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...
Constant
The constants are language elements whose value is fixed once and for all...
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.
WLanguage types
The different types in WLanguage are...
Assignment operators
Three assignment operators are available...
<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.
H.AutoIndexingLimit (Variable)
Indicates the maximum number of records in the table used to manage the automatic reindexing.
mongoCollection (Variable type)
The mongoCollection type is used to define the advanced characteristics of a collection...
upnpDevice (Variable type)
The upnpDevice type is used to define the advanced characteristics of a UPnP device.
MultiLinestringGeo (Variable type)
The MultiLinestring type can be used to store a collection of linestrings defined with geographic...
Date (Variable type)
The Date type is used to easily manipulate dates...
saasService (Variable type)
The saasService type is used to define the advanced characteristics of a SaaS service.
Enumeration (Variable type)
An enumeration is a set of values......
mongoOperationsOption (Variable type)
The mongoOperationsOption type is used to define the options of bulk operations.
diagText (Variable type)
The diagText type is used to define all the advanced characteristics of a text associated...
InfoVersion (Variable type)
The InfoVersion type is used to find out the characteristics of a specific application version.
sfEmptyRecycleBinResult (Variable type)
The sfEmptyRecycleBinResult type is used to find out the result of SFEmptyRecycleBin...
DSVFormat (Variable type)
The DSVFormat is used to define and change characteristics of the Delimiter Separated Values (DSV)...
httpResponse (Variable type)
The httpResponse type is used to get the advanced characteristics of the response of the HTTP/HTTPS...
rssIdentifier (Variable type)
The rssIdentifier type is used to describe the unique identifier of a RSS feed entry...
mongoOperationReplaceOne (Variable type)
The mongoOperationReplaceOne type is used to define all the advanced characteristics of a document...
gglAttachment (Variable type)
The gglAttachment type is used to define all the advanced characteristics of a file attached...
sfDeletedRecord (Variable type)
The sfSeekDeletedResult type is used to find out the characteristics of a deleted record...
Geometry (Variable type)
The Geometry type can be used to store any type of geometry: point, polygon, etc.
SecretString (Variable type)
The SecretString type is used to manipulate strings contained in a password vault.
Control (Variable type)
The Control type is used to define the characteristics of a control.
docElementFormula (Variable type)
... in a DocElement variable.
ocrOption (Variable type)
The ocrOption type is used to define all the general options of the native OCR (Optical Character...
rssEntry (Variable type)
The rssEntry type is used to handle a RSS feed entry...
mongoOperationUpdateOne (Variable type)
The mongoOperationUpdateOne type is used to define all the advanced characteristics of a document...
sfSaveResult (Variable type)
The sfSaveResult type is used to find out the result of SFAdd and SFModify...