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...
ListSelect (Example)
Usage example of the ListSelect function
ReplicationDirectory (Property)
The ReplicationDirectory property is used to manage the directory of replication files (".RPL" or ".RPM").
Event (Example)
Usage example of the Event function
CharacterSpacing (Property)
The CharacterSpacing property gets and sets the spacing between characters.
Sound (Function)
Plays a sound in WAV format.
fDirAttribute (Function)
Returns or modifies the attributes of a directory.
NbComponent (Property)
The NbComponent property is used to get the number of elements in a composite key.
SocketCreate (Example)
Usage example of the SocketCreate function
HCloseConnection (Example)
Usage example of the HCloseConenction function
fOpen (Example)
Usage example of the fOpen function
TwainState (Example)
Usage example of the TwainState function
ListDelete (Example)
Usage example of the ListDelete function
YAML (Type of variable)
The YAML type simplifies the handling of data in YAML format.
ControlClone (Example)
Usage example of the ControlClone function
grSourceCategoryLabel (Example)
Usage example of the grSourceCategoryLabel function
Window with arrow (iPad)
The principle of windows with arrow is straightforward......
Style sheet
A style sheet ("......
FTPGetFile (Function)
Transfers a file from an FTP (File Transfer Protocol) server to the current computer.
apFullProjectName (Function)
Retrieves the full physical name of a project opened during the execution of an action plan.
CtDescribedCaption (Property)
The CtDescribedCaption property is used to get and set the caption of the connection to the OLE DB data source.
DiagramLoadLibrary (Function)
Loads a diagram file and creates a library of preset shapes from it.
DotNetDelegate (Example)
Usage example of the DotNetDelegate function
Selecting the application or the files to install
WINDEV includes a wizard for generating a setup program: to install a WINDEV application. to install other files. Installing goodies for example (images, videos, ...)....
InitialWidth (Property)
The InitialWidth property is used to: Find out the initial width of a control or window. Modify the base width used to anchor the controls in "width". Find out the initial width of a report control....
<Image variable>.Font (Function)
Declares the font that will be used by dText in an Image variable.