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  public class MinifyInlineScriptsAttribute : ActionFilterAttribute
    {
        public override void OnActionExecuting(ActionExecutingContext filterContext)
        {
            var originalFilter = filterContext.HttpContext.Response.Filter;
            if(originalFilter != null) filterContext.HttpContext.Response.Filter = new MinifyStream(originalFilter);

            base.OnActionExecuting(filterContext);
        }

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[Route("api/dothis/{id}")]
[AcceptVerbs("POST")]
[Throttle(Name = "ApiThrottle", Message = "You must wait {n} seconds before accessing this url again.", Seconds = 5)]
[Authorize]
public HttpResponseMessage DoThis(int id) 
{
  // do something
}

public class ThrottleAttribute : ActionFilterAttribute

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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;

namespace SampleAudit
{

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using System.Web.Mvc;
using System.Web.Routing;
using System.Web.WebPages;

namespace MyNamespace
{
  public enum DeviceType {Mobile, Desktop}

	public class DeviceTypeRedirect : ActionFilterAttribute
	{

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using System.Web.Mvc;

namespace MvcApplication1.Models
{
    public class CheckBrowserAttribute : ActionFilterAttribute
    {
        public override void OnActionExecuted(ActionExecutedContext filterContext)
        {
                base.OnActionExecuted(filterContext);
        }

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public class WordDocumentAttribute : ActionFilterAttribute
{
    public string DefaultFilename { get; set; }

    public override void OnActionExecuted(ActionExecutedContext filterContext)
    {
        var result = filterContext.Result as ViewResult;

        if (result != null)
            result.MasterName = "~/Views/Shared/_LayoutWord.cshtml";

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public class LogActionWebApiFilter : ActionFilterAttribute
{
    /// <summary>
    /// Instance of the Log4Net log.
    /// </summary>
    [Dependency]  //Part 1
     public ILog Log { get; set; }
        
    //This function will execute before the web api controller
    //Part 2

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using System;
using System.Net.Http;
using System.Net.Http.Formatting;
using System.Web.Http.Filters;
using Newtonsoft.Json.Serialization;

namespace Filters
{
	[AttributeUsage(AttributeTargets.All)]
	public class CamelCasingFilterAttribute : ActionFilterAttribute

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using System;
using System.Web;
using System.Web.Mvc;
using System.Diagnostics;


/// <summary>
/// A simple attribute that times controller actions, returning the measured time
/// in the HTTP header "X-Duration".
/// </summary>

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public class LogAttribute : ActionFilterAttribute {
        private IDictionary<string, object> parameters;
        private string description;

        public LogAttribute(string description) {
            this.description = description;
        }

        public override void OnActionExecuting(ActionExecutingContext filterContext) {
            parameters = filterContext.ActionParameters;