ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

VideoSetDriver (Function)
Connects the "Camera" control to a specific driver for video capture.
MatDelete (Function)
Deletes an existing matrix.
TreePosition (Function)
Displays a TreeView control from a specified element (node or leaf) or returns the name of the first element displayed in a TreeView control.
TwainToControl (Function)
Allows you to : view the document coming from the Twain device in an Image control. view the document coming from the Twain device in the user interface of device....
TwainToGIF (Function)
Allows you to: save the document coming from the Twain device in a GIF file. view the document coming from the Twain device in the user interface of device. save the document coming from the Twain device directly in memory in GIF format (in a buffer)....
TwainToJPEG (Function)
Allows you to: save the document coming from the Twain device in a JPEG file. view the document coming from the Twain device in the user interface of device. save the document coming from the Twain device directly in memory in JPEG format (in a buffer)....
TwainToClipboard (Function)
Allows you to: copy the document coming from the Twain device into the clipboard. view the document coming from the Twain device in the user interface of device....
StatAverageDeviation (Function)
Calculates the average deviation of values in relation to their arithmetic mean.
TwainScanArea (Function)
Used to define or re-initialize the area to scan.
StatStandardDeviation (Function)
Calculates the standard deviation for a series of values.
VideoDisplay (Function)
Displays in a Camera control the video sequence currently transmitted by a "web camera" or by the camera found on the mobile device. Function kept for "Version-26-compatible" Camera controls....
StatStandardDeviationP (Function)
Calculates the standard deviation for a full series of values.
TwainToBMP (Function)
Allows you to perform one of the following actions: save the document coming from the Twain device in a Bitmap file (".BMP" extension). view the document coming from the Twain device in the user interface of the device. save the document coming from the Twain device directly in memory in Bitmap format (in a buffer)....
VideoConfigure (Function)
Allows you to configure the video capture driver.
ListDelete (Function)
Deletes an element from a List Box, ListView or Combo Box control populated programmatically.
HDeleteView (Function)
Deletes a previously created view. This function uses the former view mechanism.
HWrite (Function)
Writes a record into a data file without updating the indexes corresponding to all keys used in the file.
HResetGroup (Function)
Initializes the structure for group management (HGroup) with the default values.
HOut (Function)
Used to find out whether the record on which you want to be positioned is located outside the data file, filter, view or query.
HResetUser (Function)
Initializes the structure for user management (HUser) with the default values.
HDeleteFile (Function)
Deletes the HFSQL data files (.fic, .ndx, .ftx and .mmo files if they exist) from the server.
HDeleteGroup (Function)
Deletes (from the server) a group of users associated with a connection.
HDeleteUser (Function)
Deletes a user associated with a connection to the HFSQL server.
HErrorDuplicates (Function)
Used to check whether a duplicate error occurred.
HExtractMemo (Function)
Extracts the content of a binary memo item from an HFSQL file, a query or an HFSQL view to a physical file (on disk).