ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Display modes, transparency and symmetry of an image
An image can be displayed in a window, a window control, a report control, a page control or a block according to several display modes....
Crosstab report
The report editor allows you to create "Crosstab" reports......
OKCancelAsynchronous (Function)
Displays a message in a standard non-blocking dialog box with the answers "OK" and "Cancel" and calls a WLanguage procedure with the user's response....
HExecuteSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the HFSQL engine.
Constants for managing the windows
List of constants used by the functions for managing the windows...
TableCollapseExpand (Function)
Collapses or expands an element in a Table or TreeView Table control.
NotesActivateView (Function)
Indicates the view that must be handled in Lotus Notes.
GuidedTourStep (Type of Variable)
The GuidedTourStep type allows you to define all the advanced characteristics of a step of a guided tour.
GuidedTour (Type of Variable)
The GuidedTour type allows you to define all the advanced characteristics of a guided tour and its stages.
SQL statements
The main SQL statements allowed in the SQL queries managed by WINDEV and WEBDEV are as follows......
SQL : ORDER BY clause: Organizing the result of a query
The ORDER BY clause is used to sort the records selected by an SQL query......
SQL: Managing joins (INNER JOIN, OUTER JOIN)
To select records coming from several data files, joins must be used in the SQL query......
SQL set operations: UNION, UNION ALL and INTERSECT
SQL allows performing set operations on groups of files......
ConfirmAsynchronous (Function)
Displays a non-blocking message in a standard dialog box with the answers "Yes", "No", "Cancel" and calls a WLanguage procedure with the user's response....
WarningAsynchronous (Function)
Displays a custom message in a non-blocking system warning window.
ErrorAsynchronous (Function)
Displays a custom error message in a non-blocking system error window.
ErrorWithTimeoutAsynchronous (Function)
Displays a custom error message in a non-blocking system error window for a given amount of time.
Repetition (Type of variable)
The Repetition type is used to describe and modify the characteristics of a repetition for an appointment via the different WLanguage properties.
Overview of HFSQL Cluster
HFSQL Cluster is a database server intended to be deployed on several servers......
EmailReadPrevious (Example)
Usage example of the EmailReadPrevious function
MemModify (Function)
Modifies an element in a memory zone.
WEBDEV concepts
Drawing constants
List of constants used by the drawing functions....
ErrorWithTimeout (Function)
Displays a custom error message in a system error window for a set amount of time.
TreeExpandAll (Function)
Expands a node and all its child elements in a TreeView control.