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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.
The Scrollbar control
...The Scrollbar control is used to scroll objects (text, captions, etc....
SQL commands available in an SQL query
WINDEV allows you to easily run queries in SQL code......
Pivot Table control properties
A Pivot Table control can be handled in a window by the following WLanguage properties......
JSONToVariant (Function)
Converts a JSON string to a Variant variable.
HTMLAttribute (Property)
The HTMLAttribute property reads and changes the HTML attributes of the control.
aiConfigureContourDetection (Type of variable)
The iaConfigureContourDetection type is used to define the parameters of the contour detection...
Handling an Internal Window control through programming
The "Internal Window" control is used to display an existing internal window......
pvtPosition (Type of variable)
The pvtPosition type is used to handle a cell of a Pivot Table control.
Handling a Link control through programming (Page)
WEBDEV allows you to handle a Link control through programming......
xpathResult (Type of variable)
The xpathResult type is used it find out the result of the execution of an XPATH query.
RETURN statement
The RETURN statement is used to exit a statement block and the current process (or procedure).
grParameter (Function)
Retrieves or modifies a chart parameter.
Handling a Pivot Table control through programming
A Pivot Table control can be handled through programming......
SQL selection conditions
To specify the selection conditions in an SQL query, you can use......
Managing Bluetooth Low Energy devices
The Bluetooth LE standard (for Low Energy) is used to manage devices with low energy consumption......
FileToArray (Function)
Fills an array of classes or structures with the content of an HFSQL data file or query.
HSetServer (Function)
Used to find out and modify some settings of HFSQL Client/Server server....
Events associated with a Popup control
WEBDEV manages the following events by default (order of appearance in the code editor):
Error 1008: The member of the class is protected
Error 1009: The member of the class is private
RulerValue (Property)
The RulerValue property is used to get or change the position of the playhead in a TimeLine...
FilterWithBounds (Property)
The FilterWithBounds property is used to determine if bounds have been specified for the filter...
H.AutoIndexingLimit (Variable)
Indicates the maximum number of records in the data file used to manage the automatic reindexing.
MyHostControl (Reserved word)
The MyHostControl keyword is used to handle the WEBDEV Page control from the code of the page...
Description of a Pivot Table control
The description window of a Pivot Table control is used to configure several elements...