The UploadProgressChangedEventArgs type exposes the following members.
|BytesReceived||Gets the number of bytes received|
|BytesSent||Gets the number of bytes sent.|
|ProgressPercentage||Gets the percentage of an asynchronous operation that has been completed. (Inherited from ProgressChangedEventArgs.)|
|TotalBytesToReceive||Gets the total number of bytes in a WebClient data upload operation.|
|TotalBytesToSend||Gets the total number of bytes to send.|
|UserState||Gets a unique user state. (Inherited from ProgressChangedEventArgs.)|