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Added dns change error messages

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This commit is contained in:
Jaex 2014-03-31 13:23:56 +03:00
parent 4eefd960ad
commit 6a15f8d5d3
2 changed files with 49 additions and 41 deletions
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41
HelpersLib/AdapterInfo.cs
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@ -81,40 +81,29 @@ public string[] GetDNS()
return (string[])adapter["DnsServerSearchOrder"]; return (string[])adapter["DnsServerSearchOrder"];
} }
public bool SetDNS(string primary, string secondary) public uint SetDNS(string primary, string secondary)
{ {
try using (ManagementBaseObject parameters = adapter.GetMethodParameters("SetDNSServerSearchOrder"))
{ {
using (ManagementBaseObject parameters = adapter.GetMethodParameters("SetDNSServerSearchOrder")) if (primary == null || secondary == null)
{ {
if (parameters != null) // Obtain DNS server address automatically
{ parameters["DNSServerSearchOrder"] = null;
if (primary == null || secondary == null) }
{ else
// Obtain DNS server address automatically {
parameters["DNSServerSearchOrder"] = null; parameters["DNSServerSearchOrder"] = new string[] { primary, secondary };
} }
else
{
parameters["DNSServerSearchOrder"] = new string[] { primary, secondary };
}
using (ManagementBaseObject result = adapter.InvokeMethod("SetDNSServerSearchOrder", parameters, null)) // http://msdn.microsoft.com/en-us/library/aa393295(v=vs.85).aspx
{ using (ManagementBaseObject result = adapter.InvokeMethod("SetDNSServerSearchOrder", parameters, null))
return (uint)result["ReturnValue"] == 0; {
} return (uint)result["ReturnValue"];
}
} }
} }
catch (Exception e)
{
DebugHelper.WriteException(e);
}
return false;
} }
public bool SetDNSAutomatic() public uint SetDNSAutomatic()
{ {
return SetDNS(null, null); return SetDNS(null, null);
} }

49
HelpersLib/Forms/DNSChangerForm.cs
View file

@ -129,27 +129,46 @@ private void btnSave_Click(object sender, EventArgs e)
if (adapter != null) if (adapter != null)
{ {
bool result = false; uint result;
if (cbAutomatic.Checked) try
{ {
result = adapter.SetDNSAutomatic(); if (cbAutomatic.Checked)
}
else
{
string primaryDNS = txtPreferredDNS.Text.Trim();
string secondaryDNS = txtAlternateDNS.Text.Trim();
if (Helpers.IsValidIPAddress(primaryDNS) && Helpers.IsValidIPAddress(secondaryDNS))
{ {
result = adapter.SetDNS(primaryDNS, secondaryDNS); result = adapter.SetDNSAutomatic();
}
else
{
string primaryDNS = txtPreferredDNS.Text.Trim();
string secondaryDNS = txtAlternateDNS.Text.Trim();
if (Helpers.IsValidIPAddress(primaryDNS) && Helpers.IsValidIPAddress(secondaryDNS))
{
result = adapter.SetDNS(primaryDNS, secondaryDNS);
}
else
{
throw new Exception("Not valid ip address.");
}
}
if (result == 0)
{
NativeMethods.DnsFlushResolverCache();
MessageBox.Show("DNS successfully set.", "ShareX", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else if (result == 1)
{
MessageBox.Show("DNS successfully set. Reboot is required.", "ShareX", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else if (result > 1)
{
MessageBox.Show("DNS set failed with error code: " + result, "ShareX", MessageBoxButtons.OK, MessageBoxIcon.Error);
} }
} }
catch (Exception ex)
if (result)
{ {
NativeMethods.DnsFlushResolverCache(); MessageBox.Show("DNS set failed.\r\n" + ex.ToString(), "ShareX", MessageBoxButtons.OK, MessageBoxIcon.Error);
MessageBox.Show("DNS successfully set.", "ShareX", MessageBoxButtons.OK, MessageBoxIcon.Information);
} }
} }
} }