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Version: 2025

WLanguage procedure called by HTrack
WLanguage procedure called by HTrack
TreeInsert (Function)
Inserts a leaf into a TreeView control at a specific position.
Server (Property)
The Server property is used to manage the data source of a connection (HFSQL Client/Server, OLE DB, etc.)....
CacheSize (Property)
The CacheSize property is used to: Get the maximum number of records that can be stored in the cache of the Native MySQL Connector. Change the maximum number of records that can be stored in the cache of the Native MySQL Connector....
Unavailable functions and properties
Some functions and properties have been removed from WLanguage......
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....
DisplayedValue (Property)
The DisplayedValue property returns the value currently displayed in the control of a window or page.
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....
Native Progress Connector: Programming with HFSQL functions
To use a Progress database with the Native Connector, you must ......
ElementWidth (Property)
The ElementWidth property is used to: Find out or modify the width of the elements in an Organization Chart control. Find out or modify the width of the cells in a Dashboard control....
ElementHeight (Property)
The ElementHeight property is used to: Find out or modify the height of the elements in an Organization Chart control. Find out or modify the height of the cells in a Dashboard control....
dbgOnError (Function)
Defines the WLanguage procedure that will be called whenever an error is detected by a dbgCheckXXX function.
fExtractResource (Function)
Extracts a resource from the application into a physical device location.
HTMLEnableDebugger (Function)
Enables the HTML/JavaScript debugger on CEF-based HTML controls: HTML Display or HTML Editor control....
3. Dates, arrays and structures
WINDEV Tutorial: WLanguage basics Lesson 3 - Dates, arrays and structures - 20 min
Handling an internal component
An internal component is a set of elements from a project......
Serialize (Function)
Transforms the following elements into a specific format: a structure (and its subelements), a class (and its subelements), an array (including the associative arrays), a queue, a stack, a list....
NumericFormat (Type of Variable)
The NumericFormat type allows you to define all the characteristics of the format that can be used with the NumericalToString function.
Proxy (Function)
Specifies whether the communication functions that use HTTP or HTTPS must go through a proxy to execute their requests. A proxy is used to share the access to Internet between the different network computers.
TableInsertLineWithAnimation (Function)
Inserts a row into a Table control or into a TreeView Table control with an animation.
SQLColumn (Function)
Returns the characteristics of all the columns (or items): for a given table. for a given query....
11. Controls in practice
Discover the main characteristics of the controls...
FAQ about Windows Vista and later
This help page presents a list of problems that may occur when using Windows Vista and later......
Open (Function)
Opens a modal WINDEV window.
The single-part and multi-part archives
Two types of archives are available......