Consider this markup:
<MyComponent>
This is ChildContent
</MyComponent>
It is all fine if MyComponent actually supports ChildContent, if not by default user/dev will be notified about this fact in runtime.
How to disable it, so it will become compile error?
To enforce that child content is not allowed at compile-time in a Blazor component, you can use the EditorRequired attribute on a required parameter. However, Blazor does not provide a built-in mechanism to prevent ChildContent at compile-time directly.
Instead, you can leverage the absence of a ChildContent parameter in your component’s definition to indirectly achieve this. If a component does not define a ChildContent parameter, attempting to use it will result in a compile-time error.
Here’s how you can design a component that does not support ChildContent: using Microsoft.AspNetCore.Components;
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