1 files changed, 26 insertions, 0 deletions
diff --git a/MediaBrowser.Common/Extensions/CopyToExtensions.cs b/MediaBrowser.Common/Extensions/CopyToExtensions.cs
new file mode 100644
index 000000000..78a73f07e
--- /dev/null
+++ b/MediaBrowser.Common/Extensions/CopyToExtensions.cs
@@ -0,0 +1,26 @@
+using System.Collections.Generic;
+
+namespace MediaBrowser.Common.Extensions
+{
+    /// <summary>
+    /// Provides <c>CopyTo</c> extensions methods for <see cref="IReadOnlyList{T}" />.
+    /// </summary>
+    public static class CollectionExtensions
+    {
+        /// <summary>
+        /// Copies all the elements of the current collection to the specified list
+        /// starting at the specified destination array index. The index is specified as a 32-bit integer.
+        /// </summary>
+        /// <param name="source">The current collection that is the source of the elements.</param>
+        /// <param name="destination">The list that is the destination of the elements copied from the current collection.</param>
+        /// <param name="index">A 32-bit integer that represents the index in <c>destination</c> at which copying begins.</param>
+        /// <typeparam name="T"></typeparam>
+        public static void CopyTo<T>(this IReadOnlyList<T> source, IList<T> destination, int index = 0)
+        {
+            for (int i = 0; i < source.Count; i++)
+            {
+                destination[index + i] = source[i];
+            }
+        }
+    }
+}