ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Creating an executable: Data file directory
Two types of directories can be configured when creating the executable......
Real-time chart
This type of chart is used to represent a permanent data flow in real time......
Data source (Type of variable)
A Data source variable is used to describe a temporary data source (query, view, alias, ...)
Day (Property)
The Day property is used to: Get the day from a Date or DateTime variable, or get the number of days from a Duration variable. Change the day of a Date or DateTime variable, or change the number of days of a Duration variable. Get the day or the number of days from a Date item (in "Date", "Date and Time" or "Duration" format) Modify the day or the number of days in a Date item (in "Date", "Date and Time" or "Duration" format)...
HFSQL Control Center: HFSQL Client/Server backups
The HFSQL Control Center is used to manage the backups of HFSQL Client/Server data files......
Start of Document block
The Start of document block is printed once at the beginning of the report execution......
Saving entered data (AAF)
Aliases on data files: HAlias
The aliases are used to handle......
Application triggers
...A trigger is a WLanguage procedure automatically called by the HFSQL engine whenever a modification is performed (addition, deletion, modification, ...) on a record of a data file....
MinValue (Property)
The MinValue property is used to: get and set the bottom value of a report based on a data file. get the minimum value of the current filter. get the minimum value of a data series in a chart. get and set the minimum value for some types of controls....
spMatchesDescription (Property)
The spMatchesDescription property determines if the parameters (key derivation function, hash algorithm, iteration count and output length) of the item of type "Password" in the data file match the parameters described programmatically or in the analysis.
Database parameters (Setup program)
The setup program creation wizard includes the setup of the database along with the application and suggests additional elements......
Compression / encryption functions
Encryption and compression functions...
Binding an Image control to an item
An Image control can correspond to an item found in a data file, in a query, ......
Declaring and using a variable
A variable is defined by name and type......
Managing connections
WINDEV, WEBDEV and WINDEV Mobile propose different methods for describing a connection......
Client/Server transactions: Available isolation modes
The HFSQL engine proposes to isolate the transactions......
The OLE control
The OLE control is used to handle an OLE object......
Binding a List Box control to an item
A List Box control can be bound to an item in a data file, query, etc....
Control Centers: Working in offline mode
When working on a laptop computer or on an offline computer, you may want to continue working with the data found in the Control Centers (schedule management, quality management, etc....
<Chart>.SeriesType (Function)
Defines the type of series used in a composite chart (chart containing several types of charts).
grSeriesType (Function)
Defines the type of series used in a composite chart (chart containing several types of charts).
SQLColumnFormat (Function)
Returns the different types of columns supported: by the data source identified by SQLConnect by the database accessed by a specific connection (connection described in the analysis or described by HDescribeConnection or HOpenConnection)....
<Source>.ChangeDir (Function)
Changes the path to a data file (i.e. directory in which the file will be handled).
WDOptimizer: Overview
The different operations that can be performed with WDOptimizer are as follows......