ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Managing the HDFS system
HDFS (Hadoop Distributed File System) is one of the component of the Hadoop framework......
WDInst: configuring the characteristics of the file setup
WDInst is used to configure the installation of files......
Restoring a project backup
WINDEV, WEBDEV and WINDEV Mobile allow you to regularly save the different elements of your project in an archive file (ZIP extension)......
Downloading files
The download is the operation that consists in saving a file stored on the server onto the computer of Web user......
FAQ about Windows Vista and later
This help page presents a list of problems that may occur when using Windows Vista and later......
Testing the WEBDEV Application Server setup with an example
HFSQL data files exceeding 2 gigabytes
By default, the HFSQL engine allows you to manage large data files (up to 2 gigabytes)......
fReadLineRegularExpression (Function)
Reads a line in an external file, gets sections of this line according to a regular expression and assigns them to a variable.
HTrack (Function)
Starts tracking write actions (addition, modification or deletion) performed on a file found in an HFSQL server.
SysDirExternalStorage (Function)
Returns the path of the directory that will be used to store files in the external storage space of the Android device.
GridlinesVisible (Property)
The GridlinesVisible property is used to: Determine whether or not gridlines are visible in a control. Show or hide gridlines in a control....
pdfDocument (Type of variable)
The pdfDocument type gets all the characteristics of a PDF file: author, date created, page content, etc.
<Source>.RecNum (Function)
Returns: the number of the current record in the HFSQL data file. the number of the current record in the HFSQL view....
<Source>.SeekFirst (Function)
Positions on the first file record whose value for a specific item is greater than or equal to a sought value.
<Source>.Track (Function)
Starts tracking write actions (addition, modification or deletion) performed on a file found in an HFSQL server.
HRecNum (Function)
Returns: the number of the current record in the HFSQL data file. the number of the current record in the HFSQL view....
HSeekFirst (Function)
Positions on the first file record whose value for a specific item is greater than or equal to a sought value.
fDateTime (Function)
Returns or modifies the different dates and times associated with a file or directory (date created, modified or accessed).
MemoryToFile (Function)
Automatically initializes the memory value of the items for the current file record with the values of the members of a class or structure.
FileToMemory (Function)
Automatically initializes the values of the members found in a class or in a structure with the values of the items of the current file record.
<DiskFile variable>.ReadLineRegularExpression (Function)
Reads a line in an external file, gets sections of this line according to a regular expression and assigns them to a variable.
GglFile (Type of Variable)
The GglFile type allows you to know all the characteristics of a file from the Google software suite (Docs, Sheets, etc.).
Example for managing videos (broadcasted by a Camera control)
In this example, the application allows you to......
Combo Box columns in Table controls
A Table control (populated programmatically, based on a data file or based on a variable) can include Combo Box columns......
How to create a patch?