Lots of updates

PWAPPv2/Source/DataObjects/ComboBoxData.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace PWAPPv2.Source.DataObjects
+{
+    abstract class ComboBoxData
+    {
+        protected ComboBox Box;
+
+        public ComboBoxData(ComboBox box)
+        {
+            Box = box;
+        }
+
+        public void Add(string content)
+        {
+            Box.Items.Add(content);
+        }
+
+        public string GetSelectedData()
+        {
+            return Box.SelectedItem.ToString();
+        }
+
+        public abstract void Update();
+
+        public abstract int GetSelectedIndex(string content);
+
+        public abstract int GetSelectedID();
+
+
+    }
+}