ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

.NET application
To create a.NET application from a project......
Reports & Queries: Specific features
This help page presents the specific features of "Reports & Queries" (which means the user version of report editor) ......
3. Preparing the setup program
WINDEV Tutorial: Using an HFSQL Client/Server database Lesson 3 - Preparing the setup program - 5 min...
HSeekLast (Function)
Sets the position on the last file record whose value for a specific item is less than or equal to a sought value.
HSeekFirst (Function)
Positions on the first file record whose value for a specific item is greater than or equal to a sought value.
Creating an interactive diagram
The Diagram Editor control allows end users to create and edit diagrams......
Writing an email
Writing an email in WLanguage consists in filling the email structure of WLanguage......
Code snippets
The code editor allows you to enter "Code snippets"......
Automatic error handling
Error handling can be customized for each process......
The Kanban control
Originally, Kanban is a Japanese method aimed at improving processes for a better, more efficient production cycle....
HDFS constants
The following constants are used by the HDFS functions:...
Using Facebook authentication
Facebook is the world's most popular social network. It is commonly used by companies to reach their customers......
WDLog: Restoring HFSQL data files
WDLog is used to restore the data files saved by WDLog......
Principle for running threads
At runtime, an application runs in a main thread......
<TreeView Table>.AddChild (Function)
Adds a row into a TreeView Table control, at the end of a given hierarchy level.
<TreeView Table>.InsertChild (Function)
Inserts a row into a TreeView Table control, in a given hierarchy level.
Operations performed on component diagrams
The following paragraphs explain......
HSetIntegrity (Function)
Enables or disables the management of an integrity constraint on a file link.
AutoBrowse (Property)
The AutoBrowse property is used determine if the browse operation performed in a List Box, Looper, Table or Combo Box control based on a data file is automatic or programmed.
RepeatableReadSupported (Property)
The RepeatableReadSupported property is used to: Determine if the data file (defined in the data model editor or programmatically) can be used in HFSQL Client/Server in a transaction that includes a "Repeatable Read" isolation mode. Allow the use of a transaction that includes a "Repeatable Read" isolation mode for a data file (files described programmatically only)....
ModificationRule (Property)
The ModificationRule property is used to configure the modification rule (integrity management) to be applied to the data file described in the code.
HAlias (Example)
Usage example of the HAlias function
File Description (Type of variable)
The File Description variable is used to programmatically describe data files.
ODBC driver for HFSQL Classic and for HFSQL Client/Server (Windows)
The ODBC driver for HFSQL Classic (single-user or multi-user) is used to access an HFSQL Classic database from an external database software that supports the accesses by ODBC......
Image (Property)
The Image property gets and sets the background image of a control or block.