diff --git a/QtMeshViewer/Header/MainWindow.h b/QtMeshViewer/Header/MainWindow.h
index 42c3e9e..db9db56 100644
--- a/QtMeshViewer/Header/MainWindow.h
+++ b/QtMeshViewer/Header/MainWindow.h
@@ -3,10 +3,10 @@
 #include <QWidget>
 #include "ui_MainWindow.h"
 #include "FileInfoWindow.h"
+#include <QFileSystemModel>
 #include <QByteArray>
 #include <QLabel>
 
-
 struct Material;
 
 class MainWindow : public QMainWindow
@@ -26,15 +26,19 @@ private:
 	int m_curSeverity;
 
 	FileInfoWindow* m_infoWindow;
+    QFileSystemModel* fmodel;
+    QStringList filters;
 
 // functions
 private:
 	void setupWidgets();
 	void getAssetLibrary();
+    void setAsset(QString path);
 	void searchMeshFiles(QString path);
 	void openFile();
 	void takeScreenShot();
 	void aboutTool();
+    void setAsset(QString);
 
 protected:
 	virtual void resizeEvent(QResizeEvent * e) Q_DECL_OVERRIDE;