protected override void OnStartup(StartupEventArgs e)
{
EventManager.RegisterClassHandler(typeof(TextBox), TextBox.KeyDownEvent, new KeyEventHandler(TextBox_KeyDown));
EventManager.RegisterClassHandler(typeof(CheckBox), CheckBox.KeyDownEvent, new KeyEventHandler(CheckBox_KeyDown));
EventManager.RegisterClassHandler(typeof(ComboBox), ComboBox.KeyDownEvent, new KeyEventHandler(ComboBox_KeyDown));
EventManager.RegisterClassHandler(typeof(RadioButton), RadioButton.KeyDownEvent, new KeyEventHandler(RadioButton_KeyDown));
EventManager.RegisterClassHandler(typeof(PasswordBox), PasswordBox.KeyDownEvent, new KeyEventHandler(PasswordBox_KeyDown));
//EventManager.RegisterClassHandler(typeof(TabItem), TabItem.KeyDownEvent, new KeyEventHandler(TabItem_KeyDown));
FrameworkUtil.CarregarConfiguracao();
FrameworkUtil.objGerenciaCupom = new GerenciaCupom();
this.StartupUri = new System.Uri("View/winPrincipal.xaml", System.UriKind.Relative);
}