ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Software license agreement
WINDEV Express license agreement...
AS/400: Development method
The Native AS/400 Connector simplifies access to AS/400 data from your WINDEV and WEBDEV applications......
fLock (Example)
Usage example of the fLock function
1. WLanguage
WINDEV Tutorial: WLanguage basics Lesson 1 - WLanguage - 5 min
Constants for encryption/compression
List of constants used by the encryption/compression functions...
WDConver : Use in command line mode
Using WDConver in command line mode consists in running a conversion description created and saved with WDConver ("......
2. Managing a Client/Server database
WEBDEV Tutorial - Managing an HFSQL Client/Server database Lesson 2 - Managing a Client/Server database - 20 min...
fUnlock (Example)
Usage example of the fUnlock function
Access rights to a class property: special cases
The retrieval and assignment processes can be public, private or protected. The access rights of the property correspond to the less restrictive rights of the two processes....
UploadCopyFile (Function)
Saves on the server a file "uploaded" by the Web user. This upload may have been performed: via an "Upload" edit control. via a single-file or multi-file Upload control....
Manipulating Diagram Editor controls programmatically
In WINDEV and WEBDEV, you can handle Diagram Editor controls programmatically......
Report viewer: "Print" tab
The report viewer allows end users to view reports before printing them......
WINDEV, WEBDEV, Android or iOS external component
An external component is a set of WINDEV, WEBDEV or WINDEV Mobile elements......
eRoundDifference (Function)
Returns the rounding difference between: the value displayed in a "Currency + Euro" control, the associated control used for dual display....
Customizing the display of an Organization Chart control
To customize the interface of an Organization Chart control, you must use specific internal windows....
Creating a .NET assembly that can be accessed using COM
To create a.NET assembly accessible by COM, you must......
HCheckStructure (Function)
Defines the mode for comparing data files.
HLinkMemo (Function)
Used to associate a file with a binary memo item or to cancel the existing link between a file and a binary item.
Project description: Compilation tab
The project description window allows you to configure various elements of your project......
ModbusWriteBit (Function)
Writes one or multiple bits to a specific address in a Modbus slave.
How to choose the data source of a control?
This help page presents the different data sources available for a control....
ModbusWriteRegister (Function)
Writes one or more registers (16-bit values) to a Modbus slave, starting at a specific address.
FinPeriodInterest (Example)
Usage example of the FinPeriodInterest function
Image control in a page
WebserviceWriteHTTPCode (Function)
Specifies the HTTP code that will be returned at the end of the execution of the REST Webservice function.