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Author Topic: Published sets in FPC are limited to 32 elements  (Read 2049 times)

Thaddy

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Re: Published sets in FPC are limited to 32 elements
« Reply #15 on: February 21, 2026, 11:24:14 am »
Is having a design time editor for 256 set elements really a useful way to handle such things?
Looks like the proverbial screen-drawing instead of programming.

What would make sense, though, is that the set can be stored in full in {$M+} state.
That is to me an unexpected surprise that that seems not possible.
« Last Edit: February 21, 2026, 11:27:31 am by Thaddy »
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PascalDragon

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Re: Published sets in FPC are limited to 32 elements
« Reply #16 on: February 23, 2026, 09:32:18 pm »
Quote from: BildatBoffin on February 20, 2026, 08:00:19 am
64 elements should be allowed nowadays. The real origin of the problem is that when you use RTTI to get the setter then the setter might be a bit funky if the backing type is wider than a register size as then you work on a record type. It's an ABI limitation.

FPC and Lazarus still support 32-bit applications as well and will continue to do so. So, no, this will not be changed.
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