ONLINE HELP
 WINDEV, WEBDEV AND WINDEV MOBILE

Version: 2025
Carrying over the differences from an element to another one
The project comparator is used to compare two elements and to list the differences found...
Creating a query
Two methods can be used to create a query...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
Modifying the values displayed in the result of a select query
In the result of a select query, you have the ability to only display...
Select query description window
The description window of a select query includes several sections...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
Items used in a select query
A query created in the query editor can contain several types of items...
Select query: Displaying the first/last n records
The editor of Select queries is used to limit the number of records that will be displayed in the result of the query.
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Creating a select query
A select query (corresponding SQL statement...
Example for creating a select query
This help page explains how to create two select queries...
Query: Displaying the records corresponding to a given period
When a "Date" item is found in the query, you have the ability to only select the records corresponding to a given period...
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Creating a delete query
A delete query (corresponding SQL statement...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Static control properties
List of properties associated with a Static control...
restRequest (Type of variable)
The restRequest type is used to define the advanced characteristics of a REST request.
Check Box control properties
Several WLanguage properties can be used on the Check Box controls found in a window, in a page or in a report......
DndTarget (Property)
The DndTarget property determines and changes how a control behaves in a drag-and-drop operation.
grParameter (Function)
Retrieves or modifies a chart parameter.
Changing an application to 64-bit
WINDEV allows you to develop 64-bit applications......
The different types of buttons in a window
WINDEV and WINDEV Mobile include 5 types of buttons......
Camera control: decoding bar codes
In iOS and Android, bar codes can be decoded via the Camera control using BCCapture......
TraceBuild (Function)
Displays a customizable message in the trace window opened in parallel with the current window.
Creating a branch
A branch is used to create a copy of the current project in order to perform modifications, additions, etc....
User Groupware
A Windows application, an Internet or Intranet site require to define the role of different contributors......
Handling Bar Code controls programmatically
WINDEV, WEBDEV and WINDEV Mobile allow you to programmatically handle Bar Code controls......
Structure of log files (HFSQL Classic)
The following files are automatically created when logging an HFSQL Classic data file......
Conversion (Function)
Converts a value from a unit to another one.
ServiceWait (Function)
Pauses the current service during the specified duration.
LoadDLL (Function)
Loads the specified library (DLL) in memory.
Control constants
List of constants used by the functions for managing controls...
Composite keys
A composite key is a key item containing several other items......
CSS styles (Cascading Style Sheet)
The CSS styles are the standard styles used on Internet......
Tab order in a window, a page, etc.
The tab order of the controls found in a window or in a page describes the order in which the controls take focus in a window when the user presses the [Tabulation] key......
How to include secure payment in a WEBDEV site?
This help page explains how to add a secure payment into a WEBDEV site......
dSaveImagePNG (Function)
Saves an image: in a PNG file. in memory....
dSaveImageGIF (Function)
Saves an image: in a file in GIF format. in memory....
dSaveImageBMP (Function)
Saves an image: in a file in BMP format. in memory....
eChangeCurrency (Function)
Converts a currency into another currency.
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