public void UploadFile(byte[] content, string filename, string target)
{
ocl = DropboxClient.CreateOAuthClient(APP_KEY, APP_SECRET);
ai = ocl.GetAuthorizeInfo();
RequestToken = ai.RequestToken;
RequestTokenSecret = ai.RequestTokenSecret;
redirect_url = ai.AuthorizeUrl;
AccessTokenInfo t = ocl.GetAccessToken(RequestToken, RequestTokenSecret);
Token = t.Token;
TokenSecret = t.TokenSecret;
DropboxClient cl = new DropboxClient(APP_KEY, APP_SECRET, Token, TokenSecret);
HigLabo.Net.Dropbox.UploadFileCommand ul = new HigLabo.Net.Dropbox.UploadFileCommand();
ul.Root = RootFolder.Sandbox;
ul.FolderPath = target;
ul.FileName = filename;
ul.LoadFileData(content);
Metadata md = cl.UploadFile(ul);
}