Minor update in LINQ samples

Author: ahotko

CSharp Code Samples/CodeSamples/CodeSamples.csproj

@@ -59,6 +59,7 @@
     <Compile Include="Classes\ConstructorChainingSample.cs" />
     <Compile Include="Attributes\DebuggingSample.cs" />
     <Compile Include="Classes\ExtensionMethodsSample.cs" />
+    <Compile Include="Constants.cs" />
     <Compile Include="ISampleExecute.cs" />
     <Compile Include="MultiThreading\BackgroundWorkerSample.cs" />
     <Compile Include="Patterns\Behavioral\ObserverPattern.cs" />

CSharp Code Samples/CodeSamples/Useful/LinqSample.cs

@@ -26,7 +26,7 @@ public class LinqSample : SampleExecute
     {
         List<LinqSampleClass> _sampleList = new List<LinqSampleClass>();
 
-        private void PrepareList()
+        private void PrepareList(int sampleCount)
         {
             #region Source Collections
             var names = new Collection<string>()     { "Sasha", "Ria", "Kaseem", "Eve", "Keegan", "Giacomo", "Alana", "Katelyn",
@@ -48,6 +48,10 @@ private void PrepareList()
             var places = new Collection<string>()    { "Rio Verde", "Sherborne", "Bolano", "Waver", "Sclayn" };
             #endregion
 
+            int maxAvailableSamples = names.Count * lastNames.Count * places.Count;
+            if (sampleCount > maxAvailableSamples)
+                throw new ArgumentOutOfRangeException("sampleCount", $"Requested sample count ({sampleCount}) too big. Max available count is {maxAvailableSamples}");
+
             #region Long list of names
             _sampleList = new List<LinqSampleClass>();
             int count = 0;
@@ -68,13 +72,13 @@ private void PrepareList()
                     _sampleList.Add(sample);
                     count++;
                 }
-            } while (count < Constants.Linq.MaxSamples);
+            } while (count < sampleCount);
             #endregion
         }
 
         public LinqSample()
         {
-            PrepareList();
+            PrepareList(Constants.Linq.MaxSamples);
         }
 
         private void SumAgeSimple()