Int64 Data Type

Holds signed 64-bit (8-byte) integer values with a maximum of 19 decimal digits. That is in the range −9,223,372,036,854,775,808 – +9,223,372,036,854,775,807.


Default value
When you declare a variable of type Int64 and do not initialize it, its default value is zero (0).
Automatic conversions
Int64 widens to Int128, Real32, Real64, or Real128 without risk of overflow.
Type characters
You can put the suffix i64 (or I64) on the end of an integer literal. But there are no type characters for names.

Shared methods and properties

Int64.Default As Int64
Returns the default value, 0.
Int64.Max As Int64
Returns the maximum positive value.
Int64.Min As Int64
Returns the minimum negative value.
Int64.Parse(str As String, Optional #format As Format) As Int64
Tries to parse a string that shows as an integer.
If #format is not given or is #Null, it tries to parse str as a decimal (base-10) integer. Or you can make it clear with Format.Base10.
Int64.Size As Int32
Returns the number of available bytes. This is always 8.


Dim foo As Int64

See also