ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

FAQ about Windows Vista and later
This help page presents a list of problems that may occur when using Windows Vista and later...
The UAC mechanism in Windows Vista (and later)
To increase security against worms and viruses, Windows Vista/7 implemented the UAC (User Account Control) mechanism...
Creating an executable: Manifest management
When running an executable, Windows Vista (and later) performs several checks regarding the rights of the current user via the UAC mechanism (User Account Control)...
Difference of behavior in Windows Vista (and later)
The test of your project was run using one of the Vista/7 test options...
Windows: What to bear in mind if your customers use Vista (and higher)
Windows Vista (and later) proposes several improvements...
LocalStorageOccurrence (Function)
Returns the number of values for the local storage.
LocalStorageDeleteAll (Function)
Deletes all the values from the local storage.
LocalStorageValueName (Function)
Returns the name of a value for the local storage.
ToastDisplay (Function)
Displays a "Toast" message.
EventCreate (Function)
Creates an event.
HVersion (Function)
Used to find out: whether the content of a file was modified. whether the content of a file used by a query was modified....
MapEndOfMove (Function)
Stops following the device movement in a Map control.
dRectangle (Function)
Draws a rectangle: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
dPolygon (Function)
Draws a polygon: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
fEncrypt (Function)
Encrypts a file in binary or ASCII format.
EmailReadFirst (Function)
Reads the first incoming email according to the protocol used (POP3 or IMAP, MS Exchange, Lotus Notes or Outlook).
Burning a CD/DVD
Several WLanguage functions are used to burn the CDs or DVDs......
BurnerMediaType (Function)
Used to find out and modify the format of the CD or DVD to burn.
RoundCeil (Function)
Returns: the value rounded up to the nearest integer. the duration rounded up to the nearest interval. the date and time rounded up to the nearest interval....
LooperInsert (Function)
Inserts a row into a Looper control.
IntegerToDate (Function)
Converts an integer into a date in YYYYMMDD format.
MatStack (Function)
Compresses the memory footprint occupied by a matrix.
MatInvert (Function)
Calculates the inverse of a square matrix.
MatTranspose (Function)
Calculates the transposed matrix.
HSortView (Function)
Sorts an HFSQL view by creating an index on a view item. This function uses the former view mechanism.
grScatterSeriesColor (Function)
Initializes the color of a series in a "Scatter" chart.
grGradient (Function)
Enables or disables the display of color gradients in a chart.
FaxSend (Function)
Sends a fax according to the connection that was established beforehand (FaxConnect).
HListKey (Function)
Returns the list of keys found in a file (query or view) recognized by the HFSQL engine.
User (Property)
The User property is used to manage the user of a connection (HFSQL Client/Server, OLE DB, etc.)....