Index: Core/Components/src/Core.Components.OxyPlot.Forms/StackChartControl.cs
===================================================================
diff -u -r44c53e8ad9342f1b23ce2524c9fa69b92045bf53 -r5646b89f689d77c4e15694381f6dd1bd14cbb8c1
--- Core/Components/src/Core.Components.OxyPlot.Forms/StackChartControl.cs	(.../StackChartControl.cs)	(revision 44c53e8ad9342f1b23ce2524c9fa69b92045bf53)
+++ Core/Components/src/Core.Components.OxyPlot.Forms/StackChartControl.cs	(.../StackChartControl.cs)	(revision 5646b89f689d77c4e15694381f6dd1bd14cbb8c1)
@@ -44,6 +44,8 @@
         /// </summary>
         public StackChartControl()
         {
+            MinimumSize = new Size(200, 200);
+
             plotView = new CategoryPlotView
             {
                 BackColor = Color.White,
Index: Core/Components/test/Core.Components.OxyPlot.Forms.Test/StackChartControlTest.cs
===================================================================
diff -u -r0935e91fe26ea48983762d12057baa458f6a44d3 -r5646b89f689d77c4e15694381f6dd1bd14cbb8c1
--- Core/Components/test/Core.Components.OxyPlot.Forms.Test/StackChartControlTest.cs	(.../StackChartControlTest.cs)	(revision 0935e91fe26ea48983762d12057baa458f6a44d3)
+++ Core/Components/test/Core.Components.OxyPlot.Forms.Test/StackChartControlTest.cs	(.../StackChartControlTest.cs)	(revision 5646b89f689d77c4e15694381f6dd1bd14cbb8c1)
@@ -50,6 +50,9 @@
             CategoryPlotView plotView = chart.Controls.OfType<CategoryPlotView>().Single();
             Assert.AreEqual(Color.White, plotView.BackColor);
             Assert.IsTrue(plotView.Model.IsLegendVisible);
+
+            Assert.AreEqual(200, chart.MinimumSize.Width);
+            Assert.AreEqual(200, chart.MinimumSize.Height);
         }
 
         [Test]