private void lstvwPermissoes_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
int colIndex = GetColumnIndex(e.X, e.Y);
if (colIndex > 0)
{
ListViewItem item = lstvwUserPermissoes.GetItemAt(e.X, e.Y);
if (CanChangePermission(currentTipoFunction, colIndex))
ChangePermission((GISADataset.TrusteeRow)item.Tag, currentTipoFunction, item, colIndex);
}
}
}