Array (Variable type) An array is a structured type used to group together a set of elements of the same type... Associative array (Variable type) An associative array is an "advanced" type of array... Automation object The Automation keyword is used to declare an automation object... Combination (Variable type) A combination is a set of options. Composite variable A composite variable contains different types of elements (members)... Constant The constants are language elements whose value is fixed once and for all... Declaring and using a variable A variable is defined by name and type... Dynamic array (Variable type) A dynamic array is an "advanced" type of array... Dynamic Automation object A dynamic automation object is an automation object allocated upon request, during the program execution... Dynamic structure (Variable type) A structure can be allocated dynamically... Enumeration (Variable type) An enumeration is a set of values... Fixed array (Variable type) A fixed array is an "advanced" type of array... Global and local variable Two types of variables are available... Multiple assignments of arrays, structures and classes The multiple assignment of arrays consists in assigning a set of simple values (boolean, integer, string, real, numeric or currency) to the cells of an array. This multiple assignment is also available for the structures and the classes. SQL query (WLanguage type) The "SQL query" type is used to write an SQL query in the WLanguage code. Structure (Variable type) A structure is a custom type of data... Type inference The type inference is used to simplify the declaration of variables when the variable type can be automatically deduced by the compiler... Variable scope Variables can be declared anywhere in the code.