ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Composite variable
A composite variable contains different types of elements (members)...
Declaring and using a variable
A variable is defined by name and type...
Checkers available in the code editor
The code editor proposes several tools used to correct the code...
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.
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.
Constant
The constants are language elements whose value is fixed once and for all...
Type inference
The type inference is used to simplify the declaration of variables when the variable type can be automatically deduced by the compiler...
PDFExtractPage (Function)
Extracts a page from a PDF file in a variable of type Image.
<Variable pdfDocument>PageExtract (Function)
Extracts a page from a PDF file in a variable of type Image.
VersionHTTP (Property)
The HTTPVersion property is used to manage the HTTP version used by the server....
nWDEvaluate: Evaluating the value of an element
Evaluating the value of an element......
Error 20: The variable of the FOR loop should be a real
Error 108: The size of the variable is not allowed
Error 105: Redefinition of the local variable
emailPOP3Session (Type of variable)
The emailPOP3Session type is used to access a messaging server by using the POP3 protocol (Post...
Parameters of a procedure with a variable number of parameters
When the procedure uses a variable number of parameters, you must be able to handle the different...
Different types of data (Type of variable)
A variable is defined by name and type......
OAuth2Parameters (Type of variable)
The OAuth2Parameters type is used to define the information required to authenticate on a web...
CertificateCheckFileSignatureBuffer (Function)
... variable.
How to create and handle a structure?
This help page explains how to create and handle a structure....
StoredItem (Property)
The StoredItem property is used to: Find out the stored item or the stored variable of a Table,...
Handling a Slider control through programming
WINDEV and WINDEV Mobile allow you to handle a Slider control through programming......
Handling a Spin control through programming
WINDEV allows you to handle a Spin control through programming......
Font
The Font keyword can correspond to: a Font variable. the Font property....
HInfoTask (Function)
Returns the characteristics of a scheduled task in a hScheduledTask variable].
Content of the Table control
A Table control can be based on a data file, based on a variable or populated programmatically......
XMLOpen (Function)
Loads an XML document from a file, a URL or a string into an xmlDocument variable.
dLoadImage (Function)
Loads an image in an Image variable from a memo, a file or a binary buffer.
dCrop (Function)
Returns the cropped part of an image. This image is found in an Image variable.
dEncrustColor (Function)
Encrusts a color in an image found in an Image variable].
dCopyWindowImage (Function)
Copies the image from a WINDEV window to an Image variable or to an Image control.
PicSave (Function)
Saves the image found: in an Image Editor control. in a WDPic variable....