Added GUI pages for GEM resources.

exeinfogui/GEM/PanelGemGeneric.xeto.cs

@@ -0,0 +1,28 @@
+using Eto.Forms;
+using Eto.Serialization.Xaml;
+
+namespace exeinfogui.GEM
+{
+    public class PanelGemGeneric : Panel
+    {
+        TextBox txtCoordinates;
+        TextBox txtData;
+        TextBox txtFlags;
+        TextBox txtSize;
+        TextBox txtState;
+
+        public PanelGemGeneric()
+        {
+            XamlReader.Load(this);
+        }
+
+        public void Update(libexeinfo.GEM.TreeObjectNode node)
+        {
+            txtFlags.Text       = node.flags == 0 ? "None" : node.flags.ToString();
+            txtState.Text       = node.state == 0 ? "Normal" : node.state.ToString();
+            txtCoordinates.Text = $"{node.x},{node.y}";
+            txtSize.Text        = $"{node.width}x{node.height} pixels";
+            txtData.Text        = $"{node.data}";
+        }
+    }
+}