implemented "clear ended" button, not enough spotted pacas.

.gitignore

@@ -5,4 +5,5 @@ bin/
 obj/
 out/
 yahoo.html
-.vs/
+.vs/
+/buypeeb.sln

MainWindow.cs

@@ -26,6 +26,7 @@ using System.Threading.Tasks;
 using System.Net;
 using System.Diagnostics;
 using Gtk;
+using System.Linq;
 
 namespace Buypeeb {
 	public struct ItemColumns {
@@ -369,6 +370,25 @@ namespace Buypeeb {
 
 		private void ButtonClearEndedClicked(object sender, EventArgs a) {
 			Console.WriteLine("ButtonClearEndedClicked");
+			var md = this.OkCancelDialogue("Are you sure you want to remove all ended auctions from the list?");
+			var r = (ResponseType)md.Run();
+			md.Dispose();
+			if (r != ResponseType.Ok) {
+				return;
+            }
+
+			var removeMe = new List<string>();
+			foreach(var item in this.settings.watchlist) {
+				if (!item.Value.available) {
+					removeMe.Add(item.Key);
+                }
+            }
+
+			foreach(var id in removeMe) {
+				this.settings.watchlist.Remove(id);
+            }
+
+			this.RenderList();
 		}
 
 		private void ButtonClearAllClicked(object sender, EventArgs a) {

ui/main.glade

@@ -115,7 +115,7 @@
                     <child>
                       <object class="GtkToolButton" id="ButtonClearEnded">
                         <property name="visible">True</property>
-                        <property name="sensitive">False</property>
+                        <property name="sensitive">True</property>
                         <property name="can_focus">False</property>
                         <property name="tooltip_text" translatable="yes">Clear ended</property>
                         <property name="label" translatable="yes">Clear ended</property>