Add gui panel to hex dump unknown ne resources by default.

exeinfogui/PanelHexDump.xeto.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Net.Sockets;
+using Eto.Forms;
+using Eto.Drawing;
+using Eto.Serialization.Xaml;
+
+namespace exeinfogui
+{
+    public class PanelHexDump : Panel
+    {
+        TextArea txtHexDump;
+        public PanelHexDump()
+        {
+            XamlReader.Load(this);
+        }
+
+        public void Update(byte[] data)
+        {
+            txtHexDump.Text = "";
+            for(long pos = 0; pos < data.LongLength; pos++)
+            {
+                if(pos > 0 && pos % 4 == 0) txtHexDump.Text += " ";
+                txtHexDump.Text += $"{data[pos]:X2} ";
+            }
+        }
+    }
+}