Add project files.

Program.cs

@@ -0,0 +1,36 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Windows.Forms;
+
+namespace CopyAndEncodeImage {
+    internal static class Program {
+        /// <summary>
+        /// The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        static void Main(params string[] args) {
+            if (args.Count() > 0) {
+                // If there are command line arguments, pass them to the form
+
+                if (Path.GetExtension(args[0].ToLower()) != ".png") {
+                    MessageBox.Show("Please provide a valid PNG file as the first argument.", "Invalid File", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    return;
+                }
+
+                var bytes = File.ReadAllBytes(args[0]);
+                string base64String = Convert.ToBase64String(bytes);
+                //string base64String = new string(base64Chars);
+
+                string output = $"data:image/png;base64,{base64String}";
+                Clipboard.SetText(output);
+            } else {
+                Application.EnableVisualStyles();
+                Application.SetCompatibleTextRenderingDefault(false);
+                Application.Run(new Form1());
+            }
+
+
+        }
+    }
+}