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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

NULL values in HFSQL
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the NULL value in the items of the HFSQL data files and for all the other types of accesses (Native, OLE DB, ...
Max (Function)
Returns the greatest value passed as parameter.
<ANSI string>.ToNum (Function)
Returns the numeric value of a character string. This feature enables you to perform numeric calculations on strings.
<Source>.BuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
HBuildKeyValueANSI (Function)
Whatever the platform used, the data stored in HFSQL data files is in ANSI format.
StringToNum (Function)
Returns the numeric value of a character string. This feature enables you to perform numeric calculations on strings.
HBuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
ChronoValue (Function)
Indicates the time elapsed (in milliseconds) since the call to ChronoStart.
LocalStorageGet (Function)
Retrieves a value from the local storage.
Val (Function)
Returns the numeric value of a character string.
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
<Array>.Min (Function)
Returns the lowest value in the array.
Min (Function)
Returns the lowest value.
Data persistence
The data persistence is used to store the value typed by the user...
<Array>.Max (Function)
Returns the greatest value in the array.
Modifying an SVG image (XML functions)
SVG (Scalable Vector Graphics) is a vector image format......
HStatNbDuplicates (Function)
Returns the number of duplicates for a given key item.
sParameter (Function)
Defines or modifies the parameters for configuring the specified serial port, parallel port...
Stored procedures and queries (HFSQL Client/Server)
The stored procedures are used to simplify the development and the maintenance of your applications...
RadioButtonDelete (Function)
Deletes an option from a Radio Button control.
Native SQL Server Connector: Programming with HFSQL functions
To use an SQL Server database with Native Connector, the structure of SQL Server tables must...
Constructor and destructor
When creating a class in the code editor, the Constructor and Destructor methods are automatically...
HReadFirst (Function)
Sets the position on the first record according to a browse item.
Serialize (Function)
Transforms the following elements into a specific format: a structure (and its subelements),...
Database parameters (Setup program)
The setup program creation wizard includes the setup of the database along with the application...
2. My first window
WINDEV Tutorial: WINDEV overview Lesson 2 - My first window - 30 min
Variables for managing the Drag and Drop
AppointmentModify (Function)
Modifies the current appointment: in a Lotus Notes or Outlook calendar. in the calendar found...
The different types of Table controls: populated programmatically, with or without access to the data source
WINDEV, WEBDEV and WINDEV Mobile allow you to use......
TableAddLineWithAnimation (Function)
Adds a row to a Table or TreeView Table control with an animation.
FTPGetFile (Function)
Transfers a file from an FTP (File Transfer Protocol) server to the current computer.
MapPolygon (Type of variable)
The MapPolygon type is used to define the characteristics of a polygon to be drawn on the map...
WEBDEV administrator: Installed sites
The "Sites" tab gives information about the dynamic WEBDEV sites installed on the computer......
Instantiation of an object
To access a class, the object must be declared as being part of the class to handle, this is called...
TableSort (Function)
Sorts a Table or TreeView Table control on one or more columns (lexicographical sort).
TableModifyLine (Function)
Modifies a row in: a Table control, a TreeView Table control....
Managing cookies
A cookie is an easy way to temporarily store information on the user's computer......
ThreadExecute (Function)
Starts the execution of a secondary thread.
HBackward (Function)
Moves backward several records from the current position in the data file, according to a specified...
HForward (Function)
Moves several records forward from the current position in the data file, according to a specified...