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...
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc.
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...
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...
Assignment operators
Three assignment operators are available...
Variable Description (Type of variable)
The Variable Description type is used to get information about a variable or a member.
Gesture variable
The Gesture variable is used to retrieve the gesture parameters (swipe)......
ErrorOccurred (Variable)
ErrorOccurred is a preset variable of WLanguage indicating the result of the last WLanguage...
Variable scope
Variables can be declared anywhere in the code....
SAP variable
The SAP variable is used to configure the parameters of the connection to the SAP server......
AuthToken (Property)
The AuthToken keyword can correspond to: an AuthToken variable. a property of an httpRequest...
Key (Property)
The Key property is used to manipulate keys: in an xmlSignature variable....
Global and local variable
Two types of variables are available......
dFill (Function)
Colors an area: in an Image control, in an Image variable, in a WDPic variable...
dRectangle (Function)
Draws a rectangle: in an Image control, in an Image variable, in a WDPic variable...
dPolygon (Function)
Draws a polygon: in an Image control, in an Image variable, in a WDPic variable...
dPoint (Function)
Draws a point: in an Image control, in an Image variable, in a WDPic variable...
dLine (Function)
Draws a line: in an Image control, in an Image variable, in a WDPic variable...
dRectangleGradient (Function)
Draws a rectangle: in an Image control, in an Image variable, in a WDPic variable...
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