private void btn_Add_Click(object sender, RoutedEventArgs e)
{
if (New_ClassWindow != null)
New_ClassWindow.Close();
New_ClassWindow = new new_Class(SendingFrom);
New_ClassWindow.closeWindow.Click +=new RoutedEventHandler(closeWindow_Click);
New_ClassWindow.UpdateList.Click+=new RoutedEventHandler(UpdateList_Click);
New_ClassWindow.Owner = Window.GetWindow(this);
New_ClassWindow.ShowDialog();
}
void closeWindow_Click(object sender, RoutedEventArgs e)
{
if(editWin!=null)
editWin.Close();
editWin = null;
if (New_ClassWindow != null)
New_ClassWindow.Close();
New_ClassWindow = null;
if (deleteWindow != null)
deleteWindow = null;
ShowClasses();//Refreshes the classes
}
