sample on how to convert a pfx to snk visual studio assembly signing certificate

pfxtosnk.cs

X509Certificate2 cert = new X509Certificate2(@"KEY.pfx", "pfxPassword", X509KeyStorageFlags.Exportable | X509KeyStorageFlags.PersistKeySet);
RSACryptoServiceProvider provider = (RSACryptoServiceProvider) cert.PrivateKey;
byte[] array = provider.ExportCspBlob(!provider.PublicOnly);
using (FileStream fs = new FileStream("FileName.snk", FileMode.Create,     FileAccess.Write))
{
	fs.Write(array, 0, array.Length);
}