ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Select query description window
The description window of a select query includes several sections...
Creating an insert query
An insert query (corresponding SQL statement...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Example for creating a select query
This help page explains how to create two select queries...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a 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...
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, ...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
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.
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 defined in the database schema...
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Creating a query
Two methods can be used to create a query...
Creating a select query
A select query (corresponding SQL statement...
HSuggestKey (Function)
Returns a list of keys to add to tables to improve query performance.
Test of a query
The query editor allows you to run the test of query result...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
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...
Creating a delete query
A delete query (corresponding SQL statement...
Code history
The code history is used to...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
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...
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...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Items used in a select query
A query created in the query editor can contain several types of items...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
Mobile-friendly website: available methods
WEBDEV includes several page creation methods that allow you to create mobile-friendly websites......
ToolTip (Property)
The ToolTip property is used to get and change the text displayed in the tooltip associated with a window or page control.
FaxOutbox (Function)
Enumerates the pending faxes or the outgoing faxes.
grExist (Function)
Checks the existence of a chart in memory.
FaxInbox (Function)
Enumerates the pending faxes or the incoming faxes.
2. Analysis in practice
RightClick (Property)
The RightClick property gets and sets the name of the Button control that will be executed when an object is right-clicked.
MinHeight (Property)
The MinHeight property gets and sets the minimum height of a control or window.
WDAdminHF: Managing the data files
The remote HFSQL administrator proposes a full management of the HFSQL Client/Server databases......
Handling the report blocks through programming
Each report block is associated with different events......
Maximized windows for Android
A maximized window occupies the entire screen of the mobile device....
The Slider control (in a page)
WEBDEV proposes two types of sliders......
FaxDisconnect (Function)
Closes a connection to a fax server (established beforehand by FaxConnect).
HReadSeekLast (Function)
Sets the position on the last record whose value for a specific item is less than or equal to a sought value (exact-match search).
HScheduledTask structure
The HScheduledTask structure is kept for backward compatibility (this structure will still be supported in the forthcoming version)....
The different types of windows
The following types of windows can be created in a WINDEV application......
CustomMenu
The CustomMenu allows you to create a custom menu in the menu bar of WINDEV, WEBDEV and WINDEV Mobile......
FaxResume (Function)
Re-enables a fax paused in the spooler (pending fax).
MemoryCurrency (Property)
The MemoryCurrency property is used to get and change the currency used when manipulating a "Currency + Euro" control programmatically.
TableStartFilling (Function)
Starts the process to populate a Table or TreeView Table control programmatically.