ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

NULL values in HFSQL
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the NULL value in the items of the HFSQL data files and for all the other types of accesses (Native, OLE DB, ...
Max (Function)
Returns the greatest value passed as parameter.
<ANSI string>.ToNum (Function)
Returns the numeric value of a character string. This feature enables you to perform numeric calculations on strings.
<Source>.BuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
HBuildKeyValueANSI (Function)
Whatever the platform used, the data stored in HFSQL data files is in ANSI format.
StringToNum (Function)
Returns the numeric value of a character string. This feature enables you to perform numeric calculations on strings.
HBuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
ChronoValue (Function)
Indicates the time elapsed (in milliseconds) since the call to ChronoStart.
LocalStorageGet (Function)
Retrieves a value from the local storage.
Val (Function)
Returns the numeric value of a character string.
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
<Array>.Min (Function)
Returns the lowest value in the array.
Min (Function)
Returns the lowest value.
Data persistence
The data persistence is used to store the value typed by the user...
<Array>.Max (Function)
Returns the greatest value in the array.
Automatic error handling
Error handling can be customized for each process......
Automated tests
WINDEV Tutorial - Monitoring the evolution of an application Automated tests - 20 min
Search in the editors
Being able to perform a search in the editors significantly improves efficiency......
Applying the Responsive Web Design mode to an existing page
This help page explains how to apply the Responsive Web Design mode to an existing WEBDEV page......
Managing rights on HFSQL Client/Server
To ensure data security and confidentiality, some actions may be restricted to a group of users......
14. Controls in practice
Constants for managing multilingual applications
List of constants used by the functions for managing multilingual applications...
Print constants
List of constants used by the print functions....
Guided Tour
A Guided Tour presents a series of features, displayed in a tooltip in the current window...
Runtime log
The runtime log is the best way to identify the most used features of an application......
Optional events: Retrieved information
In WINDEV, you can add optional events in the code of the different elements of an application......
WX file
The "Executable Name".WX file is used to manage some features directly, even if these features...
WLanguage
The integrated WINDEV language, WLanguage, is powerful, simple and intuitive......
2. Development
WINDEV Mobile Tutorial: Developing an Android and iOS application Lesson 2 - Development - 30 min
Dynamic audit
The dynamic audit of an application analyzes its runtime performance......
2. Listing products
WEBDEV Tutorial - Creating a website with back office processes Lesson 2 - Listing products - 50...
Adapting an application to support multiple languages
WINDEV Tutorial - Managing multiple languages Adapting an application to support multiple languages...
2. Examples provided with WINDEV
The examples provided with WINDEV are intended to help you learn the features of WINDEV....
Word processing: Using the ribbon
The ribbon found in the Word Processing control proposes several features and it allows...
System constants
List of constants used by the system functions....
Constants for managing videos
List of constants used by the functions for video management....
New Features brochure - Version 27: new features of WINDEV Mobile
New features in WINDEV Mobile 27 presented in the New Features brochure....
Extensions of files created by WINDEV, WEBDEV, WINDEV Mobile
The table below presents the main extensions of files created and supported by WINDEV, WEBDEV...
4. Simple printing
WINDEV Tutorial: WINDEV application: Managing data Lesson 4 - Simple printing - 20 min
Principle for running threads
At runtime, an application runs in a main thread......