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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

NULL values in HFSQL
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the NULL value in the items of the HFSQL data files and for all the other types of accesses (Native, OLE DB, ...
Max (Function)
Returns the greatest value passed as parameter.
<ANSI string>.ToNum (Function)
Returns the numeric value of a character string. This feature enables you to perform numeric calculations on strings.
<Source>.BuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
HBuildKeyValueANSI (Function)
Whatever the platform used, the data stored in HFSQL data files is in ANSI format.
StringToNum (Function)
Returns the numeric value of a character string. This feature enables you to perform numeric calculations on strings.
HBuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
ChronoValue (Function)
Indicates the time elapsed (in milliseconds) since the call to ChronoStart.
LocalStorageGet (Function)
Retrieves a value from the local storage.
Val (Function)
Returns the numeric value of a character string.
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
<Array>.Min (Function)
Returns the lowest value in the array.
Min (Function)
Returns the lowest value.
Data persistence
The data persistence is used to store the value typed by the user...
<Array>.Max (Function)
Returns the greatest value in the array.
EmailAddress (Type of variable)
The EmailAddress type is used to handle an email address as well as its type (home, office, etc.).
Properties associated with the rows of a TreeView control
The rows of TreeView controls in a window or page can be manipulated using different WLanguage...
DayHeight (Property)
The DayHeight property is used to get and change the height of days in a Scheduler control...
Unavailable functions and properties
Some functions and properties have been removed from WLanguage......
Constants used by the replication between HFSQL servers
The following constants are used by the replication between HFSQL servers:...
StatVarianceP (Example)
Usage example of the StatVarianceP function
MatReadColumn (Example)
Usage example of the MatReadColumn function
StatError (Example)
Usage example of the StatError function
MatReadLine (Example)
Usage example of the MatReadLine function
HTMLClassToggle (Function)
Toggles a class in the HTML classes of a control: if the class does not exist, it is added;...
gpwSupervisor (Function)
Returns the username of the "Supervisor" account according to the framework being used.
DayWidth (Property)
The DayWidth property is used to determine and change the width of days: in a Scheduler control...
MatRead (Example)
Usage example of the MatRead function
RadioButtonInsert (Function)
Inserts a new option into a Radio Button control.
WLanguage procedure called by fListDirectory
Procedure ("Callback") called by fListFile for each file found.
grLabel (Function)
Indicates various parameters of additional legend in a chart.
Upload control properties
The Upload control can be handled in server code and in browser code by the WLanguage properties......
WLanguage procedure called by fCopyFile
WLanguage procedure ("callback") called by fCopyFile for each copied file.
Properties associated with a TreeMap element
The following properties can be used with an element of a TreeMap control......
EditDeleteToken (Function)
Deletes a token from a "Text token" Edit control.
Action Bar control events
Handling a Repositionable Note control through programming
A Repositionable Note control can be handled through programming......
InvalidInputListControl (Function)
Builds a list of controls that require data input/contain invalid data....
Class diagram
A class diagram describes the structure of a system via classes and the relationships among them......
ImageMode (Property)
The ImageMode property is used to get and change the display mode of an image in an Image control,...