Acquires a raw sequence of bytes from the data stored in TBlob.
function Read(Position: Cardinal; Count: Cardinal; Dest: IntPtr): Cardinal; virtual;
Call the Read method to acquire a raw sequence of bytes from the data stored in TBlob.
The Position parameter is the starting point of byte sequence which lasts Count number of bytes. The Dest parameter is a pointer to the memory area where to store the sequence.
If the sequence crosses object size limit, function will return actually read byte count.