void OpenDialog()
{
// Configure open file dialog box
var dlg = new Microsoft.Win32.OpenFileDialog { Filter = "Tous le fichiers (*.*)|*.*" };
// Show open file dialog box
Nullable<bool> result = dlg.ShowDialog();
// Process open file dialog box results
if( result == true )
{
// Open document
Manager.SetSelectedFile(dlg.FileName);
}
}