我正在尝试开发通过网络连接到网络服务器的软件;一切正常,直到尝试使用加密狗来保护我的软件。我的加密狗有一些网络功能,它的 API 在网络基础设施下工作。 w当我将 Dongle 检查代码添加到我的程序时,我得到了这个错误:
"Either the application has not called WSAStartup, or WSAStartup failed"
我放置了抛出异常的代码块。我得到异常(exception)的情况是;我登录到程序(一切正常),然后拔下加密狗,然后程序停止并请求加密狗,我再次插入加密狗并尝试登录,但在线出现异常
response = (HttpWebResponse)request.GetResponse();
DongleService unikey = new DongleService();
checkDongle = unikey.isConnectedNow();
if (checkDongle)
{
isPass = true;
this.username = txtbxUser.Text;
this.pass = txtbxPass.Text;
this.IP = combobxServer.Text;
string uri = @"https://" + combobxServer.Text + ":5002num_events=1";
request = (HttpWebRequest)WebRequest.Create(uri);
request.Proxy = null;
request.Credentials = new NetworkCredential(this.username, this.pass);
ServicePointManager.ServerCertificateValidationCallback = ((sender, certificate, chain, sslPolicyErrors) => true);
response = (HttpWebResponse)request.GetResponse();
Properties.Settings.Default.User = txtbxUser.Text;
int index = _servers.FindIndex(p => p == combobxServer.Text);
if (index == -1)
{
_servers.Add(combobxServer.Text);
Config_Save.SaveServers(_servers);
_servers = Config_Save.LoadServers();
}
Properties.Settings.Default.Server = combobxServer.Text;
// also save the password
if (checkBox1.CheckState.ToString() == "Checked")
Properties.Settings.Default.Pass = txtbxPass.Text;
Properties.Settings.Default.settingLoginUsername = this.username;
Properties.Settings.Default.settingLoginPassword = this.pass;
Properties.Settings.Default.settingLoginPort = "5002";
Properties.Settings.Default.settingLoginIP = this.IP;
Properties.Settings.Default.isLogin = "guest";
Properties.Settings.Default.Save();
response.Close();
request.Abort();
this.isPass = true;
this.Close();
}
else
{
MessageBox.Show("Please Insert Correct Dongle!", "Dongle Error", MessageBoxButtons.OK, MessageBoxIcon.Stop);
}
最佳答案
WSAStartup 是套接字库中的第一个函数,它在开始使用 net 时执行。您可以导入
[DllImport("ws2_32.dll", CharSet = CharSet.Auto, SetLastError=true)]
static extern Int32 WSAGetLastError();
当出现异常时,执行 WSAGetLastError 并查看来自 here 的错误代码.希望它能帮助你。在您获得 Win32Exception 的特定情况下,您可以使用异常中的 NativeErrorCode,如 @Patrick 的注释中所写.
关于c# - "Either the application has not called WSAStartup, or WSAStartup failed"是什么意思?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/12542287/