diff --git a/bgrive/src/DriveModel.cc b/bgrive/src/DriveModel.cc
index e2b7d4b..90cd2af 100644
--- a/bgrive/src/DriveModel.cc
+++ b/bgrive/src/DriveModel.cc
@@ -94,7 +94,6 @@ QModelIndex DriveModel::parent( const QModelIndex& idx ) const
 
 	// if my parent is root, return model index of root (i.e. QModelIndex())
 	const Resource *parent = m_drv.Parent(res) ;
-	
 	if ( parent == 0 || parent == m_drv.Root() || idx.column() != 0 )
 		return QModelIndex() ;
 
diff --git a/bgrive/src/DriveModel.hh b/bgrive/src/DriveModel.hh
index 1a74283..07d3b32 100644
--- a/bgrive/src/DriveModel.hh
+++ b/bgrive/src/DriveModel.hh
@@ -46,7 +46,6 @@ public :
 	QModelIndex index( int row, int column, const QModelIndex& parent ) const ;
 	QModelIndex parent( const QModelIndex& idx ) const ;
 
-private :
 	const v2::Resource* Res( const QModelIndex& idx ) const ;
 
 private :
diff --git a/bgrive/src/MainWnd.cc b/bgrive/src/MainWnd.cc
index 84bf64f..28d4e08 100644
--- a/bgrive/src/MainWnd.cc
+++ b/bgrive/src/MainWnd.cc
@@ -20,16 +20,39 @@
 
 #include "MainWnd.hh"
 
+#include "drive2/Resource.hh"
+
+#include <QtCore/QDebug>
+
 #include <cassert>
 
 namespace gr {
 
+using namespace v2 ;
+
 MainWnd::MainWnd( http::Agent *agent ) :
 	m_drive( agent )
 {
 	m_ui.setupUi(this) ;
-	
 	m_ui.m_dir->setModel( &m_drive ) ;
+	
+	connect(
+		m_ui.m_dir,	SIGNAL(activated(const QModelIndex&)),
+		this,		SLOT(OnClick(const QModelIndex&))
+	) ;
+}
+
+void MainWnd::OnClick( const QModelIndex& index )
+{
+	const Resource *res = m_drive.Res(index) ;
+	if ( res != 0 )
+		ShowResource( res ) ;
+}
+
+void MainWnd::ShowResource( const v2::Resource *res )
+{
+	m_ui.m_title->setText( QString::fromUtf8(res->Title().c_str()) ) ;
+	m_ui.m_mime_type->setText( QString::fromUtf8(res->Mime().c_str()) ) ;
 }
 
 } // end of namespace
diff --git a/bgrive/src/MainWnd.hh b/bgrive/src/MainWnd.hh
index 5551a6b..fe9401b 100644
--- a/bgrive/src/MainWnd.hh
+++ b/bgrive/src/MainWnd.hh
@@ -25,6 +25,8 @@
 
 #include "DriveModel.hh"
 
+class QModelIndex ;
+
 namespace gr {
 
 namespace http
@@ -39,6 +41,12 @@ class MainWnd : public QMainWindow
 public :
 	MainWnd( http::Agent *agent ) ;
 
+private :
+	void ShowResource( const v2::Resource *res ) ;
+
+public slots :
+	void OnClick( const QModelIndex& index ) ;
+
 private :
 	Ui::MainWindow	m_ui ;
 	DriveModel		m_drive ;
diff --git a/libgrive/src/drive2/Drive.cc b/libgrive/src/drive2/Drive.cc
index 2a28cfd..cb3fad6 100644
--- a/libgrive/src/drive2/Drive.cc
+++ b/libgrive/src/drive2/Drive.cc
@@ -23,6 +23,7 @@
 #include "CommonUri.hh"
 #include "Feed.hh"
 #include "protocol/Json.hh"
+#include "util/Exception.hh"
 
 #include <iostream>
 #include <iterator>
@@ -140,6 +141,11 @@ const Resource* Drive::Root() const
 
 const Resource* Drive::Child( const Resource *parent, std::size_t idx ) const
 {
+	if ( idx >= parent->ChildCount() )
+		BOOST_THROW_EXCEPTION(
+			Exception()
+		) ;
+	
 	return Find( parent->At(idx) ) ;
 }