I don't even know anymore

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;
+            }
+        }
     }
 }