private void WebResponseCallback(IAsyncResult result)
{
JSearch[] jSearchs;
try
{
HttpWebRequest request = ((HttpWebRequest)result.AsyncState);
StreamReader sr = new StreamReader(request.EndGetResponse(result).GetResponseStream());
string data = sr.ReadToEnd();
jSearchs = JsonConvert.DeserializeObject<JSearch[]>(data);
}
catch
{
jSearchs = new JSearch[0];
}
CallbackMethod(jSearchs);
}
private void Update(JSearch[] jSearchs)
{
Dispatcher.BeginInvoke(() =>
{
String showMessage ="";
for (int i = 0; i < jSearchs.Length; i++)
{
showMessage += i + "\n";
showMessage += "url: " + jSearchs[i].URL + "\n";
showMessage += "source: " + jSearchs[i].Source + "\n";
showMessage += "price: " + jSearchs[i].Price + "\n";
showMessage += "img: " + jSearchs[i].Img + "\n";
showMessage += "title: " + jSearchs[i].Title + "\n";
}
MessageBox.Show(showMessage);
});
}
private void SearchData(JSearch[] jSearchs)
{
Dispatcher.BeginInvoke(() => {
contentStackPanel.Children.Clear();
if (jSearchs.Length == 0)
contentStackPanel.Children.Add(fileNotFound());
for (int i = 0; i < jSearchs.Length; i++)
contentStackPanel.Children.Add(createlistview(jSearchs[i]));
});
}
private Grid createlistview( JSearch jSearchs)
{
Grid item = new Grid();
item.Name = jSearchs.URL;
item.Height = 150;
item.Tap += item_Tap;
//new and set value
TextBlock title = new TextBlock();
TextBlock source = new TextBlock();
TextBlock price = new TextBlock();
Image image = new Image();
title.Text = jSearchs.Title;
source.Text = jSearchs.Source;
price.Text ="$"+ jSearchs.Price;
image.Source = new BitmapImage(new Uri(jSearchs.Img, UriKind.RelativeOrAbsolute));
//set font
title.FontWeight = FontWeights.Bold;
source.FontSize = 19;
title.FontSize = 30;
price.FontSize = 50;
price.Foreground = new SolidColorBrush(Colors.Red);
source.Foreground = new SolidColorBrush(Colors.Orange);
title.TextWrapping = TextWrapping.Wrap;//換行
//設定邊界長寬
title.Margin = new Thickness(110, 0, 0, 0);
source.Margin = new Thickness(110, 110, 0, 0);
price.Margin = new Thickness(0, 0, 1, 0);
image.Width = 100;
image.Height = 100;
title.Height = 40 * 2;
title.Width = item.Width;
price.Width = item.Width;
//設定對齊
image.HorizontalAlignment = HorizontalAlignment.Left;
title.HorizontalAlignment = HorizontalAlignment.Left;
source.HorizontalAlignment = HorizontalAlignment.Left;
price.HorizontalAlignment = HorizontalAlignment.Right;
title.VerticalAlignment = VerticalAlignment.Top;
image.VerticalAlignment = VerticalAlignment.Top;
price.VerticalAlignment = VerticalAlignment.Bottom;
image.VerticalAlignment = VerticalAlignment.Center;
item.Margin = new Thickness(0, 20, 0, 0);
//最後add進去
item.Children.Add(image);
item.Children.Add(title);
item.Children.Add(source);
item.Children.Add(price);
item.Children.Add(drawLine());
return item;
}