diff --git a/.vs/Password Manager/DesignTimeBuild/.dtbcache.v2 b/.vs/Password Manager/DesignTimeBuild/.dtbcache.v2
index e392b5a..cea98f0 100644
Binary files a/.vs/Password Manager/DesignTimeBuild/.dtbcache.v2 and b/.vs/Password Manager/DesignTimeBuild/.dtbcache.v2 differ
diff --git a/.vs/Password Manager/v17/.suo b/.vs/Password Manager/v17/.suo
index 65fd6d0..7cf3bb7 100644
Binary files a/.vs/Password Manager/v17/.suo and b/.vs/Password Manager/v17/.suo differ
diff --git a/Password Manager/Fields.cs b/Password Manager/Fields.cs
new file mode 100644
index 0000000..e9d82c3
--- /dev/null
+++ b/Password Manager/Fields.cs	
@@ -0,0 +1,10 @@
+using System;
+
+namespace Password_Manager
+{
+    static class Fields
+    {
+        public static Profile CurrentProfile;
+        public static ProfileList ListOfProfiles;
+    }
+}
diff --git a/Password Manager/Form1.Designer.cs b/Password Manager/Form1.Designer.cs
index 4cd56c2..75fd00a 100644
--- a/Password Manager/Form1.Designer.cs	
+++ b/Password Manager/Form1.Designer.cs	
@@ -76,8 +76,8 @@
 
         #endregion
 
-        private TextBox searchBox;
-        private ListBox resultList;
-        private ComboBox profileSelection;
+        public TextBox searchBox;
+        public ListBox resultList;
+        public ComboBox profileSelection;
     }
 }
\ No newline at end of file
diff --git a/Password Manager/Form1.cs b/Password Manager/Form1.cs
index 8a55f13..1d6c11f 100644
--- a/Password Manager/Form1.cs	
+++ b/Password Manager/Form1.cs	
@@ -9,12 +9,15 @@ namespace Password_Manager
 
         private void ChangeProfile(object sender, EventArgs e)
         {
+            ComboBox cb = (ComboBox)sender;
+            Fields.CurrentProfile = Fields.ListOfProfiles.SearchByName(cb.Text);
 
+            
         }
 
         private void UpdateResultList(object sender, EventArgs args)
         {
-
+            //TODO: 
         }
     }
 }
\ No newline at end of file
diff --git a/Password Manager/IList.cs b/Password Manager/IList.cs
new file mode 100644
index 0000000..34fa6d4
--- /dev/null
+++ b/Password Manager/IList.cs	
@@ -0,0 +1,38 @@
+using System;
+
+namespace Password_Manager
+{
+    abstract class IList<T>
+    {
+        protected T[] list;
+
+        public int Length
+        {
+            get
+            {
+                return list.Length;
+            }
+        }
+
+        public T this[int index]
+        {
+            get
+            {
+                return list[index];
+            }
+        }
+
+        public IList()
+        {
+            this.list = new T[0];
+        }
+
+        public abstract void Add(T item);
+        public abstract void Remove(T item);
+        public abstract T SearchByName(string name);
+        public void Clear()
+        {
+            list = new T[0];
+        }
+    }
+}
diff --git a/Password Manager/PasswordList.cs b/Password Manager/PasswordList.cs
new file mode 100644
index 0000000..22747b1
--- /dev/null
+++ b/Password Manager/PasswordList.cs	
@@ -0,0 +1,14 @@
+using System;
+
+namespace Password_Manager
+{
+    sealed class PasswordListBox : ListBox
+    {
+        public PasswordListBox() : base() { }
+
+        public void ReadFromPath()
+        {
+            //read all files from
+        }
+    }
+}
diff --git a/Password Manager/Profile.cs b/Password Manager/Profile.cs
index 43a591e..74ce88a 100644
--- a/Password Manager/Profile.cs	
+++ b/Password Manager/Profile.cs	
@@ -8,6 +8,14 @@ namespace Password_Manager
     {
         public string Name { get; } //the name of the password store profile ("personal", "work", or similar)
         public string Path { get; } //path of the folder containing the password store
+        private Password[] Passwords;
         public event PasswordStoreChange Change; //runs if a new password is added, or if one is removed
+
+        public Profile(string name, string path, PasswordStoreChange change)
+        {
+            Name = name;
+            Path = path;
+            Change = change;
+        }
     }
 }
diff --git a/Password Manager/ProfileList.cs b/Password Manager/ProfileList.cs
index 597c120..025f102 100644
--- a/Password Manager/ProfileList.cs	
+++ b/Password Manager/ProfileList.cs	
@@ -2,32 +2,12 @@
 
 namespace Password_Manager
 {
-    sealed class ProfileList
+    sealed class ProfileList : IList<Profile>
     {
-        private Profile[] list;
 
-        public int Length
-        {
-            get
-            {
-                return this.list.Length;
-            }
-        }
+        public ProfileList() : base() { }
 
-        public Profile this[int index]
-        {
-            get
-            {
-                return this.list[index];
-            }
-        }
-
-        public ProfileList()
-        {
-            this.list = new Profile[0];
-        }
-
-        public void Add(Profile p)
+        public override void Add(Profile p)
         {
             //grow the list by 1 and copy all existing items
             Profile[] tmp = new Profile[this.Length + 1];
@@ -44,7 +24,7 @@ namespace Password_Manager
             list[this.Length - 1] = p;
         }
 
-        public void Remove(Profile p)
+        public override void Remove(Profile p)
         {
             Profile[] tmp = new Profile[this.Length - 1];
 
@@ -58,5 +38,27 @@ namespace Password_Manager
 
             this.list = tmp;
         }
+
+        public override Profile SearchByName(string name)
+        {
+            Profile result = null;
+
+            for (int i = 0; i < this.Length; i++)
+            {
+                if (this[i].Name == name)
+                {
+                    result = this[i];
+                }
+            }
+
+            if (result == null)
+            {
+                throw new ProfileNotFoundException();
+            }
+            else
+            {
+                return result;
+            }
+        }
     }
 }
diff --git a/Password Manager/ProfileNotFoundException.cs b/Password Manager/ProfileNotFoundException.cs
new file mode 100644
index 0000000..bda9248
--- /dev/null
+++ b/Password Manager/ProfileNotFoundException.cs	
@@ -0,0 +1,13 @@
+using System;
+using System.Runtime.CompilerServices;
+
+namespace Password_Manager
+{
+    sealed class ProfileNotFoundException : Exception
+    {
+        public ProfileNotFoundException() : base() { }
+        public ProfileNotFoundException(string message) : base(message) { }
+        public ProfileNotFoundException(string message, Exception inner) : base(message, inner) { }
+
+    }
+}