ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Managing dates and times
WINDEV, WEBDEV and WINDEV Mobile propose several methods for managing dates and times in your applications...
Constants for the Exif functions
List of constants used by the Exif functions....
Pivot Table control in a report
The report editor allows you to create "Crosstab" reports......
List Box control linked to a data file or to a query
A List Box or Combo Box control can be used to display the content of a data file or query, to allow a user to select a record, for example......
Running the test of a report
The test of a single report allows you to run the current report in WINDEV, WEBDEV or WINDEV Mobile......
File Description (Type of variable)
The File Description variable is used to programmatically describe data files.
Combo Box columns in Table controls
A Table control (populated programmatically, based on a data file or based on a variable) can include Combo Box columns......
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)....
<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)....
<Source>.Write (Function)
Writes a record into a data file without updating the indexes corresponding to all keys used in the file.
GUIDFile (Property)
The GUIDFile property returns the GUID of the file defined in the analysis that was used to create the data file.
OperationLogDirectory (Property)
The OperationLogDirectory property is used to manage the directory of the operation log file associated with a data file.
8. Binding controls to data
A window can display information from......
HWrite (Function)
Writes a record into a data file without updating the indexes corresponding to all keys used in the file.
fDataDirUser (Function)
Returns a directory path for the data of the current user of the current application.
How to sort the result of a query?
This help page explains how to create a sort query with the query editor....
Data source (Type of variable)
A Data source variable is used to describe a temporary data source (query, view, alias, ...)
<Looper>.ToWord (Function)
Creates a Word file (.RTF) using the data from a Looper control.
HUpdateLink (Function)
Updates on the server all the links of an HFSQL Client/Server data file....
Table,Save (External language)
Updates or adds a record in the data file linked to the Table control.
<Source>.ChangeLogDir (Function)
Modifies the location of log files corresponding to an HFSQL data file.
<Source>.Declare (Function)
Declares a description of data file (found in an analysis) in the current project.
<Source>.FilterContains (Function)
Defines and enables a "Contains" filter on a data file, view or query.
<Source>.InfoFile (Function)
Returns the characteristics of an HFSQL Classic or Client/Server data file....
<Source>.UpdateLink (Function)
Updates on the server all the links of an HFSQL Client/Server data file....
<Connection variable>.InfoFile (Function)
Returns the characteristics of an HFSQL Classic or Client/Server data file....