ONLINE HELP
 WINDEV, WEBDEV AND WINDEV MOBILE

Version: 2025
Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
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...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
Test of a query
The query editor allows you to run the test of query result...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
Joins between the tables of a select query
When several tables are used in a query, the query editor automatically searches for the links between these tables described in the database schema...
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Creating an insert query
An insert query (corresponding SQL statement...
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) ...
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...
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...
Result of a query in test mode
After its execution in test mode (see Running the query test), the result of the query can be...
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...
Creating a select query
A select query (corresponding SQL statement...
Discover all the possibilities of pivot tables
The Clickable Image control
The Clickable Image control can be used to......
AnimationSetMode (Function)
Changes the type of animation: for an image in an Image control. for a text in a static control....
HSynchronizeReplica (Function)
Synchronizes the master replica and the subscriber replica: the operations performed on one of the replicas are transferred into the other replica.
Creating the Vision pages of the WEBDEV RAD pattern
TableMoveLine (Function)
Moves a row or swaps two rows in a Table control.
Reset (Function)
Reinitializes: all the controls found in the current window or page (including the groups of controls, the supercontrols and the internal windows). the controls found in a group of controls, a supercontrol, an internal window or an internal page....
dbgEndMemoryDiff (Function)
Saves a memory dump containing the memory resources that have been allocated and that have not been freed since the previous call to dbgStartMemoryDiff.
SpeechRecognitionDeleteCommand (Function)
Deletes a voice command previously added with SpeechRecognitionAddCommand.
fDelete (Function)
Deletes a file accessible from the current computer.
HRecordToXML (Function)
Retrieves the structure and the value of the current record and exports them into a character string in XML format.
Testing a Mobile application
By testing the project you can simulate how the application will run when launched by the user......
Animating the windows of a WINDEV application
To give your applications an outstanding style and to impress the users when starting your applications, the windows can be animated when they are opened and/or closed......
Error 301: Unknown identifier
Time management
For each element (windows, reports, ......
DoubleClick (Property)
The DoubleClick property is used to get and change the name of the Button control that will be executed when a control is double-clicked.
LabelWidth (Property)
The LabelWidth property is used to: Find out the width of labels in a "Label" report. Modify the width of labels in a "Label" report....
TableAdjust (Function)
Adjusts the title and size of columns found in a Table or TreeView Table control.
User (Property)
The User property is used to manage the user of a connection (HFSQL Client/Server, OLE DB, etc.)....
fFileName (Function)
Returns the name of an external file that is currently opened.
SchedulerDeleteAppointment (Function)
Deletes an appointment from a Scheduler control.
SchedulerDeleteAll (Function)
Deletes all appointments and resources from a Scheduler control.
SchedulerListAppointment (Function)
Returns: the list of appointments found between two dates in a Scheduler control, all the appointments found in a Scheduler control, a specific appointment (selected or hovered)....
SchedulerTimeDisplayed (Function)
Defines the time range displayed by the Scheduler control in Day mode or in Week mode.
EmailReadNext (Example)
Usage example of the EmailReadNext function
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