ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Managing dates and times
WINDEV, WEBDEV and WINDEV Mobile propose several methods for managing dates and times in your applications...
10. Embedded queries
<Window>.ToFile (Function)
Automatically updates: the values of a data file's items in memory with the values from the controls in the window. The data file items bound to the window controls are automatically updated with the values of these controls. the value of the WLanguage variables with the value of the window controls. The WLanguage variables bound to the window controls are automatically updated with the values of these controls. This function is also available for WEBDEV pages....
Managing the database schema versions
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the different versions of the database schema from the data model editor......
Creating the skin template of a report
7. Multilingual applications in practice
Identifies the opacity of a pixel in an image (in an Image variable) with an Alpha channel....
WDD55 (Property)
The WDD55 property is used to: Get the name and full path of the Hyper File 5.5 WDD file. Set the name and full path of the Hyper File 5.5 WDD file....
Filling a Chart control
The data that will be displayed in the Chart control can come from......
<Organization Chart>.Display (Function)
Reinitializes the content of an Organization Chart control from its data source (HFSQL data file for example).
WDModFic : Tool for automatic modification of data files
WDModFic is a tool used to perform the automatic modification of the data files found on the development computer and on the end-user computers......
OrgDisplay (Function)
Reinitializes the content of an Organization Chart control from its data source (HFSQL data file for example).
Unalterable data files
This feature is used to signal that a data file cannot be modified after writing......
Automatic feature for copying forms
When typing several copies of a form one after another, some of the information to type may be the same for each instance of the form......
SQL functions that can be used in SQL queries
The following SQL functions can be used on the queries written in SQL code (classified by theme)......
WDLog: Restoring HFSQL data files
WDLog is used to restore the data files saved by WDLog......
<Source>.Add (Function)
Add: the record found in memory into the data file (query or view). the record found in a Record variable into the data file (query or view)....
HErrorPassword (Function)
After the execution of a read or write function in a data file, used to find out whether an error caused by a wrong password occurred on this data file.
<Table>.SelectToFile (Function)
Positions on the data file record corresponding to a row selected in the multi-selection Table control based on a data file.
Advanced management of class instances
The advanced management of instances is used to choose the mode for taking reference. This choice directly impacts the freeing of the class objects: depending on the selected take of reference, the "Destructor" will not be called at the same time....
WDOptimizer: Overview
The different operations that can be performed with WDOptimizer are as follows......
HOpen (Function)
Opens a data file.
<Source>.Open (Function)
Opens a data file.