Problem in creating a QFileSystemModel

[kamlmish]

Hi All

I am creating an application where on a button click , the "browse to directory" window pops up
I have created the application , but when I initialise the QFileSystemModel, I get error
The code has been given below where the SLOT(FileBrowseWindow()) should be called when we click the browse_button
BUt currently , I am unable to initialise
m_Model = new QFileSystemModel(this); Line 11
while debugging the code goes in QGRAYRASTER.C

window::window()
{
    setAcceptDrops(false);
    namelabel = new QLabel("Name",this);
    nametext = new QTextEdit(this);
    loclabel = new QLabel("Location",this);
    locText = new QTextEdit(this);
    browse_button = new QPushButton("Browse",this);
    ok_button = new QPushButton("Ok",this);
    cancel_button = new QPushButton("Cancel",this);
    m_Model = new QFileSystemModel(this);
 
    //creation of menu
    createMenu();
 
 
 
 
    //connection: signal & slots
    connect(browse_button,SIGNAL(clicked()),this,SLOT(FileBrowseWindow()),Qt::AutoConnection);
 connect(cancel_button,SIGNAL(clicked()),this,SLOT(ClearButton()),Qt::AutoConnection);
 
}

window::window()
{
    setAcceptDrops(false);
    namelabel = new QLabel("Name",this);
    nametext = new QTextEdit(this);
    loclabel = new QLabel("Location",this);
    locText = new QTextEdit(this);
    browse_button = new QPushButton("Browse",this);
    ok_button = new QPushButton("Ok",this);
    cancel_button = new QPushButton("Cancel",this);
    m_Model = new QFileSystemModel(this);

    //creation of menu
    createMenu();




    //connection: signal & slots
    connect(browse_button,SIGNAL(clicked()),this,SLOT(FileBrowseWindow()),Qt::AutoConnection);
 connect(cancel_button,SIGNAL(clicked()),this,SLOT(ClearButton()),Qt::AutoConnection);

}

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void window::FileBrowseWindow()
{
 
    QTreeView tree;
    tree.setModel(m_Model);
    m_Model->setRootPath(QString("/home/kamlesh/"));
    tree.resize(640,480);
    tree.show();
}

void window::FileBrowseWindow()
{

    QTreeView tree;
    tree.setModel(m_Model);
    m_Model->setRootPath(QString("/home/kamlesh/"));
    tree.resize(640,480);
    tree.show();
}

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[hackerNovitiate]

while debugging the code goes in QGRAYRASTER.C

Can you provide the exact message? That will make it easier to identify the problem.