ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

TableCollapse (Function)
Collapses: a branch that was previously expanded in a TreeView Table control. a break that was previously expanded in a Table control. a detailed window displayed for a row....
Refreshing the page data
In a dynamic WEBDEV site, the page data is refreshed during a user action......
Message (Property)
The Message property is used to: Find out the help message associated with a control or with a menu option (in a window). Modify the help message associated with a control or with a menu option (in a window)....
Cos (Function)
Calculates the cosine of an angle.
The Captcha control
The "captcha" are the distorted texts that the Web user must decode and re-enter in a site before validating a form....
zipNbFile (Function)
Returns the number of files found in an archive (in CAB, RAR, ZIP, WDZ or 7z format).
RequestUpdateUIParent (Function)
Asks to run the "Request for refreshing the display" process of parent. This function is kept for backward compatibility.
<Source>.LockRecNum (Function)
Locks a record and restricts the access to this record for all the other applications.
ArraySeekByProcedure (Function)
Seeks an element in a one-dimensional WLanguage array by using a comparison procedure.
Advanced installer options
The setup wizard allows you to specify advanced options for the installer. These advanced options are used to: specify the options for managing the installer framework. specify the options for managing the UAC for the installer....
WDInst: Configuring the setup computer
When creating the setup program, WDInst allows you to configure the computer where the program will be installed......
JSONToVariant (Function)
Converts a JSON string to a Variant variable.
HSendMessageToClient (Function)
Displays a message on the client computers.
Writing an email: the available methods
This help page presents the methods for writing an email....
WDInst: Installing an HFSQL Client/Server application
When creating the setup program of a WINDEV application that uses HFSQL Client/Server data files, WDInst allows you to......
19. Sending emails
Handling RTF in an Edit control
Rich Text Format (RTF) is used to encode text and simplify exchange between applications......
Sort order of records found in a select query
To make the result of a query easier to read, the records can be sorted according to one or more items......
dCopy (Function)
Copies an image to another image.
ControlVisible (Function)
Makes a control (or a group of controls) visible in a window. During this operation, an animation can be performed on the controls.
DateValid (Function)
Checks the validity of a date between January 01 0001 and December 31 9999.
Printing a watermark text
A report (and a duplicate copy) can include an additional text in the format of a watermark, such as "Confidential" or "Duplicate" printed across the report....
Detailed use of WINDEV FTP/RPC
PageDisplay (Function)
Displays a web page in the user's browser....
dbgStandardOutput (Function)
Writes an information into the standard output stream "stdout" (also called "console").