void CopyTheme(ChartTheme sourceTheme)
{
ChartTheme theme = new ChartTheme(sourceTheme);
theme.SetIsInternal(false);
if (sourceTheme.IsInternal)
{
theme.Name = string.Format("{0} {1}", Lang._("Copy of"), Lang._(sourceTheme.Name));
}
else
{
theme.Name = string.Format("{0} {1}", Lang._("Copy of"), sourceTheme.Name);
}
AddNewTheme(theme);
}