Non-Generic TaskCompletionSource or alternative

Question

I\'m working with an alert window (Telerik WPF) that is normally displayed asynchronously ( code continues running while it is open) and I want to make it synchronous by usi

Answer 1

.NET 5 has a non-generic TaskCompletionSource.

It was added in this pull request: https://github.com/dotnet/runtime/pull/37452/files#diff-4a72dcb26e2d643c337baef9f64312f3