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...
Programming standard in Windows Vista and later
To increase security against worms and viruses, Windows Vista/7 implemented the UAC (User Account Control) mechanism.
Points to consider if your customers use Windows Vista (and later)
Windows Vista (and later) proposes several improvements...
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...
iPrintBodyComplement (Function)
Forces a body complement block to print while specifying the height of complement block.
iForceComplement (Function)
Forces the printing of a Body Complement block.
EmailChangeFolder (Function)
Modifies the current folder in the messaging software (Outlook, messaging software using the IMAP protocol, ...).
DateTimeLocalToUTC (Function)
Converts a local date and time (time zone, summer time, winter time) to UTC.
dModifySaturation (Function)
Modifies the saturation of an image found: in an Image control, in an Image variable....
dModifyLightness (Function)
Changes the lightness of an image found: in an Image control, in an Image variable....
grAutoRefreshSeries (Function)
Identifies or defines whether a series is refreshed whenever the chart is drawn.
iImageWidth (Function)
Calculates the width of the image to print (in millimeters).
iHLine (Function)
Prints a horizontal line at specified coordinates.
iVLine (Function)
Prints a vertical line at specified coordinates.
HExtractMemo (Example)
Usage example of the HExtractMemo function
Array (Type of variable)
An array is a structured type that is used to group a set of elements of the same type...
LeftMargin (Property)
The LeftMargin property is used to: Find out the left margin of a report. Modify the left margin of a report....
TopMargin (Property)
The TopMargin property is used to: Find out the top margin of a report. Modify the top margin of a report....
Error (External language)
Displays a dialog box containing an error logo and the message passed in parameter.
Queue (Type of variable)
A Queue variable is a structured type that groups a set of elements of the same type.
Seek (Function)
Searches for the index of an element in a WLanguage array.
Logical operators
The logical operators are as follows......
Handling the external files
WINDEV, WINDEV Mobile and WEBDEV propose several functions allowing you to manage the external files from your WINDEV/WINDEV Mobile applications or from your WEBDEV sites......
ArraySeek (Function)
Searches for the index of an element in a WLanguage array.
HFilterIdentical (Function)
Defines and enables a filter used to find the exact value of a string item.
HPass (Function)
Defines the password used to create or open a data file.
EmailReadLast (Function)
Reads the last incoming email according to the protocol used (POP3 or IMAP, MS Exchange, Lotus Notes or Outlook).
HCheckStructure (Function)
Defines the mode for comparing data files.
HLockRecNum (Function)
Locks a record and restricts the access to this record for all the other applications.