I read:

when this works:

. .

and this don't:

. .

basically I modtly copy & paste from existing .pd files since this is guaranteed to be working code (and you can look at it before ;)

is there any comprehensive info on dynamicly building and setting = properties toggles,slider...etc. ?

there is some in the GUI example patches (how to set various things) for creation args look into the sources of .pd files, for messages try http://pd.iem.at/pdwiki/index.php?PdInternalMessages

regards,

x