--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MetroWpf/MetroWpf.Framework/Extensions/StreamExtensions.cs	Mon Mar 12 23:05:21 2012 +0800
@@ -0,0 +1,158 @@
+using System;
+using System.IO;
+using System.Text;
+
+namespace MetroWpf
+{
+    /// <summary>
+    /// Extension methods any kind of streams
+    /// </summary>
+    public static class StreamExtensions
+    {
+        #region · Extensions ·
+
+        /// <summary>
+        /// Opens a StreamReader using the default encoding.
+        /// </summary>
+        /// <param name="stream">The stream.</param>
+        /// <returns>The stream reader</returns>
+        public static StreamReader GetReader(this Stream stream)
+        {
+            return stream.GetReader(null);
+        }
+
+        /// <summary>
+        /// Opens a StreamReader using the specified encoding.
+        /// </summary>
+        /// <param name="stream">The stream.</param>
+        /// <param name="encoding">The encoding.</param>
+        /// <returns>The stream reader</returns>
+        public static StreamReader GetReader(this Stream stream, Encoding encoding)
+        {
+            if (stream.CanRead == false)
+            {
+                throw new InvalidOperationException("Stream does not support reading.");
+            }
+
+            encoding = (encoding ?? Encoding.Default);
+
+            return new StreamReader(stream, encoding);
+        }
+
+        /// <summary>
+        /// Opens a StreamWriter using the default encoding.
+        /// </summary>
+        /// <param name="stream">The stream.</param>
+        /// <returns>The stream writer</returns>
+        public static StreamWriter GetWriter(this Stream stream)
+        {
+            return stream.GetWriter(null);
+        }
+
+        /// <summary>
+        /// Opens a StreamWriter using the specified encoding.
+        /// </summary>
+        /// <param name="stream">The stream.</param>
+        /// <param name="encoding">The encoding.</param>
+        /// <returns>The stream writer</returns>
+        public static StreamWriter GetWriter(this Stream stream, Encoding encoding)
+        {
+            if (stream.CanWrite == false)
+            {
+                throw new InvalidOperationException("Stream does not support writing.");
+            }
+
+            encoding = (encoding ?? Encoding.Default);
+            
+            return new StreamWriter(stream, encoding);
+        }
+
+        /// <summary>
+        /// Reads all text from the stream using the default encoding.
+        /// </summary>
+        /// <param name="stream">The stream.</param>
+        /// <returns>The result string.</returns>
+        public static string ReadToEnd(this Stream stream)
+        {
+            return stream.ReadToEnd(null);
+        }
+
+        /// <summary>
+        /// Reads all text from the stream using a specified encoding.
+        /// </summary>
+        /// <param name="stream">The stream.</param>
+        /// <param name="encoding">The encoding.</param>
+        /// <returns>The result string.</returns>
+        public static string ReadToEnd(this Stream stream, Encoding encoding)
+        {
+            using (var reader = stream.GetReader(encoding))
+            {
+                return reader.ReadToEnd();
+            }
+        }
+
+        /// <summary>
+        /// Sets the stream cursor to the beginning of the stream.
+        /// </summary>
+        /// <param name="stream">The stream.</param>
+        /// <returns>The stream</returns>
+        public static Stream SeekToBegin(this Stream stream)
+        {
+            if (stream.CanSeek == false)
+            {
+                throw new InvalidOperationException("Stream does not support seeking.");
+            }
+
+            stream.Seek(0, SeekOrigin.Begin);
+
+            return stream;
+        }
+
+        /// <summary>
+        /// Sets the stream cursor to the end of the stream.
+        /// </summary>
+        /// <param name="stream">The stream.</param>
+        /// <returns>The stream</returns>
+        public static Stream SeekToEnd(this Stream stream)
+        {
+            if (stream.CanSeek == false)
+            {
+                throw new InvalidOperationException("Stream does not support seeking.");
+            }
+
+            stream.Seek(0, SeekOrigin.End);
+            
+            return stream;
+        }
+
+        /// <summary>
+        /// Copies any stream into a local MemoryStream
+        /// </summary>
+        /// <param name="stream">The source stream.</param>
+        /// <returns>The copied memory stream.</returns>
+        public static MemoryStream CopyToMemory(this Stream stream)
+        {
+            var memoryStream = new MemoryStream((int)stream.Length);
+            
+            stream.CopyTo(memoryStream);
+            
+            return memoryStream;
+        }
+
+        /// <summary>
+        /// Reads the entire stream and returns a byte array.
+        /// </summary>
+        /// <param name="stream">The stream.</param>
+        /// <returns>The byte array</returns>
+        /// <remarks>Thanks to EsbenCarlsen  for providing an update to this method.</remarks>
+        public static byte[] ReadAllBytes(this Stream stream)
+        {
+            using (var memoryStream = stream.CopyToMemory())
+            {
+                return memoryStream.ToArray();
+            }
+        }
+
+        #endregion
+    }
+}
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