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)...
Advanced types
The advanced types of WLanguage are as follows
<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.
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.
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.
Assignment operators
Three assignment operators are available...
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc.
TypeVar (Function)
Identifies the type of an expression, a variable (during a call to a procedure for example) or a control.
Constant
The constants are language elements whose value is fixed once and for all...
Checkers available in the code editor
The code editor proposes several tools used to correct the code...
Type inference
The type inference is used to simplify the declaration of variables when the variable type can be automatically deduced by the compiler...
ContactLast (Function)
Reads the last contact in a Lotus Notes or Outlook address book.
SourceToPage (Function)
Automatically updates the controls of a page with: the values of the bound items in the current...
Interface
An interface is used to divide the uses of features common to several elements...
JavaLoad (Function)
Specifies the location of user classes required to run the Java application or the Java applet.
TreeSelect (Function)
Returns the full path of the selected element in a TreeView control.
WINDEV Mobile and SMS messages
WINDEV Mobile allows you to easily send and read SMS messages with the SMS functions...
PageFromSource (Function)
Automatically updates the controls of a page with: the values of the bound items in the current...
AppointmentPrevious (Function)
Reads the appointment found before the current appointment in the calendar of a Lotus Notes...
AppointmentNext (Function)
Reads the appointment found after the current appointment in the calendar of a Lotus Notes...
XamlProperty (Function)
Used to find out and modify the value of a .Net property for an Xaml control or for a Carousel...
gpwActivateUser (Function)
Validates a new user in the User Groupware database by activating the user.
NetSendBuffer (Function)
Transmits a character string to an FTP (File Transfer Protocol) or RPC (Remote Procedure Call)...
PageBorderVisible (Property)
The PageBorderVisible property is used to: determine if the page borders are displayed...
DeclareAWPContext (Function)
Used to declare a list of variables whose value will be persistent between the successive displays...
GPSFollowMovement (Function)
Requests to be notified periodically of the device's current location....
Handling XLS files
WINDEV and WEBDEV propose two methods for handling the Excel files......
Creating a Pivot Table control
To create a Pivot Table control......
Handling Word Processing controls programmatically
Word Processing controls can be handled programmatically......
The "Internal report" control
...The "Internal report" controls are used to print several reports (secondary reports) in a single...
GroupLast (Function)
Reads the last group of contacts in a Lotus Notes or Outlook address book.
fIsImage (Function)
Used to find out whether a file found on disk or a file contained in a buffer corresponds...
ModbusReadBit (Function)
Reads one or more bits from a Modbus slave, starting at a specific address.
AutoRunAdd (Function)
Allows you to automatically start a WINDEV application when a specific event occurs.
ImageInfoClose (Function)
Closes the image file (in JPEG or TIFF format) used by ImageInfoValue and/or ImageInfoList...
ContactRead (Function)
Reads a contact in a Lotus Notes or Outlook address book.