From 2fcdc97e3d8acab2a9c3e23705513e8ce1fd5207 Mon Sep 17 00:00:00 2001
From: zloy-zhake <jk-jdogg@yandex.ru>
Date: Fri, 9 Sep 2016 01:52:07 +0600
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---
 AnswerGenerator.cs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/AnswerGenerator.cs b/AnswerGenerator.cs
index e77b82b..a4a6324 100644
--- a/AnswerGenerator.cs
+++ b/AnswerGenerator.cs
@@ -50,6 +50,22 @@ void Generate_Answers()
 //	Qn,An,A-,A-,A-,A-;
 //}
 // A- выбираются случайным образом из всех A, кроме правильного.
+
+// If you just want to generate a random number that never repeats you could do something like this
+
+	private Random rand = new Random();
+private List<int> used = new List<int>;
+protected int randomNonrepeating()
+	{
+		 int i = rand.next();
+		 while(used.contains(i)){
+		 		i = rand.next();
+		 	}
+		 	used.add(i);
+		 	return i;
+			 	}
+			 	}
+
 		}
 		
 		void Save_Tests_To_File()