This method is used to prepare for inserting or updating a blob
value. Any existing blob data that is longer than the new data
is truncated. The data buffer must remain valid until the
operation has been executed.
the current read/write position to the point following the end
of the data. You can set
data to a
null pointer (
0) in order to create a
int setValue ( const void* data, Uint32 bytes )
Parameters. This method takes the two parameters listed here:
datathat is to be inserted or used to overwrite the blob value.
The number of
bytes—that is, the length—of the
0 on success,