void wcProductInfo_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
{
PromptForm prompt = e.UserState as PromptForm;
prompt.Messages[prompt.Messages.Count - 1].Content = string.Format("正在下载产品信息...{0}%", e.ProgressPercentage);
prompt.RefreshDisplay();
}
void wcProductInfo_DownloadDataCompleted(object sender, DownloadDataCompletedEventArgs e)
{
PromptForm prompt = e.UserState as PromptForm;
string xml = Encoding.UTF8.GetString(e.Result);
BrandInfo.InitializeBrands(xml);
ProductInfo.InitializeProducts(xml);
prompt.Messages[prompt.Messages.Count - 1].Content = string.Format("成功下载{0}个产品信息.", ProductInfo.Products.Count);
prompt.RefreshDisplay();
prompt.OKEnabled = true;
}