More visibility restriction.

Contexts/ContextQueries.cs

@@ -9,7 +9,7 @@ namespace NSspi.Contexts
 {
 
     [StructLayout( LayoutKind.Sequential )]
-    public struct SecPkgContext_Sizes
+    internal struct SecPkgContext_Sizes
     {
         public int MaxToken;
         public int MaxSignature;
@@ -18,27 +18,8 @@ namespace NSspi.Contexts
     }
 
     [StructLayout( LayoutKind.Sequential )]
-    public struct SecPkgContext_String
+    internal struct SecPkgContext_String
     {
         public IntPtr StringResult;
     }
-
-
-    public class ContextQueryHandle : SafeHandle
-    {
-        public ContextQueryHandle() :
-            base( IntPtr.Zero, true )
-        {
-        }
-
-        public override bool IsInvalid
-        {
-            get { return base.handle.Equals( IntPtr.Zero ); }
-        }
-
-        protected override bool ReleaseHandle()
-        {
-            return ContextNativeMethods.FreeContextBuffer( base.handle ) == SecurityStatus.OK;
-        }
-    }
 }