Gets the value for an existing meta data tag. Meta data tag names can be something like e.g. "comment". Returned values need to be released when done.
preset name
meta data item name
value. [out callee-allocates]
TRUE for success, FALSE if e.g. there is no preset with that name or no value for the given tag
See Implementation
Gets the value for an existing meta data tag. Meta data tag names can be something like e.g. "comment". Returned values need to be released when done.