ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

How to choose the data source of a control?
This help page presents the different data sources available for a control....
Spare server
A "spare" server is a target server in a unidirectional automatic replication......
Project compilation: Warning, Error, Information, Programming standard...
When developing a project, the project is compiled on a regular basis....
Software Factory: Administrator options
Several options can be configured in the Software Factory administrator......
Creating an executable: Managing manifests
When running an executable, Windows Vista (and later) performs several checks regarding the rights of the current user via the UAC mechanism (User Account Control)......
NullIfEmpty (Property)
The NullIfEmpty property is used to: Find out whether the value returned by the control is NULL if its content is empty. Configure the value returned by the control if its content is empty....
Docker image of the WEBDEV Application Server
From with version 24, a Docker container with the WEBDEV Application Server can be found in Docker Hub......
Error 1005: To explicitly access a global element of '%1' class, use the syntax
Transactions: Secure processes on HFSQL data files
This chapter presents the following topics......
Scanning a document (via a WIA driver)
Windows Image Acquisition (WIA) is a Windows device driver interface and API that allows applications to scan documents using a scanner......
Managing HBase databases
HBase is a non-relational (NoSQL) distributed database, based on columns and using non-structured storage for large tables......
WDADMINEXE: Managing the setups in push
WDADMINEXE is used to deploy network applications in push via the "Push" tab......
Error 1001: The operators: and:: can only be used in the methods of classes
Joins between the data files of a select query
When several data files are used in a query, the query editor automatically searches for the links between these files described in the analysis......
1. Project and Analysis
The development of a Windows application with WINDEV is based on two main elements: the Project and the Analysis....
Multi-touch support
A multitouch feature is a technique allowing the user to interact with a device via several contact points (the fingers are used in most cases)....
Synchronizing the analysis with external databases
The analysis must be synchronized with an external database if it uses......
MemoryFormat (Property)
The MemoryFormat property is used to get and change the format of the value returned for: Date or Time edit controls. Date or Time table columns. Calendar controls. Static controls. editable combo boxes. table columns displayed by combo boxes....
Orientation (Property)
The Orientation property gets and sets the angle of an element.
The UAC mechanism in Windows Vista (and later)
To increase security against worms and viruses, Windows Vista/7 implemented the UAC (User Account Control) mechanism......
Binding a Link control to an item
5. Deploying a dynamic site (Session or AWP) in practice
2. User-friendly editors in practice
User-friendly editors in practice...
The "dynamic" Tab control
The "Dynamic tab" Tab control is used to display several windows in the same window......
Distributing an external component
Once the component has been created, tested and generated, it can be distributed to other developers......