CLNG


Converts numeric or string expression to Long

Syntax:
declare function Clng ( byval expression as datatype ) as long

Type typename
End Type

Usage:
result = Clng( numeric expression )
result = Clng( string expression )
result = Clng( user defined type )

Parameters:
expression
a numeric, string, or pointer expression to cast to a Long value
datatype
any numeric, string, or pointer data type
typename
a user defined type

Return Value:
A Long value.

Description:
The Clng function rounds off the decimal part and returns a 32-bit Long value. The function does not check for an overflow, and results are undefined for values which are less than -2 147 483 648 or larger than 2 147 483 647.

The name can be explained as 'Convert to LoNG'.

If the argument is a string expression, it is converted to numeric by using Valint.

Examples:

' Using the CLNG function to convert a numeric value

'Create an LONG variable
Dim numeric_value As Long

'Convert a numeric value
numeric_value = CLng(-300.23)

'Print the result, should return -300
Print numeric_value
Sleep


Differences from QB:
See also:
Back to Converting Data Types
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