/// <summary>
/// Creates and activates a <see cref="ITagHelper"/>.
/// </summary>
/// <typeparam name="TTagHelper">A <see cref="ITagHelper"/> type.</typeparam>
/// <returns>The activated <see cref="ITagHelper"/>.</returns>
/// <remarks>
/// <typeparamref name="TTagHelper"/> must have a parameterless constructor.
/// </remarks>
public TTagHelper CreateTagHelper <TTagHelper>() where TTagHelper : ITagHelper
{
var tagHelper = TypeActivatorCache.CreateInstance <TTagHelper>(
ViewContext.HttpContext.RequestServices,
typeof(TTagHelper));
TagHelperActivator.Activate(tagHelper, ViewContext);
return(tagHelper);
}
/// <summary>
/// Resolves a type using the type activator cache, just as ASP.NET Core does
/// </summary>
/// <typeparam name="T">The type to resolve</typeparam>
/// <returns>The resolved type, or null if cannot be resolved</returns>
protected T ResolveType <T>(ServiceProvider serviceProvider)
{
TypeActivatorCache typeActivatorCache = new TypeActivatorCache();
return(typeActivatorCache.CreateInstance <T>(serviceProvider, typeof(T)));
}
