ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Time management
For each element (windows, reports, ...
Null (Reserved word)
The Null keyword can be used according to different methods in WLanguage...
3-tier architecture
The development in "3-tier" architecture is now simplified...
WINDEV and the communication streams (audio, sound)
To handle the communication streams, WINDEV includes...
Principle of remote check
WEBDEV proposes several methods for deploying a dynamic site...
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
HDuplicateDatabase (Function)
Duplicates the database associated with a connection on an HFSQL server.
Telemetry: Main features
HInfoView (Function)
Returns information about a materialized view.
HStartServerUpdate (Function)
Used to immediately start the automatic server update.
<Chart>.LineThickness (Function)
Retrieves and/or modifies the value of the line thickness in a Line chart....
<Chart>.Print (Function)
Prints a chart.
<Chart>.Menu (Function)
Defines the type of context menu displayed by a chart.
<Chart>.ScatterSeriesColor (Function)
Initializes the color of a series in a "Scatter" chart.
<Chart>.ScatterSeriesLabel (Function)
Initializes the label of data series in a "Scatter" chart.
<Chart>.MenuOption (Function)
Modifies the text of an option in the context menu of a chart.
<Chart>.GridLines (Function)
Displays or hides the chart gridlines.
<Chart>.PieStartAngle (Function)
Indicates the start angle of first section in a Pie chart, Semi-circular chart or Donut chart.
<Chart>.PiePullOut (Function)
Pulls out a section (or all sections) in a chart.
<zipArchive variable>.CreateExe (Function)
Creates a self-extracting archive as a 32-bit executable (.EXE).
<zipArchive variable>.ListFile (Function)
Returns the list of files found in an archive.
<zipArchive variable>.DeleteFileList (Function)
Deletes a list of files from an archive.
HTML constants
HSuggestKey (Function)
Returns a list of keys to add to data files to improve query performance.
<zipArchive>.SelectFile (Function)
Selects files from an archive.
gpwOpen (Function)
Opens the User Groupware login window or page.
DateTimeByDefault (Function)
Used to define the default value of Date, Time and DateTime variables.
fDate (Function)
Returns or modifies the different dates associated with a file or directory (date created, modified...
MatAdd (Function)
Adds two matrices of same dimensions (same number of rows and same number of columns).
MatInvert (Function)
Calculates the inverse of a square matrix.
MatRead (Function)
Reads the value of a matrix element.