diff --git a/src/Wpf/Prism.Wpf/Regions/NavigationParameters.cs b/src/Wpf/Prism.Wpf/Regions/NavigationParameters.cs
index bac9aba33b..871e847df3 100644
--- a/src/Wpf/Prism.Wpf/Regions/NavigationParameters.cs
+++ b/src/Wpf/Prism.Wpf/Regions/NavigationParameters.cs
@@ -1,9 +1,4 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Linq;
-using System.Reflection;
-using System.Text;
+using Prism.Common;
 
 namespace Prism.Regions
 {
@@ -13,260 +8,17 @@ namespace Prism.Regions
     /// <remarks>
     /// This class can be used to to pass object parameters during Navigation.
     /// </remarks>
-    public class NavigationParameters : IEnumerable<KeyValuePair<string, object>>
+    public class NavigationParameters : ParametersBase
     {
-        private readonly List<KeyValuePair<string, object>> _entries = new List<KeyValuePair<string, object>>();
-
-        /// <summary>
-        /// Gets the number of parameters contained in the NavigationParameters
-        /// </summary>
-        public int Count
-        {
-            get
-            {
-                return _entries.Count;
-            }
-        }
-
-        /// <summary>
-        /// Gets an IEnumerable containing the keys in the NavigationParameters
-        /// </summary>
-        public IEnumerable<string> Keys
-        {
-            get { return _entries.Select(x => x.Key); }
-        }
-
         /// <summary>
         /// Initializes a new instance of the <see cref="NavigationParameters"/> class.
         /// </summary>
-        public NavigationParameters()
-        {
-        }
-
-        /// <summary>
-        /// Initializes a new instance of the <see cref="NavigationParameters"/> class with a query string.
-        /// </summary>
-        /// <param name="query">The query string.</param>
-        public NavigationParameters(string query)
-        {
-            if (!String.IsNullOrWhiteSpace(query))
-            {
-                int num = query.Length;
-                for (int i = ((query.Length > 0) && (query[0] == '?')) ? 1 : 0; i < num; i++)
-                {
-                    int startIndex = i;
-                    int num4 = -1;
-                    while (i < num)
-                    {
-                        char ch = query[i];
-                        if (ch == '=')
-                        {
-                            if (num4 < 0)
-                            {
-                                num4 = i;
-                            }
-                        }
-                        else if (ch == '&')
-                        {
-                            break;
-                        }
-                        i++;
-                    }
-                    string key = null;
-                    string value = null;
-                    if (num4 >= 0)
-                    {
-                        key = query.Substring(startIndex, num4 - startIndex);
-                        value = query.Substring(num4 + 1, (i - num4) - 1);
-                    }
-                    else
-                    {
-                        value = query.Substring(startIndex, i - startIndex);
-                    }
-
-                    if (key != null)
-                        Add(Uri.UnescapeDataString(key), Uri.UnescapeDataString(value));
-                }
-            }
-        }
+        public NavigationParameters() : base() { }
 
