Am 16.10.2022 um 04:19 schrieb Hairy Pixels via fpc-pascal:
Btw, I understand this question is basically for Mattias but I don’t know where
else to post. Does Mattias prefer I post in one of these forums
https://forum.lazarus.freepascal.org or maybe email privately with code tools
questions?
I’m trying to look at the code in a the begin..end section of this sample
program but for some reason when it gets to the BeginBlock node child count is
always 0 (other nodes are as expected though). I’m calling Explore correctly I
think so what could the problem be?
Here is the little test pro
> On Oct 15, 2022, at 3:58 PM, Michael Van Canneyt
> wrote:
>
> One reason we do not allow descendents is that if you have a var array, the
> returned value may contain classes of a type that the caller does not expect.
> (This is the same reason why (var value: TObject) requires an exact matc
On Sat, 15 Oct 2022, Hairy Pixels via fpc-pascal wrote:
Another question I just ran in to. Why isn’t "array of TMyClass” compatible
with “array of TObject” open array? TMyClass is a descendant of TObject and dynamic
arrays are compatible with open arrays right?
==
type
Another question I just ran in to. Why isn’t "array of TMyClass” compatible
with “array of TObject” open array? TMyClass is a descendant of TObject and
dynamic arrays are compatible with open arrays right?
==
type
TMyClass = class
end;
procedure MyProcedure(values: arra
On Sat, 15 Oct 2022, Hairy Pixels wrote:
On Oct 15, 2022, at 3:03 PM, Michael Van Canneyt wrote:
as far as I kbow, this should be
ObjectArray := TObjectArray(GetDynArrayProp(AObject, PropertyInfo));
i.e. you get the actual array as a result.
You’re right, I didn’t need that pointer cas
> On Oct 15, 2022, at 3:03 PM, Michael Van Canneyt
> wrote:
>
> as far as I kbow, this should be
> ObjectArray := TObjectArray(GetDynArrayProp(AObject, PropertyInfo));
> i.e. you get the actual array as a result.
>
You’re right, I didn’t need that pointer cast. I’m still curious though why
On Sat, 15 Oct 2022, Hairy Pixels via fpc-pascal wrote:
How can I iterate over the pointer that is returned from GetDynArrayProp? I
tried to cast it as a dynamic array of the element type but calling Length() on
the returned value gave garbled data.
For example with a property of the type “
