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 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.
Table control based on a variable
A Table control based on a variable is a Table control whose columns are bound to the elements...
Screen,Get (External language)
Retrieves the value in a control or in a variable.
mlDeleteVariable (Function)
Deletes a variable from the MATLAB session.
VariableReset (Function)
Resets the variable to its initial value.
<Document variable>.InsertTable (Function)
Inserts a table in a Document variable.
<Image variable>.DrawText (Function)
Draws a text in an Image variable.
<Image variable>.Fill (Function)
Colors an area in an Image variable.
<Image variable>.DrawRectangleGradient (Function)
Draws a rectangle in an Image variable.
<Image variable>.DrawRectangle (Function)
Draws a rectangle in an Image variable.
<Image variable>.DrawPolygon (Function)
Draws a polygon in an Image variable.
<Image variable>.DrawBorder (Function)
Draws the borders in an Image variable.
<Image variable>.DrawLine (Function)
Draws a line in an Image variable.
<Image variable>.DrawPoint (Function)
Draws a point in an Image variable.
<Image variable>.Resize (Function)
Resizes an image in an Image variable.
<Image variable>.Rotation (Function)
Rotates an image in an Image variable.
<Image variable>.InvertColor (Function)
Inverts the colors in an Image variable.
DataType (Function)
Identifying the type of a WLanguage variable.
<WDPic variable>.InvertColor (Function)
Inverts the colors of a WDPic variable.
<picLayer variable>.InvertColor (Function)
Inverts the colors of a picLayer variable.
<WDPic variable>.DrawLine (Function)
Draws a line in a WDPic variable.
<picLayer variable>.DrawLine (Function)
Draws a line in a picLayer variable.
<WDPic variable>.DrawPoint (Function)
Draws a point in a WDPic variable.
<picLayer variable>.DrawPoint (Function)
Draws a point in a picLayer variable.
<WDPic variable>.DrawPolygon (Function)
Draws a polygon in a WDPic variable.