         /// <summary>
-        /// Gets the <see cref="System.String"/> with the specified key.
+        /// Constructs a list of parameters
         /// </summary>
-        /// <returns>The value for the specified key, or <see langword="null"/> if the query does not contain such a key.</returns>
-        public object this[string key]
-        {
-            get
-            {
-                foreach (var kvp in this._entries)
-                {
-                    if (string.Compare(kvp.Key, key, StringComparison.Ordinal) == 0)
-                    {
-                        return kvp.Value;
-                    }
-                }
-
-                return null;
-            }
-        }
-
-        /// <summary>
-        /// Gets the enumerator.
-        /// </summary>
-        /// <returns></returns>
-        public IEnumerator<KeyValuePair<string, object>> GetEnumerator()
-        {
-            return this._entries.GetEnumerator();
-        }
-
-        IEnumerator IEnumerable.GetEnumerator()
-        {
-            return this.GetEnumerator();
-        }
-
-        /// <summary>
-        /// Adds the specified key and value.
-        /// </summary>
-        /// <param name="key">The name.</param>
-        /// <param name="value">The value.</param>
-        public void Add(string key, object value)
-        {
-            this._entries.Add(new KeyValuePair<string, object>(key, value));
-        }
-
-        /// <summary>
-        /// Determines whether the NavigationParameters contains the specified key
-        /// </summary>
-        /// <param name="key">The key to locate</param>
-        public bool ContainsKey(string key)
-        {
-            foreach (var kvp in _entries)
-            {
-                if (string.Compare(kvp.Key, key, StringComparison.Ordinal) == 0)
-                {
-                    return true;
-                }
-            }
-
-            return false;
-        }
-
-        /// <summary>
-        /// Gets a strongly typed value with the specified key.
-        /// </summary>
-        /// <typeparam name="T">The type to cast/convert the value to.</typeparam>
-        /// <param name="key">The key.</param>
-        /// <returns>The value.</returns>
-        public T GetValue<T>(string key)
-        {
-            foreach (var kvp in _entries)
-            {
-                if (string.Compare(kvp.Key, key, StringComparison.Ordinal) == 0)
-                {
-                    if (kvp.Value == null)
-                        return default(T);
-                    else if (kvp.Value.GetType() == typeof(T))
-                        return (T)kvp.Value;
-                    else if (typeof(T).GetTypeInfo().IsAssignableFrom(kvp.Value.GetType().GetTypeInfo()))
-                        return (T)kvp.Value;
-                    else
-                        return (T)Convert.ChangeType(kvp.Value, typeof(T));
-                }
-            }
-
-            return default(T);
-        }
-
-        /// <summary>
-        /// Gets a strongly typed value with the specified key.
-        /// </summary>
-        /// <typeparam name="T">The type to cast/convert the value to.</typeparam>
-        /// <param name="key">The key.</param>
-        /// <param name="value">Key value if such key exists.</param>
-        /// <returns>True if such key exists.</returns>
-        public bool TryGetValue<T>(string key, out T value)
-        {
-            foreach (var kvp in _entries)
-            {
-                if (string.Compare(kvp.Key, key, StringComparison.Ordinal) == 0)
-                {
-                    if (kvp.Value == null)
-                        value = default(T);
-                    else if (kvp.Value.GetType() == typeof(T))
-                        value = (T)kvp.Value;
-                    else if (typeof(T).GetTypeInfo().IsAssignableFrom(kvp.Value.GetType().GetTypeInfo()))
-                        value = (T)kvp.Value;
-                    else
-                        value = (T)Convert.ChangeType(kvp.Value, typeof(T));
-
-                    return true;
-                }
-            }
-
-            value = default(T);
-            return false;
-        }
-
-        /// <summary>
-        /// Gets a strongly typed collection containing the values with the specified key.
-        /// </summary>
-        /// <typeparam name="T">The type to cast/convert the value to.</typeparam>
-        /// <param name="key">The key.</param>
-        /// <returns>The collection of values.</returns>
-        public IEnumerable<T> GetValues<T>(string key)
-        {
-            List<T> values = new List<T>();
-
-            foreach (var kvp in _entries)
-            {
-                if (string.Compare(kvp.Key, key, StringComparison.Ordinal) == 0)
-                {
-                    if (kvp.Value == null)
-                        values.Add(default(T));
-                    else if (kvp.Value.GetType() == typeof(T))
-                        values.Add((T)kvp.Value);
-                    else if (typeof(T).GetTypeInfo().IsAssignableFrom(kvp.Value.GetType().GetTypeInfo()))
-                        values.Add((T)kvp.Value);
-                    else
-                        values.Add((T)Convert.ChangeType(kvp.Value, typeof(T)));
-                }
-            }
-
-            return values.AsEnumerable();
-        }
-
-        /// <summary>
-        /// Converts the list of key value pairs to a query string.
-        /// </summary>
-        /// <returns></returns>
-        public override string ToString()
-        {
-            var queryBuilder = new StringBuilder();
-
-            if (this._entries.Count > 0)
-            {
-                queryBuilder.Append('?');
-                var first = true;
-
-                foreach (var kvp in this._entries)
-                {
-                    if (!first)
-                    {
-                        queryBuilder.Append('&');
-                    }
-                    else
-                    {
-                        first = false;
-                    }
-
-                    queryBuilder.Append(Uri.EscapeDataString(kvp.Key));
-                    queryBuilder.Append('=');
-                    queryBuilder.Append(Uri.EscapeDataString(kvp.Value != null ? kvp.Value.ToString() : ""));
-                }
-            }
-
-            return queryBuilder.ToString();
-
-        }
+        /// <param name="query">Query string to be parsed</param>
+        public NavigationParameters(string query) : base(query) { }
     }
 }
diff --git a/src/Wpf/Prism.Wpf/Services/Dialogs/DialogParameters.cs b/src/Wpf/Prism.Wpf/Services/Dialogs/DialogParameters.cs
index 0ca6643bbf..f1bd78eda5 100644
--- a/src/Wpf/Prism.Wpf/Services/Dialogs/DialogParameters.cs
+++ b/src/Wpf/Prism.Wpf/Services/Dialogs/DialogParameters.cs
@@ -1,11 +1,24 @@
-using Prism.Regions;
+using Prism.Common;
 
 namespace Prism.Services.Dialogs
 {
-    public class DialogParameters : NavigationParameters, IDialogParameters
+    /// <summary>
+    /// Represents Dialog parameters.
+    /// </summary>
+    /// <remarks>
+    /// This class can be used to to pass object parameters during the showing and closing of Dialogs.
+    /// </remarks>
+    public class DialogParameters : ParametersBase, IDialogParameters
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DialogParameters"/> class.
+        /// </summary>
         public DialogParameters() : base() { }
 
+        /// <summary>
+        /// Constructs a list of parameters
+        /// </summary>
+        /// <param name="query">Query string to be parsed</param>
         public DialogParameters(string query) : base(query) { }
     }
 }