diff --git a/Demo/Windows/DrawPngInMemory/Form1.cs b/Demo/Windows/DrawPngInMemory/Form1.cs
new file mode 100644
index 0000000..369678a
--- /dev/null
+++ b/Demo/Windows/DrawPngInMemory/Form1.cs
@@ -0,0 +1,39 @@
+using System.Windows.Forms;
+using Cairo;
+using Color = Cairo.Color;
+using Graphics = System.Drawing.Graphics;
+
+namespace DrawPngInMemory
+{
+    public partial class Form1 : Form
+    {
+        public Graphics Graphics1 { get; private set; }
+        public Context Context1 { get; set; }
+        public Win32Surface Surface1 { get; private set; }
+        byte[] pngData = System.IO.File.ReadAllBytes("1.png");
+
+        public Form1()
+        {
+            InitializeComponent();
+        }
+
+        protected override void OnPaint(PaintEventArgs e)
+        {
+            base.OnPaint(e);
+
+            Graphics1 = e.Graphics;
+            Surface1 = new Win32Surface(Graphics1.GetHdc());
+            Context1 = new Context(Surface1);
+
+            using (ImageSurface pngImageSurface = new ImageSurface(pngData))
+            {
+                Context1.SetSource(pngImageSurface);
+                Context1.Paint();
+            }
+
+            Graphics1.Dispose();
+            Context1.Dispose();
+            Surface1.Dispose();
+        }
+    }
+}
diff --git a/Demo/Windows/DrawPngInMemory/Program.cs b/Demo/Windows/DrawPngInMemory/Program.cs
new file mode 100644
index 0000000..3568c84
--- /dev/null
+++ b/Demo/Windows/DrawPngInMemory/Program.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace DrawPngInMemory
+{
+    static class Program
+    {
+        /// <summary>
+        /// The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        static void Main()
+        {
+            Application.EnableVisualStyles();
+            Application.SetCompatibleTextRenderingDefault(false);
+            Application.Run(new Form1());
+        }
+    }
+}
diff --git a/Demo/Windows/WinFormDemo/Form1.Designer.cs b/Demo/Windows/WinFormDemo/Form1.Designer.cs
new file mode 100644
index 0000000..15970b8
--- /dev/null
+++ b/Demo/Windows/WinFormDemo/Form1.Designer.cs
@@ -0,0 +1,49 @@
+using Cairo;
+
+namespace WinFormDemo
+{
+    partial class Form1
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.SuspendLayout();
+            // 
+            // Form1
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(384, 262);
+            this.Name = "Form1";
+            this.Text = "CairoDemo cairo version: 1.14.2";
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+    }
+}
+
diff --git a/Demo/Windows/WinFormDemo/Program.cs b/Demo/Windows/WinFormDemo/Program.cs
new file mode 100644
index 0000000..c5e47d2
--- /dev/null
+++ b/Demo/Windows/WinFormDemo/Program.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace WinFormDemo
+{
+    static class Program
+    {
+        /// <summary>
+        /// The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        static void Main()
+        {
+            Application.EnableVisualStyles();
+            Application.SetCompatibleTextRenderingDefault(false);
+            Application.Run(new Form1());
+        }
+    }
+}