ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

TimestampType (Property)
The TimestampType property is used to: Find out the type of timestamp for an item. This item was defined in the data model editor or programmatically. Define the type of timestamp for a Date, Time or DateTime item (when describing the item through programming)....
fRead (Function)
Reads: a block of bytes (characters) in an external file (ANSI or Unicode), the content of an external file (ANSI or Unicode) and assigns it to a memory area....
<Image>.InvertColor (Function)
Inverts the colors in an Image control.
<redisConnection>.Set (Function)
Changes the value of a key on a Redis server.
MemcachedCAS (Function)
Modifies the value of a key if this one was not modified.
Word Processing constants
The following constants are used by the functions for managing the Word Processing control:...
<redisConnection>.Subscribe (Function)
Subscribes to a Redis broadcast channel.
Toast functions
The TopMargin property sets the top margin of an element....
HTTPSendForm (Function)
Sends an HTTP form.
<redisConnection>.Get (Function)
Gets the value of a key from a Redis server as a string.
MemcachedDecrement (Function)
Decrements the value associated with a key. The key is created if it does not exist.
MemcachedModify (Function)
Modifies a key/value couple in the Memcached cache....
ModbusReadFloat (Function)
Reads one or more single-precision floats from a Modbus slave, starting at a specific address.
CalculatedItemExpression (Property)
The CalculatedItemExpression property is used to: Find out the SQL expression that defines the value of a calculated item. This item was defined in the data model editor or programmatically. Define the SQL expression returning the value of a calculated item (when describing the item through programming)....
MemcachedDecrementKeyGroup (Function)
Decrements the value associated with a key on a group of servers.
HTransactionEnd (Function)
Validates the current transaction: the modifications performed on the table since the start of transaction (HTransactionStart) are validated. the transaction file is deleted (if the transaction is the last transaction in progress for a network application) the records locked in read-only by the transaction are unlocked....
GeometryOverlap (Function)
Determines whether two geometries overlap.
HRSExecute (Function)
Immediately execute periodic replication between HFSQL servers: replication is triggered ahead of schedule.
GeometryContain (Function)
Determines if geometry A contains geometry B.
GeometryCover (Function)
Determines if geometry A covers geometry B.
zipExist (Function)
Used to find out whether an archive exists.
COMCreateInstance (Function)
Instantiates a COM object (Component Object Model).
COMCallMethod (Function)
Runs a method of an interface of a COM object instantiated by COMCreateInstance.
<TimeLine>.AddEvent (Function)
Adds an event into a TimeLine control.
<Map>.InfoPosition (Function)
Returns the coordinates (in pixels) of the point corresponding to a geographical position (latitude and longitude).