get_content_range

Description:

public bool get_content_range (out int64 start, out int64 end, out int64 total_length)

Parses this's Content-Range header and returns it in start, end, and total_length.

If the total length field in the header was specified as "*", then total_length will be set to -1.

this	a MessageHeaders
start	return value for the start of the range
end	return value for the end of the range
total_length	return value for the total length of the resource, or null if you don't care.

true if this contained a "Content-Range" header containing a byte range which could be parsed, false otherwise.