SendFileAsync() public method

public SendFileAsync ( string filePath ) : Task
filePath string
return Task
        private static async Task SendFileToResponse(OwinResponse response, CrossAppDomainResponseFile file) {
            if(response.CanSendFile)
            {
                await response.SendFileAsync(file.Path, file.Length, file.Offset, CancellationToken.None);
                return;
            }

            var buffer = new byte[file.Length - file.Offset];
            using (var stream = File.OpenRead(file.Path)) {
                stream.Seek(file.Offset, SeekOrigin.Begin);
                await stream.ReadAsync(buffer, 0, (int)file.Length);
            }
            await response.WriteAsync(buffer);
        }