Windows phone 7 windows phone 7中的跨线程访问无效?
在上面的代码Messagebox.show dispalying“无效的跨线程访问”中。请告诉我如何解决此问题…任何与UI的代码交互都需要在dispatcher线程上,HTTP请求的回调将不会在此线程上运行,因此会出现错误 您应该能够使用类似 Deployment.Current.Dispatcher.BeginInvoke(()=>MessageBox.SHow(“成功”)) 显示消息框的步骤 鲁伯特Windows phone 7 windows phone 7中的跨线程访问无效?,windows-phone-7,Windows Phone 7,在上面的代码Messagebox.show dispalying“无效的跨线程访问”中。请告诉我如何解决此问题…任何与UI的代码交互都需要在dispatcher线程上,HTTP请求的回调将不会在此线程上运行,因此会出现错误 您应该能够使用类似 Deployment.Current.Dispatcher.BeginInvoke(()=>MessageBox.SHow(“成功”)) 显示消息框的步骤 鲁伯特 void GetResponseCallback(IAsyncResult asynchro
void GetResponseCallback(IAsyncResult asynchronousResult)
{
try
{
HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;
HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(asynchronousResult);
Stream streamResponse = response.GetResponseStream();
StreamReader streamRead = new StreamReader(streamResponse);
string responseString = streamRead.ReadToEnd();
XmlReader xmlDoc = XmlReader.Create(new MemoryStream(System.Text.UTF8Encoding.UTF8.GetBytes(responseString)));
while (xmlDoc.Read())
{
if (xmlDoc.NodeType == XmlNodeType.Element)
{
if (xmlDoc.Name.Equals("ResponseCode"))
{
responseCode = xmlDoc.ReadInnerXml();
}
}
}
if (Convert.ToInt32(responseCode) == 200)
{
MessageBox.Show("Success");
}
// Close the stream object
streamResponse.Close();
streamRead.Close();
// Release the HttpWebResponse
response.Close();
}
catch (WebException e)
{
// Error treatment
// ...
}
}
Dispatcher.BeginInvoke(() =>
MessageBox.Show("Your message")
);