/// <summary>
/// 清空列表
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MenuItem_Click_1(object sender, RoutedEventArgs e)
{
canvas.Children.Clear();
string pno = (App.Current.Resources["Locator"] as ViewModelLocator).Paper.Project.ProjectNO;
string fixno = (App.Current.Resources["Locator"] as ViewModelLocator).Paper.CablePaper.FixtureCode;
SQliteDbContext.DeleteALLPin(pno, fixno);
(App.Current.Resources["Locator"] as ViewModelLocator).Paper.Pins.Clear();
}
