System.SysUtils.StrToInt64

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Object Pascal

function StrToInt64(const S: string): Int64;

C++

extern DELPHI_PACKAGE __int64 __fastcall StrToInt64(const System::UnicodeString S)/* overload */;

Properties

Type Visibility Source Unit Parent
function public
System.SysUtils.pas
System.SysUtils.hpp
System.SysUtils System.SysUtils

Description

Converts a string that represents an integer (decimal or hex notation) into a number.

StrToInt64 converts the string S, which represents an integer-type number in either decimal or hexadecimal notation, into a number. The output value is a 64 bit sized integer. If S does not represent a valid number, StrToInt64 raises an EConvertError exception.

StrToInt64 supports strings in the following hexadecimal notations:

  • Object Pascal: 0$1234 and 0x1234.
  • C++: 0x1234.

See Also