ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Creating a delete query
A delete query (corresponding SQL statement...
HSuggestKey (Function)
Returns a list of keys to add to data files to improve query performance.
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...
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Creating a query
Two methods can be used to create a query...
Items used in a select query
A query created in the query editor can contain several types of items...
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...
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Create an insert query
An insert query (corresponding SQL statement...
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...
Joins between the data files of a select query
When several data files are used in a query, the query editor automatically searches for the links between these files defined in the analysis...
Code history
The code history is used to...
Environment of the query editor
Creating a select query
A select query (corresponding SQL statement...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Select query description window
The description window of a select query includes several sections...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Example for creating a select query
This help page explains how to create two select queries...
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...
Test of a query
The query editor allows you to run the test of query result...
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.
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...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
EventOpen (Function)
Opens a synchronization event between several threads.
FinFutureVal (Example)
Usage example of the FinFutureVal function
Compile (Example)
Usage example of the Compile function
Dynamic Island
One major feature of the latest iPhone is the Dynamic Island, which transforms the black notch into a widget......
HTTPRequest (Function)
Starts an HTTP request on a server.
Information 302: Ambiguity between a variable and a control
The Organizer control
The Organizer control is used to display and handle organizers......
TableMoveColumn (Function)
Moves a column in a Table or TreeView Table control.
HOpen (Function)
Opens a data file.
Specific features of the applications for iPhone/iPad
Designing a supercontrol
A supercontrol is an advanced type of control......
HCreateSubscriberReplica (Function)
Creates the description file of a subscriber replica.
FinCurrentVal (Example)
Usage example of the FinCurrentVal function
Configuring the titles of columns (Table control)
The title of table columns is an important element of Table control......
Creating index keywords
Index keywords allow users to easily find a help page......
The Web Camera control
...The Web Camera control is used to view a file that is refreshed at regular time intervals....
HReadLast (Function)
Sets the position on the last record of a data file according to a browse item.
DisplayedItemImage (Property)
The DisplayedItemImage property is used to: Get the item that corresponds to the image displayed in a ListView control. Change the item that corresponds to the image displayed in a ListView control....
The TimeLine control
The TimeLine control is used to represent chronologies of close events that can be parallel....
1. My first Android/iOS project
WINDEV Mobile tutorial: My first Android/iOS application Lesson 1 - My first Android/iOS project - 1 hr...
Creating links
Links help users navigate the help system......
Characteristics of an indexed control
Characteristics of an indexed control: description, code, ......
PageToFile (Function)
Automatically updates: the value of the items in a data file with the value of the controls in the page. The data file items bound to the window controls are automatically updated with the values of these controls. the value of the WLanguage variables with the value of the window controls. The WLanguage variables bound to the page controls are automatically updated with the values of these controls. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
SourceFromWindow (Function)
Automatically updates: the values of a data file's items in memory with the values from the controls in the window. the value of the WLanguage variables with the value of the window controls. This function is also available for WEBDEV pages....
Plane (Property)
The Plane property is used to: Get: the active plane of a window (or report) or the plane to which a control belongs. the active plane of a WEBDEV element. Change: the active plane of a window (or report) or associate a control with another plane. the active plane of a WEBDEV element....