On Friday, 15 January 2021 at 11:05:56 UTC, Daniel Kozak wrote:
> On Fri, Jan 15, 2021 at 10:30 AM dog2002 via Digitalmars-d-learn < digitalmars-d-learn@puremagic.com> wrote:
>
>> ...
>> Okay, the reason is incredibly stupid: using WinMain instead of
>> main causes high memory usage. I don't know why, I use the same
>> code. If I replace WinMain with main, the memory consumption is
>> about 6 MB.
>>
>
> https://wiki.dlang.org/D_for_Win32

Thank you! Now the application works properly.

And sorry for the dumb questions.