310 lines
11 KiB
C#
310 lines
11 KiB
C#
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.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using System.Globalization;
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using System.Resources;
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namespace EduNetworkBuilder
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{
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public partial class IPAddressEntry : Form
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{
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NB_IPAddress WhatToEdit;
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NB_IPAddress DHCPInterface=null;
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bool WellDone = false;
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NetworkDevice ParentDevice = null;
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Point StartLocation = new Point (50,50);
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NB_IPAddress SavedIPAddress = null;
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ToolTip myTooltip = new ToolTip();
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//variable to hold true if the for is closing
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private bool isFormClosing = false;
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// Contant for the close message
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private const int WM_CLOSE = 16;
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//override the WndProc msg to trap the WM_CLOSE message
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protected override void WndProc(ref Message m)
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{
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if (m.Msg == WM_CLOSE)
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isFormClosing = true;
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base.WndProc(ref m);
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}
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public IPAddressEntry(NB_IPAddress toEdit, NetworkDevice ToEdit, Form ParentForm, bool JustPinging=false)
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{
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InitializeComponent();
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LanguagifyComponents();
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if(ParentForm != null)
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{
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Point NewPoint = new Point(ParentForm.Location.X + (ParentForm.Width / 2), ParentForm.Location.Y + (ParentForm.Height / 2));
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StartLocation = NewPoint;
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}
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ParentDevice = ToEdit;
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Network myNet = NB.GetNetwork();
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NB_IPAddress lastIP = myNet.RetrieveLastIP();
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SavedIPAddress = new NB_IPAddress(toEdit);
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WhatToEdit = toEdit;
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string hostname = "";
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if (ToEdit != null)
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hostname = ToEdit.hostname;
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if (toEdit.IsZeroString())
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{
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string lIP = lastIP.GetIP.ToIpString();
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string lNM = lastIP.GetMask.ToIpString();
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string lGW = lastIP.GetGateway.ToIpString();
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switch (WhatToEdit.GetAddressType)
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{
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case IPAddressType.gw:
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lNM = NB.ZeroIPString;
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lGW = NB.ZeroIPString;
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break;
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case IPAddressType.ip:
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case IPAddressType.ip_only:
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if (!lNM.Contains("255"))
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lNM = "255.255.255.0";
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lGW = NB.ZeroIPString;
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break;
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case IPAddressType.route:
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break;
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}
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WhatToEdit.Reparse(lIP, lNM, lGW);
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}
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UpdateFieldsFromAddress();
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switch (WhatToEdit.GetAddressType)
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{
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case IPAddressType.gw:
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tbGateway.Enabled = false;
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tbGateway.Visible = false; //This just confuses people
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tbIPAddress.Enabled = true;
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tbNetmask.Enabled = false;
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lblGateway.Visible = false;
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break;
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case IPAddressType.ip:
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tbGateway.Enabled = false;
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tbIPAddress.Enabled = true;
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tbNetmask.Enabled = true;
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break;
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case IPAddressType.route:
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tbGateway.Enabled = true;
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tbIPAddress.Enabled = true;
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tbNetmask.Enabled = true;
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break;
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case IPAddressType.ip_only:
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tbGateway.Enabled = false;
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tbIPAddress.Enabled = true;
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tbNetmask.Enabled = false;
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break;
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}
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//Disable anythingthatis locked
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switch (WhatToEdit.GetAddressType)
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{
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case IPAddressType.gw:
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if (myNet.ItemIsLocked(hostname, tbIPAddress.Text, NetTestType.LockGateway))
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{
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tbGateway.Enabled = false;
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tbIPAddress.Enabled = false;
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tbNetmask.Enabled = false;
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}
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break;
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case IPAddressType.ip:
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if (myNet.ItemIsLocked(hostname, tbIPAddress.Text, NetTestType.LockIP))
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{
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tbGateway.Enabled = false;
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tbIPAddress.Enabled = false;
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tbNetmask.Enabled = false;
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}
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break;
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case IPAddressType.route:
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if (myNet.ItemIsLocked(hostname, tbIPAddress.Text, NetTestType.LockRoute))
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{
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tbGateway.Enabled = false;
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tbIPAddress.Enabled = false;
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tbNetmask.Enabled = false;
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}
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break;
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case IPAddressType.ip_only:
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if (!JustPinging && myNet.ItemIsLocked(hostname, tbIPAddress.Text, NetTestType.LockIP))
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{
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tbIPAddress.Enabled = false;
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}
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break;
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}
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}
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private void LanguagifyComponents()
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{
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//ResourceManager RM = NB.GetResource();
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//CultureInfo CI = NB.GetCulture();
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Text = NB.Translate("IPAE_lblIP");
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Text = NB.Translate("IPAE_lblNetmask");
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Text = NB.Translate("IPAE_lblGateway");
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Text = NB.Translate("_Cancel");
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Text = NB.Translate("_OK");
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Text = NB.Translate("IPAE_Form");
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}
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private void UpdateFieldsFromAddress()
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{
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tbIPAddress.Text = WhatToEdit.GetIP.ToIpString();
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tbNetmask.Text = WhatToEdit.GetMask.ToIpString();
