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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Declaring and using a variable
A variable is defined by name and type...
Service variable
The Service variable is used to...
Report based on a variable (Data binding)
A report based on a variable is used to directly print the information found in a WLanguage variable...
Composite variable
A composite variable contains different types of elements (members)...
TypeVar (Function)
Identifies the type of an expression, a variable (during a call to a procedure for example) or a control.
Advanced types
The advanced types of WLanguage are as follows
Checkers available in the code editor
The code editor proposes several tools used to correct the code...
WLanguage types
The different types in WLanguage are...
IsNumeric (Function)
Enables you to find out whether a variable or a control is:
  • a numeric (integer, real, currency or numeric).
  • a string that can be converted into numeric.
Assignment operators
Three assignment operators are available...
Constant
The constants are language elements whose value is fixed once and for all...
<Source>.Reset (Function)
Initializes:
  • one or all variables of file items with their default values.
  • one or all items of a Record variable with their default values.
HReset (Function)
Initializes:
  • one or all variables of file items with their default values.
  • one or all items of a Record variable with their default values.
Type inference
The type inference is used to simplify the declaration of variables when the variable type can be automatically deduced by the compiler...
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc.
MemcachedIncrementKeyGroup (Function)
Increments the value associated with a key on a group of servers.
<Image>.AlphaBlend (Function)
Blends two images together. This allows you to create fade-in effects between 2 images.
MemcachedIncrement (Function)
Increments the value associated with a key.
MemcachedAddPrefixKeyGroup (Function)
Adds a value at the start of existing value in the cache for the given key on a group of servers.
MemcachedModifyKeyGroup (Function)
Modifies a key/value couple in the Memcached cache on a group of servers....
Toast constants
Returns the two high bytes of an integer....
MemcachedCASKeyGroup (Function)
Modifies the value of a key on a group of servers if this one was not modified.
ModbusReadFloat (Function)
Reads one or more single-precision floats from a Modbus slave, starting at a specific address.
fRead (Function)
Reads: a block of bytes (characters) in an external file (ANSI or Unicode), the content...
<Image>.InvertColor (Function)
Inverts the colors in an Image control.
<redisConnection>.Set (Function)
Changes the value of a key on a Redis server.
Manipulating Organizer controls programmatically
Organizer controls can be manipulated programmatically....
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....
TimestampType (Property)
The TimestampType property is used to: Find out the type of timestamp for an item. This item...
CalculatedItemExpression (Property)
The CalculatedItemExpression property is used to: Find out the SQL expression that defines...
MemcachedDecrementKeyGroup (Function)
Decrements the value associated with a key on a group of servers.
List of extension attributes
The list of extension attributes ......