protected static List <KeyValuePair <System.Type, CommandInfoAttribute> > GetFilteredSupportedCommands(Flowchart flowchart)
{
List <KeyValuePair <System.Type, CommandInfoAttribute> > filteredAttributes = BlockEditor.GetFilteredCommandInfoAttribute(commandTypes);
filteredAttributes.Sort(BlockEditor.CompareCommandAttributes);
filteredAttributes = filteredAttributes.Where(x => flowchart.IsCommandSupported(x.Value)).ToList();
return(filteredAttributes);
}