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)...
Advanced types
The advanced types of WLanguage are as follows
<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.
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.
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.
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc.
Constant
The constants are language elements whose value is fixed once and for all...
TypeVar (Function)
Identifies the type of an expression, a variable (during a call to a procedure for example) or a control.
Assignment operators
Three assignment operators are available...
Checkers available in the code editor
The code editor proposes several tools used to correct the code...
Type inference
The type inference is used to simplify the declaration of variables when the variable type can be automatically deduced by the compiler...
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].
CertificateCheckFileSignatureBuffer (Function)
... variable.
Handling a Spin control through programming
WINDEV allows you to handle a Spin control through programming......
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....
SQLAssociate (Function)
Automatically associates each column of the query result with a control or with a variable...
dModifySaturation (Function)
Modifies the saturation of an image found: in an Image control, in an Image variable....
dModifyLightness (Function)
Changes the lightness of an image found: in an Image control, in an Image variable....
dModifyContrast (Function)
Changes the contrast of an image contained: in an Image control, in an Image variable....
dCopieImageChamp (Control)
Copies the image of a control in a WINDEV window to a variable of type Image.
fSaveBuffer (Function)
Creates and fills a text file with the content of a string or buffer variable.
fLoadBuffer (Function)
Loads the content of an external file (text, image, ...) in a buffer variable.
Handling a Progress Bar control through programming
A Progress Bar control can be handled through programming......
ServiceModify (Function)
... of the Service variable.
dHalo (Function)
Adds a halo effect on an image found in an Image variable].
dShadow (Function)
Adds a shadow effect on an image found in an Image variable].
HTMLEditorToEmail (Function)
Exports the content of an HTML Editor control to an Email variable (to send the email).
<HTML editor>.ToEmail (Function)
Exports the content of an HTML Editor control to an Email variable (to send the email).
Handling Button controls programmatically
WINDEV, WINDEV Mobile and WEBDEV allow you to programmatically handle Button controls......