ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

RealToDateTime (Function)
Converts an 8-byte real to a date and time.
<Calendar>.SelectMinus (Function)
Deselects a date in a multi-selection Calendar control.
<DateTime type>.ToReal (Function)
Converts a date and time to an 8-byte real.
Handling Spreadsheet controls programmatically (in a window)
Spreadsheet controls can be handled programmatically......
DateTimeToReal (Function)
Converts a date and time to an 8-byte real.
Manipulating WEBDEV menu options
The context menu of menu options allows you to perform all the operations required to define a drop-down menu......
ERR_NOTACTIVATED
Modifying the characteristics of report controls
The characteristics of the controls can be viewed and/or changed in......
Different types of data (Type of variable)
A variable is defined by name and type......
iCloudKeyValueWatch (Function)
Defines the procedure called when the value of a key is changed in an Apple iCloud-based container of "key-value" pairs.
dTextMarkdown (Function)
Draws Markdown text: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable]....
Z-index of a control
All the controls in a window or report have a different z-index......
Custom telemetry
Custom telemetry allows you to define the elements that will be included in the analytics......
Project portfolio
From version 25, you can create "project portfolios"......
How to associate an image with an element found in a TreeView Table?
This help page explains how to customize the default image associated with the elements found in a TreeView Table....
The indexed controls
A control is an indexed control if it contains several controls with the same name......
Telemetry: Installing the server
To use the telemetry, you must install on a computer......
Query: Displaying the records corresponding to a given period
When a "Date" item is found in the query, you have the ability to only select the records corresponding to a given period......
dTransferToImage (Function)
Creates an image from a buffer of pixels encoded in a specific format. This function is an advanced function. This function is mainly used to handle the images returned by external APIs via Image variables....
The Calculated control
The "Calculated" control is used to perform calculations in a report......
Handling a WEBDEV Slider control through programming
WEBDEV allows you to handle a Slider control through programming....
<Page>.FromFile (Function)
Automatically updates the controls of a page with: the values of the bound items in the current record (loaded in memory) of the data file described in the data model editor. This operation is performed regardless of the state of the controls (grayed, inactive or invisible). the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
Creating and testing a query with parameters
Regardless of the query type (Select, Insert, Delete, Update) and regardless of its creation mode (with the wizard or by SQL directly), you have the ability to use parameters. The name of the parameter is specified when creating the query....
The Appointment structure
The Appointment structure is a preset structure of WLanguage (no declaration is required)......
HTML table
The HTML table is a control used to easily create specific layouts in the HTML pages......