Added doc comment on ColorFormat.Empty.

diff --git a/Source/OpenTK/Graphics/ColorFormat.cs b/Source/OpenTK/Graphics/ColorFormat.cs
index 4851650329bf7bec6dbfd570aa1fcbd1c8c2e261..b046f20e1df91b578e1c0edb4f74e4dbe0016b28 100644 (file)
--- a/Source/OpenTK/Graphics/ColorFormat.cs
+++ b/Source/OpenTK/Graphics/ColorFormat.cs
@@ -130,6 +130,9 @@ namespace OpenTK.Graphics
         /// <summary>Gets the sum of Red, Green, Blue and Alpha bits per pixel.</summary>
         public int BitsPerPixel { get { return bitsPerPixel; } private set { bitsPerPixel = value; } }
 
+        /// <summary>
+        /// Defines an empty ColorFormat, where all properties are set to zero.
+        /// </summary>
         public static readonly ColorFormat Empty = new ColorFormat(0);
 
         #endregion