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...
<Image variable>.PixelOpacity (Function)
Identifies the opacity of a pixel in an image (in an Image variable) with an Alpha channel.
<Image variable>.Resize (Function)
Resizes an image in an Image variable.
<Image variable>.Rotation (Function)
Rotates an image in an Image variable.
<Image variable>.SaveBMP (Function)
Saves an image contained in an Image variable: in a file in BMP format. in memory....
<Image variable>.SaveGIF (Function)
Saves an image found in an Image variable: in a file in GIF format. in memory....
<Icon variable>.SaveICO (Function)
Saves an image in icon format either in a file, or in memory.
<Image variable>.SavePNG (Function)
Saves an image found in an Image variable: in a PNG file. in memory....
<Image variable>.EndDrawing (Function)
Deletes all the drawings made since the last call to dStartDrawing.
<Image variable>.StartDrawing (Function)
Indicates that the drawing functions that will be used are intended for an Image variable.
<Image variable>.HorizontalSymmetry (Function)
Flips an image contained in an Image variable with respect to a horizontal axis (symmetry...
<Image variable>.VerticalSymmetry (Function)
Flips an image contained in an Image variable with respect to a vertical axis (symmetry...
<Image variable>.SaveJPEG (Function)
Saves an image found in an Image variable: in a JPEG file. in memory....
<Queue variable>.Enqueue (Function)
Adds an element to the queue.
<fbSession variable>.Status (Function)
Checks the status of a Facebook session.
<fbSession variable>.Stop (Function)
Stops the Facebook session that was started by FBStartSession.
<fbSession variable>.Start (Function)
Used to authenticate and log in to Faceboook.
<fbSession variable>.GetUserInformation (Function)
Gets the Facebook information of the connected user.
<fbSession variable>.Request (Function)
Sends an HTTP request to the Facebook Graph API.
<gglConnection variable>.Connect (Function)
Manages authentication on a Google server (via the "OAuth 2.0" authentication mode).
<gglConnection variable>.Disconnect (Function)
Disconnects the user from the Google services used. During the next re-connection,...
<gglConnection variable>.Write (Function)
Creates and/or updates data on the Google server (addition or modification of data)....
<gglConnection variable>.UploadDocument (Function)
Uploads a document to the Google server.
<gglConnection variable>.ListCalendar (Function)
Retrieves the list of Google calendars associated with the specified Google account.
<gglConnection variable>.ListContact (Function)
Retrieves the list of contacts associated with the specified Google account.
<gglConnection variable>.ListContactByRequest (Function)
Retrieves a list of contacts from custom parameters.