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DataDisplay/DataSource/EnumerablePointEnumerator.cs

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+using System;
+using System.Collections;
+using System.Windows;
+using Xamarin.Forms;
+
+namespace DataDisplay.DataSource
+{
+    /// <summary>This enumerator enumerates given enumerable object as sequence of points</summary>
+    /// <typeparam name="T">Type parameter of source IEnumerable</typeparam>
+	public sealed class EnumerablePointEnumerator<T> : IPointEnumerator {
+		private readonly EnumerableDataSource<T> dataSource;
+		private readonly IEnumerator enumerator;
+
+		public EnumerablePointEnumerator(EnumerableDataSource<T> dataSource) {
+			this.dataSource = dataSource;
+			enumerator = dataSource.Data.GetEnumerator();
+		}
+
+		public bool MoveNext() 
+    {
+      try{return enumerator.MoveNext();}
+      catch(InvalidOperationException){return false;}
+		}
+
+		public void GetCurrent(ref Point p) {
+			dataSource.FillPoint((T)enumerator.Current, ref p);
+		}
+
+		public void ApplyMappings(BindableObject target) {
+			dataSource.ApplyMappings(target, (T)enumerator.Current);
+		}
+
+		public void Dispose() {
+			//enumerator.Reset();
+		}
+	}
+}