ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Null (Reserved word)
The Null keyword can be used according to different methods in WLanguage......
Procedure description (Type of variable)
The Procedure Description type is used to get information about a procedure or a method.
DateTime (Type of variable)
The DateTime type enables you to easily handle a date and a time...
OOP concepts
A class contains the description of a data structure (members) and the processes (methods) that handle this structure....
dChord (Function)
Draws the chord of a circle (intersection between an ellipse and a straight line): in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
WeekNumber (Function)
Returns the week number within the year that corresponds to the specified date (this date is a character string).
HOpenAnalysis (Function)
Opens an analysis in HFSQL Classic format.
HRestorePosition (Function)
Restores the context of a previously saved file (HSavePosition): current record, filter, pointers.
HBuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
HCopyFile (Function)
Copies an HFSQL data file (.fic, .ndx and .mmo files if they exist): from the HFSQL server to the server (to perform a backup for example). from the HFSQL server to the client (to perform a local backup for example). from the client to the HFSQL server (to update the data files for example). from an HFSQL server to antoher HFSQL server....
Automatic documentation of external components
External components must include a technical documentation......
HBackward (Function)
Moves backward several records from the current position in the data file, according to a specified item.
Browser constants
ArrayInsert (Function)
Inserts an element at a given position: into a one-dimensional array. into an associative array. into an advanced array property (array of gglCalendar events, etc.). into a WLanguage list....
BottomMargin (Property)
The BottomMargin property is used to: Find out the bottom margin of a report. Modify the bottom margin of a report....
RightMargin (Property)
The RightMargin property is used to: Find out the right margin of a report. Modify the right margin of a report....
Interactions between a Flash® animation and WEBDEV
A Flash® animation can be used to display information in the controls of a WEBDEV page......
Constants for managing projects
List of constants used by the functions for managing projects....
HModify (Function)
Modifies the specified record or the record found in memory in the data file (query or view).
3. Editing products
WEBDEV Tutorial - Creating a website with back office processes Lesson 3 - Editing products - 50 min
HRplManageFile (Function)
Defines the options used for the universal replication of a file: the replication direction. the management mode of conflicts....
grDonutHolePercentage (Function)
Modifies the percentage corresponding to the radius of the hole in a Donut chart.
HTTPCreateForm (Function)
Creates an HTTP form.
LengthToString (Function)
Converts a size in bytes to a string with human-readable units such as kilobytes, megabytes or terabytes.
dbgOnError (Function)
Defines the WLanguage procedure that will be called whenever an error is detected by a dbgCheckXXX function.