How to configure avalonia multiplatform solution?

[garawaa]

How to configure avalonia multiplatform solution?

[HavenDV]

Good question. I suspect that this will primarily depend on the MessageBox.Avalonia package I am using. Until it has support for all the platforms that Avalonia supports, I won't be able to provide cross-platform support for this.

[HavenDV]

I think this is also related to this issue you raised
AvaloniaCommunity/MessageBox.Avalonia#120