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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Bar Code functions
The following functions are used to manage bar codes:
The Bar Code control
The Bar Code control displays bar codes in your windows, pages or reports...
CameraStopDecoding (Function)
Stops decoding bar codes in a Camera control.
Printing bar codes
WINDEV, WEBDEV and WINDEV Mobile allow you to print bar codes.
BCCalculateControlCharacter (Function)
Returns the check code of a bar code.
<Camera>.StopDecoding (Function)
Stops decoding a bar code in a Camera control.
Decoding bar codes using a Camera control
In iOS and Android, bar codes can be decoded via the Camera control using BCCapture...
iPrintBarCode (Function)
Prints a bar code (inside a rectangle).
BCToImage (Function)
Generates the image of a bar code.
Managing bar codes
The use of bar codes to identify and manage products has become essential...
<Camera>.StartDecoding (Function)
Starts decoding bar codes in a Camera control.
VideoStopDecoding (Function)
Stops decoding a bar code in a Camera control.
BCCapture (Function)
Decodes the information stored in a bar code by using the device camera (Android, iPhone, iPad).
CameraStartDecoding (Function)
Starts decoding bar codes in a Camera control.
Camera field: decode bar codes (prefix syntax)
In iOS and Android, bar codes can be decoded via the Camera control using BCCapture...
VideoStartDecoding (Function)
Starts decoding bar codes in a Camera control.
Reading bar codes
WINDEV, WEBDEV and WINDEV Mobile allow you to create applications for reading bar codes...
BCDecode (Function)
Decodes the information stored in a QR Code bar code.
fRemoveDir (Function)
Deletes a directory from a disk.
Left (Function)
Extracts the left part (i.e., the first characters) from a string or buffer.
fBuildPath (Function)
Builds a complete file path from the directory and short name of a file. This function is mainly used to get a valid file name without having to worry about the presence of separators in the path ('/' or '\') or about their direction according to the platform....
MatDeterminant (Function)
Calculates the determinant of a square matrix (the number of rows is equal to the number of columns).
MatRead (Function)
Reads the value of a matrix element.
SQLClose (Function)
Declares the end of the query execution and frees the memory resources allocated during the execution of the query.
Default (Property)
The Default property is used to determine if a parameter has been passed to a procedure with a custom or default value.
StringDelete (Function)
Deletes: all the occurrences of a substring within a string. part of a string within another string. The part of the string to remove is identified by its position and length....
TableMoveColumn (Function)
Moves a column in a Table or TreeView Table control.
SQLReqExists (Function)
Checks the existence of a query.
InAutomaticTestMode (Function)
Shows whether or not an automation test is in progress.
Global and local variable
Two types of variables are available......
Native SQL Server Connector: Executing the same stored procedure multiple times
In some cases, it may be useful to execute the same stored procedure multiple times by changing one or more parameters ......
GPSFollowMovement (Function)
Requests to be notified periodically of the device's current location....
MyWindow (Reserved word)
MyWindow is used to handle the current window...
Second (Property)
The Second property is used to: Retrieve the number of seconds from a Time, DateTime or Duration variable. Modify the number of seconds in a Time, DateTime or Duration variable. Retrieve the seconds or the number of seconds from a Date item (in "Date and Time" or "Duration" format) Modify the seconds or the number of seconds in a Date item (in "Date and Time" or "Duration" format)...
Millisecond (Property)
The Millisecond property is used to: Retrieve the number of milliseconds from a Time, DateTime or Duration variable. Modify the number of milliseconds in a Time, DateTime or Duration variable. Retrieve the milliseconds or the number of milliseconds from a Date item (in "Date and Time" or "Duration" format) Modify the milliseconds or number of milliseconds in a Date item ("Date and Time" or "Duration" format)...
FontSize (Property)
The FontSize property is used to: Identify the size of the font used in a control. Change the size of the font used in a control....
TableDelete (Function)
Deletes a row from: a Table control, a TreeView Table control, a table displayed in a Combo Box control....
13. Security benefit: managing the "Back" button
TableDeleteSelect (Function)
Deletes the selected rows from a Table or Treeview Table control.
HNbRec (Function)
Returns the number of records in a file, query or HFSQL view: active records, crossed records, deleted records, etc.
StringIncrement (Function)
Increments a number at the beginning or at the end of a string.
Delete (Function)
Deletes an element at a given position: from a one-dimensional WLanguage array. from an advanced array property (array of gglCalendar events, etc.). from an associative array. from a WLanguage list....
SocketWrite (Function)
Writes a message intended to another socket.