private void Help_Add_Liquid_Click(object sender, RoutedEventArgs e)
{
HelpWindow hw1 = new HelpWindow();
hw1.Show();
}
private void Help_Add_Pipeline_Click(object sender, RoutedEventArgs e)
{
/*
var Grid_Add_Pipeline = this.Content as MyGrid;
var Help_Add_Pipeline = Grid_Add_Pipeline.Children[3] as MyButton;
MessageBox.Show("Выбран пункт Справка в окне добавления всасывающего трубопровода");
*/
HelpWindow hw1 = new HelpWindow();
hw1.Show();
}