ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

MatInvert (Function)
Calculates the inverse of a square matrix.
Creating a window skin template
WindowFromSource (Function)
Automatically initializes the controls of a window with: the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor. the values of the bound WLanguage variables....
SQL functions for handling spatial data
Below are the main SQL functions that can be used to handle spatial data in SQL queries......
StringCompare (Function)
Compares two strings character by character: according to the sequence of ASCII characters. according to the alphabetical order....
2. Projects in practice
Combo Box columns in Table controls
A Table control (populated programmatically, based on a data file or based on a variable) can include Combo Box columns......
LengthToString (Function)
Converts a size in bytes to a string with human-readable units such as kilobytes, megabytes or terabytes.
23. Print modes
Text formatting variant
You can customize text attributes such as character spacing, line spacing and font size in a window or page......
SWITCH statement
The SWITCH statement is used to choose the action that will be run according to the value of an expression...
XMLDelete (Function)
Deletes the current element (as well as the entire branch) from an XML document.
MatStack (Function)
Compresses the memory footprint occupied by a matrix.
MatTranspose (Function)
Calculates the transposed matrix.
COMCallMethod (Function)
Runs a method of an interface of a COM object instantiated by COMCreateInstance.
Testing a Mobile application
By testing the project you can simulate how the application will run when launched by the user......
Constants for managing the windows
List of constants used by the functions for managing the windows...
Unicode (Property)
The Unicode property is used to: Determine if the value of a control is a Unicode string. Specify whether the value of a control is a Unicode string....
EncryptStandard (Function)
Encrypts a character string or a binary buffer by using a symmetrical encryption algorithm (AES, DES, etc.)
PageWriteHeaderHTTP (Function)
Adds an additional HTTP header that will be returned to the browser: during the next function for page display (PageDisplay, PageRefresh, ...), during the automatic return of the current page at the end of the current action....
LooperAddInProgress (Function)
Modifies or returns the visibility status of internal wait window when adding additional elements into an infinite Looper control.