void CustListViewMainSelectedIndexChanged(object sender, EventArgs e)
{
if (custListViewMain.SelectedIndices.Count > 0)
{
InitializeChoicesBlocks(Int32.Parse((custListViewMain.Items[custListViewMain.SelectedIndices[0]].Text)));
DisableInputs();
}
else
{
custListViewBlock.SelectedItems.Clear();
custListViewBlock.Items.Clear();
}
}