ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Utility components
WINDEV includes several utility components that allow you to handle data directly......
11. Choosing the action of a button/link
NFC: Transferring data
NFC (Near Field Communication) is a wireless communication technology at short range and high frequency used to exchange data (named "tag") between two devices or between a device and a bullet even at short distance (few centimeters)......
nWDEvaluate: Evaluating the value of an element
Evaluating the value of an element......
nWDExecute: Running a WLanguage function
Running a WLanguage function by dynamic compilation with command formatting......
xxWDGetReturnValue
Used to retrieve the return value further to a call to nWDEvaluate, nWDExecute or nWDExecuteEx......
nWDExecuteEx: Running a WLanguage function
Runs a WLanguage function by dynamic compilation, without command formatting......
nWDGetHFContext: Get the HFSQL context
Gets the HFSQL context (applies to C, Pascal and Visual Basic only)......
nWDGetLastError: Error code of last error
Error code of last error......
nWDInitProject: Initialization code of project
Run the initialization code of project......
nWDSetCallbackNext
Set the "callback" called when using the WDKEY and RETURNWDKEY keywords for the next window to open (in C, Pascal and Visual Basic only)......
pszWDGetLastError: Message of last error
Retrieves the message corresponding to the last error that occurred......
WDContinueError: Resume on error
This function forces the execution to resume after an error......
wWDGetReturnValueType
Type of the return value of the last nWDExecute, nWDExecuteEx or nWDEvalue statement]......
fDirectoryExist (Function)
Checks the existence of a directory.
fIsImage (Function)
Used to find out whether a file found on disk or a file contained in a buffer corresponds to an image format recognized by WINDEV, WEBDEV or WINDEV Mobile.
fParentDir (Function)
Returns the path of the parent directory for the specified directory.
HsMenu,Label (Function)
Modifies the caption of a menu option.
LINUX: Accessing the ODBC databases
The native access to HFSQL Classic and Client/Server is available for the WINDEV applications running in Linux ("console" applications) and for the WEBDEV sites hosted in Linux......
The different types of browse available in SQL
Two types of browse can be used to browse the result of a query run by SQLExec......
fBuildRelativePath (Function)
Returns the path to a file relative to a reference directory.
DiskFile (Type of variable)
The DiskFile type is used to handle text files present on disk.
Different types of data (Type of variable)
A variable is defined by name and type......
fDirExist (Function)
Checks the existence of a directory.
WDStatistics: Overview
WDStatistics is a tool used to perform statistical calculations regarding the traffic of your dynamic WEBDEV sites......