[fpc-devel] windows shlobj SIGDN longint

[Mattias Gaertner]

On 6/24/26 22:35, J. Gareth "Kit" Moreton via fpc-devel wrote:
> I think it's deliberately designed that way so such codes are negative 
> numbers in signed 32-bit.

I spotted it because code fails to compile with a range check error.

Windows docs says these constants are from an enumeration.

Mattias


> Gareth aka. Kit
> 
> On 24/06/2026 20:51, Mattias Gaertner via fpc-devel wrote:
>> Hi,
>>
>> Unit shlobj has:
>>
>>       SIGDN      = longint;
>>
>> But the constants are for example:
>>
>> SIGDN_FILESYSPATH               = $80058000;
>>
>>
>> Maybe SIGDN must be DWord?
>>
>> Mattias
>>
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