public static void ShowSingleWindow()
{
if (_window == null)
{
_window = new NewInvoiceWindow();
_window.Owner = App.Current.MainWindow;
_window.Show();
}
else
{
_window.Activate();
}
}
public static void ShowSingleWindow()
{
if (Window == null)
{
Window = new NewInvoiceWindow {
Owner = Application.Current.MainWindow
};
Window.Show();
}
else
{
Window.Activate();
}
}
private static void NewInvoiceWindow_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
Window = null;
}
private void NewInvoice()
{
NewInvoiceWindow.ShowSingleWindow();
}