C++ CLI Task IEnumerable shows Error not a valid Generic argument

Question

Arathi Jinde 6

Hi ,

MyRepository<MyModel, String>^ pr = new PatientRepository<PatientModel, String>();

Task<IEnumerable<MyModel>^> FindAsync(String^ key)
{
return pr->FindAsync(key);
}

here Task IEnemurable<MyModel> shows not a valid generic argument

how to resolve this
Thanks,

Arathi Jinde 6 Reputation points

2021-04-08T07:38:32.603+00:00

Task Async await supported with C++/CLI ?
Jeanine Zhang-MSFT 11,356 Reputation points Microsoft External Staff

2021-04-08T08:43:14.35+00:00

@Arathi Jinde

As far as I'm concerned, you couldn't use async/await with c++/cli. I suggest you could refer to the links:
https://stackoverflow.com/a/23897564/11872808
https://stackoverflow.com/a/57236107/11872808
Arathi Jinde 6 Reputation points

2021-04-08T10:56:27.657+00:00

Thanks for the confirmation

Now I have an issue with /clr:netcore I have a dll
I am referencing the same in WPF application when creating object of viewModel class this thows error
System.BadImageFormatException: 'Could not load file or assembly

same as here
https://stackoverflow.com/questions/64025144/c-sharp-clr-excecption-badimageformatexception-could-not-load-file-or-assembly

is there any solution on how to launch WPF application by referencing the clr dll within the applicaiton and creating an object of clr:core class
Jeanine Zhang-MSFT 11,356 Reputation points Microsoft External Staff

2021-04-09T08:20:33.66+00:00

@Arathi Jinde

In this thread, we are mainly discussing about this issue as indicated by the first post. And it is solved. Then for your new question it would be best if you try to open up a new thread for it. In this way, it will make answer searching in the forum easier and be beneficial to other community members as well.

Your answer

Arathi Jinde 6 Reputation points

2021-04-08T07:38:32.603+00:00

Task Async await supported with C++/CLI ?
Jeanine Zhang-MSFT 11,356 Reputation points Microsoft External Staff

2021-04-08T08:43:14.35+00:00

@Arathi Jinde

As far as I'm concerned, you couldn't use async/await with c++/cli. I suggest you could refer to the links:
https://stackoverflow.com/a/23897564/11872808
https://stackoverflow.com/a/57236107/11872808
Arathi Jinde 6 Reputation points

2021-04-08T10:56:27.657+00:00

Thanks for the confirmation

Now I have an issue with /clr:netcore I have a dll
I am referencing the same in WPF application when creating object of viewModel class this thows error
System.BadImageFormatException: 'Could not load file or assembly

same as here
https://stackoverflow.com/questions/64025144/c-sharp-clr-excecption-badimageformatexception-could-not-load-file-or-assembly

is there any solution on how to launch WPF application by referencing the clr dll within the applicaiton and creating an object of clr:core class
Jeanine Zhang-MSFT 11,356 Reputation points Microsoft External Staff

2021-04-09T08:20:33.66+00:00

@Arathi Jinde

In this thread, we are mainly discussing about this issue as indicated by the first post. And it is solved. Then for your new question it would be best if you try to open up a new thread for it. In this way, it will make answer searching in the forum easier and be beneficial to other community members as well.