using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Win32;
using System.Security;
class Utilities
{
public static string GetContentType(string extension)
{
string mimeType = "application/unknown";
try
{
RegistryKey regKey = Registry.ClassesRoot.OpenSubKey(extension, false);
if (regKey != null && regKey.GetValue("Content Type") != null)
mimeType = regKey.GetValue("Content Type").ToString();
else
{
switch (extension)
{
case ".xap":
mimeType = "application/x-silverlight-app";
break;
}
}
return mimeType;
}
catch (SecurityException)
{
}
switch (extension)
{
case ".docx":
case ".doc":
mimeType = "application/msword";
break;
case ".jpg":
case ".jpeg":
mimeType = "image/jpeg";
break;
case ".png":
mimeType = "image/png";
break;
}
return mimeType;
}
}