AWS SDK for .NET Documentation
FirstByte Property
AmazonAmazon.S3.ModelCopyPartRequestFirstByte Did this page help you?   Yes   No    Tell us about it...
The location of the first byte in the range if only a portion of the source object is to be copied as the part.
Declaration Syntax
public long FirstByte { get; set; }
The LastByte property must also be set or this value will be ignored.

Assembly: AWSSDK (Module: AWSSDK) Version: (