ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

HRSInit (Function)
Configures an HFSQL server in order for this server to be a master server or a subscriber server for a replication between HFSQL servers.
fSize (Function)
Returns the size of a file (in bytes).
Log (Function)
Calculates the decimal logarithm of a numeric value.
Frequently asked questions about HFSQL Cluster
Frequently asked questions about HFSQL Cluster....
dRectangle (Function)
Draws a rectangle: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
<Image>.ModifyContrast (Function)
Changes the contrast of an image contained in an Image control.
HRSTransformSpareIntoServer (Function)
Transforms a Spare server into an HFSQL server. This makes it possible to delete replications of a spare server so that it can be used again. For example, this function can be used in the case of a master server that becomes unreachable. This function should only be used in a critical situation. Note: This function is only available from version 2025 Update 1....
dText (Function)
Draws a text: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
<Source>.ExecuteSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the HFSQL engine.
Sin (Function)
Returns the sine of an angle.
BitwiseNOT (Function)
Returns the result of a bitwise NOT operation performed on a value.
HCreation (Function)
Creates an empty table (file extension ".FIC") with index file, full-text index file and memo file if required.
HCreationIfNotFound (Function)
Performs the following operations: If the table doesn't exist, create an empty table (file with ".FIC" extension) with the index file, the full-text index file and the memo file if necessary. The function is equivalent to HCreation. If the table exists, opens the table....
WDInst: Configuring the installation workstation
When creating the setup program, WDInst allows you to configure the computer where the program will be installed......
The Image control
The Image control is used to......
XLS file handling functions
List of functions for managing XLS files...
fStopCompress (Function)
Stops the operation used to compress or decompress a file.
Responsive Web Design: Managing slices
In the WEBDEV editor, different resolutions are represented via slices......
Random (Function)
Returns a random number.