ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

HDBOpen (Function)
Opens the xBase data file and the "memo" file if it exists.
HDBIndex (Function)
Opens an xBase index file.
xBase files: Limits
HDBSortType (Function)
Returns or modifies the sequence of text items in the xBase files.
HDBOpenNoLock (Function)
In single-user mode, opens an xBase data file without locking it.
Multi-database queries
A query (typed in SQL code) can operate on different databases......
ODBC driver for HFSQL Classic and for HFSQL Client/Server (Windows)
The ODBC driver for HFSQL Classic (single-user or multi-user) is used to access an HFSQL Classic database from an external database software that supports the accesses by ODBC......
Extended (Property)
Extended is used to: Find out whether a Font variable is extended. Extend (or not) a Font variable. This property is kept for backward compatibility....
Italic (Property)
The Italic property is used to: Find out whether a Font variable is in italic type. Modify the italic attribute of a Font variable....
Large (Property)
Large is used to: Find out whether a Font variable is enlarged. Enlarge (or not) a Font variable. This property is kept for backward compatibility....
MenuIsMarked (Function)
Used to find out whether a checkmark is displayed in front of a menu option (popup menu or drop-down menu).
IsNumeric (Function)
Enables you to find out whether a variable or a control is: a numeric (integer, real, currency or numeric). a string that can be converted into numeric....
EmailAddFolder (Function)
Adds a folder into the messaging software (Outlook, messaging software using the IMAP protocol (Internet Message Access Protocol), ...).
EmailSeekFirst (Function)
Finds one or more emails according to the criteria specified in the messaging software (Outlook, messaging software using the IMAP protocol, ...).
iAreaHeight (Function)
Calculates the height of a fixed-width area required to print the entire text that uses the current font.
<WDPic variable>.VerticalSymmetry (Function)
Flips an image contained in a WDPic variable (in the background layer) with respect to a vertical axis (symmetry with respect to a vertical axis).
xlsAddWorksheet (Function)
Adds or inserts a new worksheet into an Excel document.
<TreeView>.Display (Function)
Refreshes a TreeView control from a given position.
KeyExpression (Property)
The KeyExpression property is used to set the different components of a composite key.
pdfControl (Variable type)
The pdfControl type is used to get all the characteristics and values of a control present in a PDF form.
The matrices
WINDEV, WINDEV Mobile and WEBDEV propose several functions used to handle matrices......
Shared memory area functions
fReportsAndQueriesDir (Function)
Returns: the full path of the directory for the custom reports and queries. This directory corresponds to the directory of the reports and queries visible by the user who created them. the full path of the directory for the shared reports and queries. This directory corresponds to the directory of the reports and queries visible by all the application users....
How to manage a multi-selection in a List Box control?
This help page explains how to manage a multi-selection in a List Box control....
Describing the Action Bar control
This help page presents the main aspects of the Action Bar description window......
Recycle bin management functions
List of functions for managing the recycle bin...
fExeDir (Function)
Returns the directory from which the execution is started.
FormulaBarVisible (Property)
The FormulaBarVisible property is used to: Find out whether a formula bar is displayed in a Spreadsheet control. Display (or not) a formula bar in a Spreadsheet control....
MarginInterCell (Property)
The MarginInterCell property is used to: find out the margin between rows or columns in a Layout control. modify the margin between rows or columns in a Layout control....
EmptyIfZero (Property)
The EmptyIfZero property is used to: Find out the management mode of zero value in a control. Modify the management mode of zero value in a control...