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tbGateway.Text = WhatToEdit.GetGateway.ToIpString();
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}
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private void btnOK_Click(object sender, EventArgs e)
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{
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WhatToEdit.Reparse(tbIPAddress.Text, tbNetmask.Text, tbGateway.Text);
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Network myNet = NB.GetNetwork();
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myNet.StoreLastIP(WhatToEdit);
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WellDone = true;
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Close();
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}
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public bool Edit()
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{
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Location = StartLocation;
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ShowDialog();
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return WellDone;
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}
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public bool Edit(NetworkDevice ToEdit, NB_IPAddress DHCPif)
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{
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DHCPInterface = DHCPif;
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lblIP.Text = NB.Translate("IPAE_EditIf");
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lblNetmask.Text = NB.Translate("IPAE_EditStart");
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lblGateway.Text = NB.Translate("IPAE_EditEnd");
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tbIPAddress.Enabled = false;
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tbGateway.Enabled = true;
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tbNetmask.Enabled = true;
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Network myNet = NB.GetNetwork();
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if (myNet.ItemIsLocked(ToEdit.hostname, tbIPAddress.Text, NetTestType.LockDHCP))
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{
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tbGateway.Enabled = false;
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tbIPAddress.Enabled = false;
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tbNetmask.Enabled = false;
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}
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Location = StartLocation;
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ShowDialog();
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return WellDone;
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}
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private void btnCancel_Click(object sender, EventArgs e)
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{
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if(SavedIPAddress != null)
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WhatToEdit.Reparse(SavedIPAddress.GetIPString, SavedIPAddress.GetMaskString, SavedIPAddress.GetGateway.ToIpString());
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UpdateFieldsFromAddress();
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Close();
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}
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private void tbGateway_Validating(object sender, CancelEventArgs e)
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{
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if (isFormClosing) return;
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Network mynet = NB.GetNetwork();
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if (ParentDevice != null)
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{
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NB_IPAddress tAddress = mynet.DNSLookup(ParentDevice, tbGateway.Text);
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}
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UInt32 taddress = tbGateway.Text.ParseIp();
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UInt32 startaddress = tbNetmask.Text.ParseIp();
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tbGateway.Text = taddress.ToIpString();
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if (DHCPInterface != null)
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{
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//We also check to verify that the address is in the correct range
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if (!DHCPInterface.IsLocal(new NB_IPAddress(tbGateway.Text)))
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{
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e.Cancel = true;
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MessageBox.Show(NB.Translate("IPAE_tbGateValEndIPRange"));
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}
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if (taddress < startaddress)
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{
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e.Cancel = true;
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MessageBox.Show(NB.Translate("IPAE_tbGateValIPEqualLarger"));
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}
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}
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}
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private void tbNetmask_Validating(object sender, CancelEventArgs e)
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{
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if (isFormClosing) return;
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UInt32 taddress = tbNetmask.Text.ParseIp();
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tbNetmask.Text = taddress.ToIpString();
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if (DHCPInterface != null)
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{
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//We also check to verify that the address is in the correct range
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if (!DHCPInterface.IsLocal(new NB_IPAddress(tbNetmask.Text)))
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{
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e.Cancel = true;
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MessageBox.Show(NB.Translate("IPAE_tbNtmskValEndIPRange"));
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}
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}
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}
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private void tbIPAddress_Validating(object sender, CancelEventArgs e)
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{
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if (isFormClosing) return;
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UInt32 taddress;
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Network mynet = NB.GetNetwork();
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NB_IPAddress tIPAddress = null;
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if (ParentDevice != null)
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{
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tIPAddress = mynet.DNSLookup(ParentDevice, tbIPAddress.Text);
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}
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if (tIPAddress != null) //device name used, convert to IP address and netmask
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{
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taddress = tIPAddress.GetIP;
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if (DHCPInterface == null)
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tbNetmask.Text = tIPAddress.GetMaskString;
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}
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else
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taddress = tbIPAddress.Text.ParseIp();
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tbIPAddress.Text = taddress.ToIpString();
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}
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public void SetText(string text)
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{
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this.Text = text;
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}
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private void IPAddressEntry_Shown(object sender, EventArgs e)
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{
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Point tLocation = new Point (StartLocation.X - Width, StartLocation.Y - Height);
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if (tLocation.X < 0 || tLocation.Y < 0) tLocation = new Point(50, 50);
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Location = tLocation;
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}
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public void ShowAsSubnetGateway()
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{
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lblIP.Text = NB.Translate("IPE_Network");
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Text = NB.Translate("NB_Subnet");
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myTooltip.AutoPopDelay = 5000;
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myTooltip.InitialDelay = 1000;
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myTooltip.ReshowDelay = 500;
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// Force the ToolTip text to be displayed whether or not the form is active.
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myTooltip.ShowAlways = true;
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myTooltip.SetToolTip(tbIPAddress, NB.Translate("IPE_NetworkTooltip"));
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myTooltip.SetToolTip(tbGateway, NB.Translate("IPE_GatewayTooltip"));
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myTooltip.SetToolTip(tbNetmask, NB.Translate("IPE_NetmaskTooltip"));
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myTooltip.SetToolTip(lblIP, NB.Translate("IPE_NetworkTooltip"));
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myTooltip.SetToolTip(lblGateway, NB.Translate("IPE_GatewayTooltip"));
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myTooltip.SetToolTip(lblNetmask, NB.Translate("IPE_NetmaskTooltip"));
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ShowDialog();
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}
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}
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}
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