ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Class diagram
A class diagram describes the structure of a system via classes and the relationships among them......
Uploading and downloading files on Internet (WINDEV FTP and RPC)
Several methods can be used to upload and download files by Internet......
dImageToArray (Function)
Copies the RGB pixels of the image into a one-dimensional or two-dimensional array. The array of colors is cleared then it is filled with the integers representing the colors (24 bits) of the image.
Error 1012: The class member is not global: it cannot be accessed from a global method
DisplayEvenIfNull (Property)
The DisplayEvenIfNull property is used to: Determine whether a row or column in a Pivot Table control is displayed even if it contains no value. Show or hide a row or column in a Pivot Table control if it does not contain any values....
AAF: Increasing the height of the rows in the Table or Looper controls
In Table, TreeView Table and Looper controls, the user can resize the height of rows, in read-only or in edit......
Handling a Pivot Table control through programming
A Pivot Table control can be handled through programming......
TimestampType (Property)
The TimestampType property is used to: Find out the type of timestamp for an item. This item was defined in the data model editor or through programming. Define the type of timestamp for a Date, Time or DateTime item (when describing the item through programming)....
Handling a Dockable Panel control through programming
A Dockable Panel control can be handled through programming......
ImageHeight (Property)
The ImageHeight property is used to: Find out the height of the image section displayed in an image control or in the background of a chart control. Modify the height of the image section displayed in an image control or in the background of a chart control....
Null (Property)
The Null property is used to: Assign NULL to the item for the current record. Find out whether the item is associated with the NULL value for the current record. Define the default value of an item when the item is described through programming....
SQLLock (Function)
Used to lock: The entire data table, in read and write mode. Its data cannot be accessed by other computers. The records selected by the query. This data cannot be accessed by the other computers. This method can be used to update records for example....
spMatchesDescription (Property)
The spMatchesDescription property determines if the parameters (key derivation function, hash algorithm, iteration count and output length) of the item of type "Password" in the data file match the parameters described programmatically or in the analysis.
Menus and menu options: Tips & Tricks
This page presents some operations specific to the menus and to the menu options......
Events associated with Camera controls
List of WLanguage events associated with Camera controls....
Rich text, links and images in the WEBDEV controls
Rich text supports multiple advanced features: font, weight, size, color, attribute, ......
YesNo (Function)
Displays a message in a standard dialog box that proposes "Yes" and "No" and returns the user's choice....
Changing the characteristics of window controls
The characteristics of the controls can be viewed and/or changed in......
Applying the Responsive Web Design mode to an existing page
This help page explains how to apply the Responsive Web Design mode to an existing WEBDEV page......
Classes, members, methods and properties
A class is made of......
Programming by preset action
Preset actions allow you to define the code of an event in a single click, without having to write one single line of code......
Binding a WEBDEV slider to an item
A WEBDEV slider can be bound to an item in a data file, query, etc....
Pivot Table control in a report
The report editor allows you to create "Crosstab" reports......
Responsive Web Design: Specific UI errors
WEBDEV features UI errors specific to the position of controls in the different slices......
ErrorBuild (Function)
Displays a custom error message in a system error window.