save_to_callback
Description:
Saves this by feeding the produced data to save_func.
Can be used when you want to store the attachment to something other than a file, such as an in-memory buffer or a socket. If error
is set, false will be returned. Possible errors include those in the
FileError domain and whatever the save function generates.
Parameters:
| this |
A Attachment. |
| save_func |
a function that is called to save each block of data that the save routine generates. |
| user_data |
user data to pass to the save function. |
Returns:
|
|