Converts an expression to a specified data type
Syntax
Description
Converts
expression into a different
datatype. Useful to be used in macros when
datatype is unknown and also when converting to
Type Alias.
Note: this is a general form of conversion operators such as
CInt or
CDbl. They are more versatile because they can be used on types that have a
Cast operator, but don't have a built-in keyword for it. e.g.
Cast( my_type, expr). They are also suitable for use in cases where the type of a variable is not fixed in the code - for example, it might be
Defined earlier, or may be the
Type Of a different variable or expression.
Note: If you want to use an operator specifically for converting to different types of
Pointers, consider using
CPtr instead.
Example
'' will print -128 because the integer literal will be converted to a signed Byte
'' (this Casting operation is equivalent to using CByte)
Print Cast( Byte, &h0080 )
'' will print 3 because the floating-point value will be converted to an Integer
'' (this Casting operator is equivalent to using CInt)
Print Cast( Integer, 3.1 )
Dialect Differences
- Not available in the -lang qb dialect unless referenced with the alias __Cast.
Differences from QB
See also