ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Create an insert query
An insert query (corresponding SQL statement...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
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...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
HSuggestKey (Function)
Returns a list of keys to add to data files to improve query performance.
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...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
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...
Example for creating a select query
This help page explains how to create two select queries...
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...
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...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Test of a query
The query editor allows you to run the test of query result...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
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).
Handling the framesets
The different operations that can be performed on the framesets are as follows......
FaxInbox (Function)
Enumerates the pending faxes or the incoming faxes.
WDAdminHF: Managing the data files
The remote HFSQL administrator proposes a full management of the HFSQL Client/Server databases......
FaxDisconnect (Function)
Closes a connection to a fax server (established beforehand by FaxConnect).
HScheduledTask structure
The HScheduledTask structure is kept for backward compatibility (this structure will still be supported in the forthcoming version)....
MemoryCurrency (Property)
The MemoryCurrency property is used to get and change the currency used when manipulating a "Currency + Euro" control programmatically.
FaxResume (Function)
Re-enables a fax paused in the spooler (pending fax).
Shared information
The information entered when creating the files and the items is shared throughout the environment......
FaxPause (Function)
Pauses a fax in the spooler.
TableStartFilling (Function)
Starts the process to populate a Table or TreeView Table control programmatically.
LooperStartFilling (Function)
Starts the process to populate a Looper control programmatically.
Frequently asked questions about HFSQL Cluster
Frequently asked questions about HFSQL cluster....
Create the help system in WINDEV, WEBDEV or WINDEV Mobile
These are the main steps to create a help file (HTML, CHM or PDF)......
Automatic Application Features (AAF) constants
List of constants used by the Automatic Application Features (AAF) functions....
HAccelerateSpeed (Function)
Reorganizes the internal structure of the indexes to optimize the speed for accessing the data.
Sequencing reports
In some cases, you may want to print several reports one after another, and view them in the same print preview....
HDBCreation (Function)
Ends the description of the structure of an xBase data file through programming.
The Camera control
The Camera control is used to view the video captured by a camera connected to the current computer....
FaxStatus (Function)
Returns the status of a fax that was sent by FaxSend.
Report based on a variable (Data binding)
A report based on a variable is used to directly print the information found in a WLanguage variable......
2. Development
WINDEV Mobile Tutorial: Developing an Android and iOS application Lesson 2 - Development - 30 min
iParameterDuplicate (Function)
Configures the automatic creation of the duplicate copy generated during the next print.
MinHeight (Property)
The MinHeight property is used to get and change the minimum height of a control or window.
HIndex (Function)
Rebuilds the file index (".NDX" file).