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Version: 2024

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The Alias type is used to declare and handle a logical alias for a data file or query.
The ASCIIZ string of type is used to manipulate strings with a null character at the end, denoted by a zero (as in the C programming language).
The Boolean type is recommended for all logical operations where only two alternatives are possible...
The Buffer type corresponds to a binary memory area.
The Character type is used to manipulate a character.
Depending on the type of programming, it may be useful to know the correspondence between the types used in C and the types used in WLanguage...
The Currency type is used for calculations with a large number of significant digits (up to 17 digits to the left of the decimal point and 6 digits to the right).
The Date type is used to easily manipulate dates...
The DateTime type enables you to easily handle a date and a time...
The Duration type is used to easily manipulate intervals of dates and times...
The Fixed string of type corresponds to a fixed-length string.
The Int type is used to easily perform calculations on integer values...
The JSON simplifies actions on data in JSON format.
The numeric type is used to contain integer or decimal numbers by specifying if necessary:
  • the number of digits in the integer part.
  • the number of digits in the integer part and in the decimal part.
The following operations are available for the following types of variables...
The Pascal string of type corresponds to a length-prefixed string (this length is stored as a byte value). This type of variable is kept for backward compatibility.
The Real type allows you to perform calculations on real values using up to 15 significant digits.
A Rectangle variable is a structured type that is used to represent a rectangle (X, Y, Width, Height) in 2 dimensions.
String literals are used to represent and manipulate data as a sequence of characters. For example, string literals can be used to display information, define a constant, etc.
The String type is used to manipulate strings...
The String of type is used to manipulate fixed-length strings. These strings have a null character at the end, denoted by a zero (as in the C programming language).
The Time type allows you to easily manipulate times...
The UNICODE string of type is a fixed-length string containing UNICODE characters only.
The UUID type is used to easily manage:
  • UUIDs or GUIDs,
  • automatic UUID HFSQL identifiers,
  • identifiers for COM/Automation objects and interfaces,
  • ...
The Variant type is used to:
  • store any simple value: boolean, numeric (Currency, Real, Integer, etc.), characters and character string, date (Date, Time, DateTime and Duration), ...
  • store named or indexed subelements.
  • store any complex value: structures, classes, advanced types, arrays, associative arrays, queues, stacks and lists.
  • handle the NULL value in WLanguage.
  • store interactions with ActiveX objects and Automation programming.
The different types of WLanguage are ...
The YAML type simplifies the handling of data in YAML format.