private void deleteScheme()
{
int index = colorSchemesListView.SelectedIndex;
if (index >= 0)
{
string text = "确认删除\"" + _colors.GetTableDataConfig(index).Heading + "\"" + "？";
if (MessageBox.Show(text, "提示", MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No) == MessageBoxResult.Yes)
{
_colors.RemoveAt(index);
loadColorSchemesListView();
}
}
}
