ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Time management
For each element (windows, reports, ...
Principle of remote check
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
WINDEV and the communication streams (audio, sound)
To handle the communication streams, WINDEV includes...
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...
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...
EmailSeekFirst (Function)
Finds one or more emails according to the criteria specified in the messaging software (Outlook,...
EmailChangeFolder (Function)
Modifies the current folder in the messaging software (Outlook, messaging software using the IMAP...
<Source>.Next (Function)
Sets the position on the next data file record according to a browse item.
<Window>.EdCreateNote (Function)
Creates a Repositionable Note control.
<Window>.EdDo (Window)
Runs an action (defined programmatically) and enables Undo/Redo operations on this action....
<Window>.EdRedo (Function)
Runs the last action undone by the end user ("Allow end users to modify the UI" option enabled).
ArrayReverse (Function)
Reverses the content of a one-dimensional array.
grSurfaceAddData (Function)
Adds a data into a Surface chart.
grSurfaceAltitudeColor (Function)
Defines the color used for the altitude (Z axis) of a surface chart.
grSurfaceMesh (Function)
Enables or disables the mesh on a Surface chart.
ConfigureAWPContext (Function)
Configures the operating mode of the AWP context.
WinEdCreateNote (Function)
Creates a Repositionable Note control.
<ManualEvent variable>.Wait (Function)
Locks the current thread while waiting for the specified event to be opened.
<AutomaticEvent variable>.Close (Function)
Closes a synchronization event between several threads.
<AutomaticEvent variable>.Open (Function)
Opens a synchronization event between several threads.