ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

H.VisibleAutoIndexing (Variable)
Indicates whether the indexing window must be displayed during the automatic reindexing of HFSQL data files.
iPrintBarCode (Function)
Prints a bar code (inside a rectangle).
iCreateFont (Function)
Creates a new print font.
VideoStartApp (Function)
Starts the device's native camera application to record a video or to take a photo....
Filling a Chart control
The data that will be displayed in the Chart control can come from......
Storing files in Android
The file system on the devices running Android is divided into two main storage areas......
sClose (Function)
Closes the specified serial port, parallel port or infrared port.
rssStream (Variable type)
The rssStream type is used to handle a RSS feed...
PageToFile (Function)
Automatically updates: the value of the items in a table with the value of the controls in the page. The table items bound to the window controls are automatically updated with the values of these controls. the value of the WLanguage variables with the value of the window controls. The WLanguage variables bound to the page controls are automatically updated with the values of these controls. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
SQL set operations: UNION, UNION ALL and INTERSECT
SQL allows performing set operations on groups of files......
AWP without UI
Bootstrap, Angular, React, Vue......
SocketChangeTransmissionMode (Function)
Changes the transmission mode used on a socket.
HDescribeLink (Function)
Describes a link between two data files through programming.
fSeek (Function)
Gets and sets current position in an external file.
Component (Property)
The Component property configures the different components of a composite key.
SourceFromWindow (Function)
Automatically initializes: the values of a table's items in memory with the values from the controls in the window. the value of the WLanguage variables with the value of the window controls. This function is also available for WEBDEV pages....
Chart control: "General" tab
In all the editors (window, page or report), the "General" tab of the Chart control description window allows you to define the global characteristics of the control......
6. Procedures
WINDEV Tutorial - WLanguage basics Lesson 6 - Procedures - 20 min
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)......
sWrite (Function)
Writes a character string to the output buffer of the specified serial port, parallel port or infrared port.
WINDEV and the streams - Use example
In this example, the application must manage a video conference between two computers......
HashString (Function)
Calculates the Hash of a character string according to a specific algorithm.