diff --git a/source/app.d b/source/app.d
index 91ce93d..b584422 100644
--- a/source/app.d
+++ b/source/app.d
@@ -110,7 +110,19 @@ void main(string[] args)
 
 
 	window.showAll();
+
+
+	//prints the tree model
+	TreeIter it = new TreeIter();
+	store.getIterFirst(it);//TODO: fail if first is null
+	do{
+		for(int i=0 ; i<twoda.header.length ; i++){
+			write("\t",store.getValueString(it, i));
+		}
+		writeln();
+	}while(store.iterNext(it));
 	Main.run();
+
 }