How to convert String to LongInt in Delphi XE3?

Question

How to convert String to LongInt in Delphi XE3? strtoInt & strToint64 are for variables of types less than LongInt.

which platform do you talk about ? in Win32 and Apple32 platforms Int64 is 2^32 times more than LongInt. Don't remember about Win64 though — Arioch 'The
– Arioch 'The, Commented Nov 28, 2012 at 12:51
i'm talking about windows, both win32 and overloaded version for 64 — ae1080
– ae1080, Commented Nov 28, 2012 at 14:18
@jachguate not according to the documentation: "On 32-bit platforms and 64-bit Windows platforms, LongInt is an 4-byte signed integer ... On 64-bit POSIX platforms (iOS and Linux), LongInt is an 8-byte signed integer" — Remy Lebeau
– Remy Lebeau, Commented Oct 10, 2022 at 18:51
@jachguate Understandable, as at the time, XE3 was the latest version, which didn't support any 64-bit Posix platforms yet, only 64-bit Windows, and LongInt is indeed a 32-bit integer on Win64. — Remy Lebeau
– Remy Lebeau, Commented Oct 10, 2022 at 20:21

LeleDumbo · Accepted Answer · 2012-11-28 11:33:26Z

7

Looking at its signature, I don't think StrToInt is for int less than longint. Integer is an alias for LongInt in Delphi by default. Here is the table for those types.

answered Nov 28, 2012 at 11:33

LeleDumbo

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Remy Lebeau · Accepted Answer · 2022-10-10 18:50:31Z

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The ...StrToInt...() overloads that work with Integer values will be fine. Integer and LongInt have the same byte size and value range on Windows.

edited Oct 10, 2022 at 18:50

answered Nov 28, 2012 at 19:25

Remy Lebeau

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