>>>>>If I create another Data Session, I can switch between the default DS and the new DS, and independently set the default buffering mode for each DS with the Tools:Options:Data:Buffering setting.
>>>>>
>>>>>I know how to use CursorSetProp('buffering', 4) to change the value once the table is opened, but I can not figure out how to set the default buffering mode programmatically so the table opens in buffering mode 4, for example.
>>>>
>>>>CURSORSETPROP("Buffering",0) will set the default for all future cursors/tables buffering mode to be 4.
>>>
>>>That command gives an error.
>>
>>Whoops, that's because it's not right! ;)
>>
>>It should be CURSORSETPROP("Buffering",4,0).
>>
>>Sorry about that. :(
>
>This must be an undocumented feature. The second parameter of 4 is pessimistic buffering, and the 3rd parameter is usually a view or table name [if passed]. I just tried this on a remote view [where only optimistic buffering is permitted], and it worked.

Nope, it IS documented. Check the help for CURSORSETPROP. It's in there!