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, ...
WinEdRedo (Function)
Runs the last action undone by the end user ("Allow end users to modify the UI" option enabled).
HTransaction (Function)
Starts a transaction on the data files (HFSQL or accessed via a Native Connector) and creates...
<Chart>.SurfaceAddData (Function)
Adds a data into a Surface chart.
<Chart>.SurfaceAltitudeColor (Function)
Defines the color used for the altitude (Z axis) in a Surface chart.
<Chart>.SurfaceMesh (Function)
Enables or disables the mesh on a Surface chart.
<Array>.Insert (Function)
Inserts an element at a given position: into a one-dimensional array. into an associative...
<Array>.Reverse (Function)
Reverses the content of a one-dimensional array.
PDFAddWatermark (Function)
Adds a watermark to all or some pages of an existing PDF file.
<Source>.Add (Function)
Add: the record found in memory into the data file (query or view). the record found...
<Source>.ChangeKey (Function)
Changes the browse item.
<Source>.CreateView (Function)
Creates an HFSQL view. This function uses the former view mechanism....
<Source>.Version (Function)
Used to find out: whether the content of a file was modified. whether the content of a file...
<Source>.ReadSeekFirst (Function)
Sets the position on the first record whose value for a specific item is strictly equal to a sought...
<Source>.Previous (Function)
Positions on the previous file record according to a browse item.
Checked (Property)
The Checked property gets and sets the checkmark state of an element.
Minute (Property)
The Minute property is used to: Retrieve the minutes from a Time or DateTime variable,...
OpenSister (Function)
Opens a non-modal sibling window.
HFilterStartsWith (Function)
Defines and enables a "Start with" filter on a file, view or query.
HFilterIncludedBetween (Function)
Defines and enables an "Included between" filter on a file, view or query.
HOptimizeQuery (Function)
Optimizes the Select queries by using idle times when handling an application (period without...
HTransactionStart (Function)
Starts a transaction on the data files (HFSQL or accessed via a Native Connector) and creates...
Input masks and display masks
WINDEV, WEBDEV and WINDEV Mobile propose two types of masks......
Options displayed in a status bar with multiple cells
In the status bar description window, you can specify the options that will appear in each cell...
grDestinationEMF (Function)
Defines a meta file as chart destination (EMF means Enhanced Meta File).
EmailStartOutlookSession (Function)
Allows you to access data handled by the Outlook messaging software (emails, contacts, groups...