ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Declaring and using a variable
A variable is defined by name and type...
Service variable
The Service variable is used to...
Report based on a variable (Data binding)
A report based on a variable is used to directly print the information found in a WLanguage variable...
Composite variable
A composite variable contains different types of elements (members)...
TypeVar (Function)
Identifies the type of an expression, a variable (during a call to a procedure for example) or a control.
Advanced types
The advanced types of WLanguage are as follows
Checkers available in the code editor
The code editor proposes several tools used to correct the code...
WLanguage types
The different types in WLanguage are...
IsNumeric (Function)
Enables you to find out whether a variable or a control is:
  • a numeric (integer, real, currency or numeric).
  • a string that can be converted into numeric.
Assignment operators
Three assignment operators are available...
Constant
The constants are language elements whose value is fixed once and for all...
<Source>.Reset (Function)
Initializes:
  • one or all variables of file items with their default values.
  • one or all items of a Record variable with their default values.
HReset (Function)
Initializes:
  • one or all variables of file items with their default values.
  • one or all items of a Record variable with their default values.
Type inference
The type inference is used to simplify the declaration of variables when the variable type can be automatically deduced by the compiler...
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc.
Scanning a document (via a WIA driver)
Windows Image Acquisition (WIA) is a Windows device driver interface and API that allows...
PDFSign (Function)
Applies an approval signature to an existing PDF.
<Variable pdfDocument>Sign (Function)
Applies an approval signature to an existing PDF.
Constants used by the scanner functions
Constants used by the scanner functions...
TimePicker (Function)
Opens the system time picker.
FTPCommand (Function)
Sends a specific FTP command to a server.
UPNPModifyContrast (Function)
Modifies the contrast of a UPnP device.
UPNPGetBrightness (Function)
Retrieves the brightness of a UPnP device.
UPNPGetVolume (Function)
Retrieves the volume of a UPnP device.
ActiveDirectory (Property)
The ActiveDirectory property allows you to connect to an HFSQL server using Active Directory...
xlsDeleteWorksheet (Function)
Deletes a worksheet from the Excel document.
Source (Property)
The Source property can be used on: Chart control field field: in this case, the Source...
UPNPGetSharpness (Function)
Retrieves the sharpness of a UPnP device.
UPNPModifyVolume (Function)
Change the volume of a UPnP device.
FTPGetFile (Function)
Transfers a file from an FTP (File Transfer Protocol) server to the current computer. Note:...
UPNPGetMute (Function)
Retrieves the 'Mute' status of a UPnP device....
UPNPModifyBrightness (Function)
Modifies the brightness of a UPnP device.
UPNPModifyMute (Function)
Modifies the 'Mute' status of a UPnP device....
GglGetDocument (Function)
Downloads a document from Google Docs.
KeySize (Property)
The KeySize property is used to set the characteristics of a text memo key item.
WebSocketListConnectedUser (Function)
Lists the clients connected to the WebSocket server.
UPNPModifySharpness (Function)
Changes the sharpness of a UPnP device.
Document (Property)
The Document property is used to identify or modify the HTML document associated with an HTML...