ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Useful parameters of a procedure
A procedure can declare some parameters that are not immediately used. In this case, a warning appears in the code editor, indicating that the local variable is not used....
VideoStartDecoding (Function)
Starts decoding bar codes in a Camera control.
CameraStartDecoding (Function)
Starts decoding bar codes in a Camera control.
The Appointment structure
The Appointment structure is a preset structure of WLanguage (no declaration is required)......
SysDirExternalStorage (Function)
Returns the path of the directory that will be used to store files in the external storage space of the Android device.
CameraStopDecoding (Function)
Stops decoding bar codes in a Camera control.
WDHFDiff: Overview
WDHFDiff is a tool used to compare HFSQL data files......
Bitwise operators
The operations on binary values are performed......
HFSQL server configuration
The HFSQL Control Center allows you to fully manage HFSQL servers......
Using objects
To access a class, the object must be declared as being part of the class to handle, this is called object instantiation......
Extensions of files created by WINDEV, WEBDEV, WINDEV Mobile
The table below presents the main extensions of files created and supported by WINDEV, WEBDEV and WINDEV Mobile......
Image properties (help system)
At any time, you can change the characteristics of an image inserted into a help page in the image properties......
<Image>.AlphaBlend (Function)
Blends two images together. This allows you to create fade-in effects between 2 images.
The Scheduler control
...The Scheduler control is used to automatically display and handle schedules. It is used to manage the display of multiple resources and it is used in several applications or sites....
The "Surface" charts
The Surface chart is used to represent correlated analogical data, according to 3 axes...
IWListCount (Function)
Returns the number of internal windows currently found in the list of internal windows browsed by an Internal Window control.
Error 1054: 'Ancestor' cannot be used outside the code of a class
Open document tabs
The document tabs allow you to navigate between the different elements opened in the different editors....
xBase files: Limits
Creating an executable: Data file directory
Two types of directories can be configured when creating the executable......
SCM administrator: Merge of repositories
The merging of repositories makes it possible to combine projects from several repositories into a single repository......
9. Hardware and software requirements
<Camera>.StartDecoding (Function)
Starts decoding bar codes in a Camera control.
SysCacheExternalStorage (Function)
Returns the path of directory that will be used to store the data in cache on the external storage space of application.
User Groupware: Encrypting passwords
To increase the security of user groupware, WINDEV and WEBDEV now encrypt the passwords of users......