mirror of
https://github.com/ShareX/ShareX.git
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171 lines
5.7 KiB
C#
171 lines
5.7 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (C) 2008-2014 ShareX Developers
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Management;
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using System.Text;
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using System.Windows.Forms;
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namespace HelpersLib
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{
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public partial class DNSChangerForm : Form
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{
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private string tempPrimaryDNS, tempSecondaryDNS;
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public DNSChangerForm()
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{
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InitializeComponent();
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Icon = ShareXResources.Icon;
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foreach (AdapterInfo adapter in GetEnabledAdapters())
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{
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cbAdapters.Items.Add(adapter);
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}
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if (cbAdapters.Items.Count > 0)
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{
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cbAdapters.SelectedIndex = 0;
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}
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cbDNSType.Items.Add(new DNSInfo("Custom"));
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cbDNSType.Items.Add(new DNSInfo("Google Public DNS", "8.8.8.8", "8.8.4.4"));
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cbDNSType.Items.Add(new DNSInfo("OpenDNS", "208.67.222.222", "208.67.220.220"));
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cbDNSType.Items.Add(new DNSInfo("Level 3", "4.2.2.1", "4.2.2.2"));
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cbDNSType.Items.Add(new DNSInfo("Norton DNS", "199.85.126.10", "199.85.127.10"));
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cbDNSType.Items.Add(new DNSInfo("Comodo Secure DNS", "8.26.56.26", "8.20.247.20"));
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cbDNSType.SelectedIndex = 0;
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}
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private List<AdapterInfo> GetEnabledAdapters()
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{
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List<AdapterInfo> adapters = new List<AdapterInfo>();
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using (ManagementObjectSearcher searcher = new ManagementObjectSearcher(@"SELECT * FROM Win32_NetworkAdapterConfiguration WHERE IPEnabled = TRUE"))
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{
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foreach (ManagementObject mo in searcher.Get())
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{
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adapters.Add(new AdapterInfo(mo));
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}
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}
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return adapters;
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}
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private void cbAdapters_SelectedIndexChanged(object sender, EventArgs e)
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{
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AdapterInfo adapter = cbAdapters.SelectedItem as AdapterInfo;
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if (adapter != null)
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{
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string[] dns = adapter.GetDNS();
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if (dns != null)
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{
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tempPrimaryDNS = dns[0];
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txtPreferredDNS.Text = tempPrimaryDNS;
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tempSecondaryDNS = dns[1];
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txtAlternateDNS.Text = tempSecondaryDNS;
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}
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}
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btnSave.Enabled = false;
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}
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private bool CheckDNSChanged()
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{
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string primaryDNS = txtPreferredDNS.Text.Trim();
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string secondaryDNS = txtAlternateDNS.Text.Trim();
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return !string.IsNullOrEmpty(primaryDNS) && !string.IsNullOrEmpty(secondaryDNS) && (primaryDNS != tempPrimaryDNS || secondaryDNS != tempSecondaryDNS);
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}
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private void btnSave_Click(object sender, EventArgs e)
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{
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string primaryDNS = txtPreferredDNS.Text.Trim();
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string secondaryDNS = txtAlternateDNS.Text.Trim();
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if (!string.IsNullOrEmpty(primaryDNS) && !string.IsNullOrEmpty(secondaryDNS))
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{
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AdapterInfo adapter = cbAdapters.SelectedItem as AdapterInfo;
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if (adapter != null)
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{
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bool result = adapter.SetDNS(primaryDNS, secondaryDNS);
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if (result)
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{
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tempPrimaryDNS = txtPreferredDNS.Text;
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tempSecondaryDNS = txtAlternateDNS.Text;
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btnSave.Enabled = false;
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MessageBox.Show("DNS successfully set.", "ShareX", MessageBoxButtons.OK, MessageBoxIcon.Information);
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}
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}
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}
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}
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private void btnCancel_Click(object sender, EventArgs e)
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{
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Close();
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}
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private void txtPreferredDNS_TextChanged(object sender, EventArgs e)
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{
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btnSave.Enabled = CheckDNSChanged();
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}
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private void txtAlternateDNS_TextChanged(object sender, EventArgs e)
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{
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btnSave.Enabled = CheckDNSChanged();
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}
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private void cbDNSType_SelectedIndexChanged(object sender, EventArgs e)
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{
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if (cbDNSType.SelectedIndex == 0)
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{
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txtPreferredDNS.Enabled = true;
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txtAlternateDNS.Enabled = true;
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}
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else if (cbDNSType.SelectedIndex > 0)
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{
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txtPreferredDNS.Enabled = false;
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txtAlternateDNS.Enabled = false;
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DNSInfo dnsInfo = cbDNSType.SelectedItem as DNSInfo;
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if (dnsInfo != null)
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{
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txtPreferredDNS.Text = dnsInfo.PrimaryDNS;
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txtAlternateDNS.Text = dnsInfo.SecondaryDNS;
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}
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}
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}
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}
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} |