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...
Before (Property)
variable. an event associated with a control....
After (Property)
variable. an event associated with a control....
CriticalSection (Function)
Enables a name or on-variable critical section in the statement USING ... IN.
StringToDuration (Function)
... variable.
dModifyHSL (Function)
in an Image variable....
PicRectangularSnip (Function)
Captures a rectangular area defined with the cursor and retrieves the image in a variable of type...
EmailBuildSource (Function)
... or in an Email variable.
Count (Property)
a xmlNode variable. a JSON variable....
ServiceInstall (Function)
... of the Service variable.
Error 507: The '++' operator is not allowed
dDominantImageColor (Function)
Returns the dominant (i.e. most frequent) color of an image in an Image variable or in an Image...
URIToBuffer (Function)
... in a buffer variable.
EmailImportHTML (Function)
Imports, into the Email structure or into an Email variable, the content of an HTML file in order...
Useful parameters of a procedure
... appears in the code editor, indicating that the local variable is not used....
Image (Keyword)
The Image keyword can correspond to: an Image variable. a property used to get and change...
Error 122: The name of an Automation object must be a string
fReadLineRegularExpression (Function)
... and assigns them to a variable.
FOR statement
The statement block is repeated while a control variable is modified and compared to a limit value...
Using the advanced types
The advanced types (XLS variables, ggl variables, ......
Handling List Box controls programmatically
WINDEV, WEBDEV and WINDEV Mobile allow you to programmatically handle List Box controls....
Organizer control linked to a data file or to a variable
You have the ability to create Organizer controls linked to data....
Linking a Scheduler control to a data file or variable
You can create Scheduler controls directly linked to the data....
Error 101: Declaration of global variable not allowed
TmeLine control linked to a data file or variable
You can create TimeLine controls directly linked to the data....
FOR EACH/FOR ALL statement (loop through a variable of type XMLReader)
The FOR EACH statement loops through a variable of type xmlReader in various ways: Loop...