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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.
gglMapParameter (Type of variable)
The gglMapParameter type is used to define the advanced characteristics of a map...
HPrepareSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the database server in order...
BrowserType (Function)
Returns the type of browser used by the Web user.
Table,Modify (External language)
Modifies an element in a Table control.
HExecuteQuery (Function)
Declares a query created in the query editor to the HFSQL engine and runs this query.
VolumePhysicalButton (Function)
Identifies or modifies the sound source associated with the physical buttons used to set the volume...
hbTableDescription (Type of variable)
The hbTableDescription type is used to define and find out the characteristics of an HBase table.
hbColumnDescription (Type of variable)
The hbColumnDescription type is used to define the advanced characteristics of a group of columns...
WebSocketClientConnect (Function)
Establishes a connection between the client and a WebSocket server.
OpenSister (Example)
Usage example of the OpenSister function
Properties associated with the cells of the status bars
List of properties associated with the cells of the status bars...
CallInterface (Function)
Runs a method of an interface of an object implemented in a DLL external to the WINDEV framework.
Events associated with a Dashboard control
WINDEV and WINDEV Mobile manage the following events by default (order of appearance in the code...
notificationAction (Type of variable)
The notificationAction type is used to describe an additional action associated...
Automation object
The Automation keyword is used to declare an automation object...
SQLGetCol (Function)
Retrieves the content of the specified column from the query result, for the current line.
18. Order of execution of the code of buttons/links
LooperAddLine (Function)
Adds a row at the end of a Looper control.
TableSelect (Function)
Returns the index of the selected element in the Table or TreeView Table control.
SysEnvironment (Function)
Returns the environment variables of the operating system for the current computer.
The Item control
The "Item" control is used to edit the content of an item found in a data file......
Detailed use of WINDEV FTP/RPC
LooperSave (Function)
Validates the modification or addition of the record associated with the current row in the Looper...
Drive (Type of Variable)
The Drive type allows handle a Drive generically. To use this type of Variable, it is necessary...
grSurfaceAddData (Function)
Adds a data into a Surface chart.