - 10 min...
<Connection variable>.SetServer (Function)
Used to find out and modify some settings of HFSQL Client/Server server....
HSetServer (Function)
Used to find out and modify some settings of HFSQL Client/Server server....
Comparing the project messages
The comparison between source and target text helps you find translation errors......
HClusterAddNode (Function)
Enables a node in an HFSQL cluster.
HClusterDeleteNode (Function)
Disables a node in a HFSQL cluster.