private void setMaximalPriceToolStripMenuItem_Click(object sender, EventArgs e)
{
if (listView1.SelectedIndices.Count == 0)
{
return;
}
FormNumberInput FNI = new FormNumberInput("Set new price", 0.0001, 100, OrderContainer.GetMaxPrice(listView1.SelectedIndices[0]), 4);
if (FNI.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
OrderContainer.SetMaxPrice(listView1.SelectedIndices[0], FNI.Value);
}
}