// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.AspNetCore.Mvc.Filters;
 
namespace RazorPagesWebSite.Pages.Filters;
 
public class TestPageFilter : Attribute, IPageFilter
{
    public void OnPageHandlerExecuted(PageHandlerExecutedContext context)
    {
    }
 
    public void OnPageHandlerExecuting(PageHandlerExecutingContext context)
    {
        context.HttpContext.Response.Headers["PageFilterKey"] = "PageFilterValue";
    }
 
    public void OnPageHandlerSelected(PageHandlerSelectedContext context)
    {
    }
}