diff --git a/minisqlquery-master/src/MiniSqlQuery.Core/IPrintableContent.cs b/minisqlquery-master/src/MiniSqlQuery.Core/IPrintableContent.cs
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index 0000000..f6d8373
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+++ b/minisqlquery-master/src/MiniSqlQuery.Core/IPrintableContent.cs
@@ -0,0 +1,24 @@
+#region License
+
+// Copyright 2005-2019 Paul Kohler (https://github.com/paulkohler/minisqlquery). All rights reserved.
+// This source code is made available under the terms of the GNU Lesser General Public License v3.0
+// https://github.com/paulkohler/minisqlquery/blob/master/LICENSE
+
+#endregion
+
+using System.Drawing.Printing;
+
+namespace MiniSqlQuery.Core
+{
+ /// <summary>
+ /// If implemented it signals that the class supports printing of the "contents" of the object.
+ /// </summary>
+ public interface IPrintableContent
+ {
+ /// <summary>
+ /// Gets the "document" to print (or null if not supported in the current context).
+ /// </summary>
+ /// <value>The print document.</value>
+ PrintDocument PrintDocument { get; }
+ }
+}
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