[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] | Reference for unit 'sysutils' (#rtl)

# TryStrToInt64

Try to convert a string to an int64 value, and report on success.

## Declaration

Source position: sysstrh.inc line 140

`function TryStrToInt64(`
`const s: string;`
`out i: Int64`
`):Boolean;`

## Description

TryStrToInt64 tries to convert the string S to a Int64 value, and returns this value in I if successful. If the conversion was successful, the function result is True, or False otherwise. The string can only contain numerical characters, and optionally a minus sign as the first character. Whitespace is not allowed.

Hexadecimal values (starting with the $ character) are supported.

## Errors

None. On error, False is returned.

## See also

StrToInt64 |  | Convert a string to an Int64 value.
StrToInt64Def |  | Convert a string to an Int64 value, with a default value
StrToInt |  | Convert a string to an integer value.
TryStrToInt |  | Try to convert a string to an integer, and report on success.
StrToIntDef |  | Convert a string to an integer value, with a default value.

Documentation generated on: May 14 2021