private void label9_Click(object sender, EventArgs e)
{
filterCars c1 = new filterCars();
this.Hide();
c1.Show();
}
private void FilterBTN_Click(object sender, EventArgs e)
{
_filterCars = new filterCars();
_filterCars.ShowDialog();
}
private void Car_Class(int start, int end)
{
_filterCars = new filterCars();
_filterCars.Car_price_in_filter(start, end);// посмотреть порядок вызова
_filterCars.ShowDialog();
}