On 06/01/2022 19:04, frame wrote:
> If a pointer has an invalid target a debugger in VS shows the error
> 
> `D0001: Error: Expression couldn't be evaluated`
> 
> when I try to access it.
> 
> Is there a debugger function to trigger this access which can be used inside an invariant?
> I can assert it by checking if the pointer address is far to low, but this doesn't always work.

Are you looking for something like IsBadReadPtr? See https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-isbadreadptr

On Saturday, 15 January 2022 at 09:11:53 UTC, Rainer Schuetze wrote:

> Are you looking for something like IsBadReadPtr? See https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-isbadreadptr

Worth a try, thanks