FireDAC TFDQuery LoadFromStream default format

[Mark Williams 14]

I am trying to load a TFDQuery from a memory stream using the default format.

 

I can do this fine from  file:

Query.LoadFromFile('c:\data.DAT', sfAuto);

If I load the same first into a stream and then call LoadFromStream I get error code 710 "Invalid Binary Storage Format". 

 

I have the DefaultStoreExt of the ResourceOptions for the Query's connection component set to ".DAT" and its DefaultStoreFormat to sfAuto.

 

Is there anything else I should be doing?

 

NB I have also tried setting the DefaultStoreExt without the lading period.

[Mark Williams 14]

have found cause of problem. Had to do with something else. Please ignore.