From 3fa1b3180a1fb6d165a18aceb316d27f44f7481e Mon Sep 17 00:00:00 2001
From: beto-rodriguez <rodriguezo.alberto@gmail.com>
Date: Thu, 1 Sep 2022 13:57:35 -0500
Subject: [PATCH] fixes #199

---
 src/LiveChartsCore/Kernel/ChartElement.cs  | 3 +++
 src/LiveChartsCore/Kernel/IChartElement.cs | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/src/LiveChartsCore/Kernel/ChartElement.cs b/src/LiveChartsCore/Kernel/ChartElement.cs
index af1312d8b..1c442ed63 100644
--- a/src/LiveChartsCore/Kernel/ChartElement.cs
+++ b/src/LiveChartsCore/Kernel/ChartElement.cs
@@ -35,6 +35,9 @@ public abstract class ChartElement<TDrawingContext> : IChartElement<TDrawingCont
 {
     private readonly List<IPaint<TDrawingContext>> _deletingTasks = new();
 
+    /// <inheritdoc cref="IChartElement{TDrawingContext}.Tag" />
+    public object? Tag { get; set; }
+
     /// <inheritdoc cref="IChartElement{TDrawingContext}.Measure(Chart{TDrawingContext})" />
     public abstract void Measure(Chart<TDrawingContext> chart);
 
diff --git a/src/LiveChartsCore/Kernel/IChartElement.cs b/src/LiveChartsCore/Kernel/IChartElement.cs
index 9d6da960e..48c0f987b 100644
--- a/src/LiveChartsCore/Kernel/IChartElement.cs
+++ b/src/LiveChartsCore/Kernel/IChartElement.cs
@@ -31,6 +31,11 @@ namespace LiveChartsCore.Kernel;
 public interface IChartElement<TDrawingContext>
     where TDrawingContext : DrawingContext
 {
+    /// <summary>
+    /// Gets or sets the object that contains data about the control.
+    /// </summary>
+    object? Tag { get; set; }
+
     /// <summary>
     /// Measures and schedule the draw of the element in the user interface.
     /// </summary>