CLngfunction

Converts numeric or string expression to Long

Syntax

Declare Function CLng ( ByVal expression As datatype ) As Long

Type typename

Declare Operator Cast ( ) As Long

End Type

Parameters

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.

Remarks

Usage


result = CLng( numeric expression )
result = CLng( string expression )
result = CLng( user defined type )


Differences from QB

• The string argument was not allowed in QB
  
  

See also

• CByte
  
• CUByte
  
• CShort
  
• CUShort
  
• CInt
  
• CUInt
  
• CULng
  
• CLngInt
  
• CULngInt
  
• CSng
  
• CDbl
  
  

Example

' 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

Reference

• Documented in KeyPgClng.html