using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Drawing;
using?System.Data;
using?System.Text;
using?System.Windows.Forms;

namespace?Control
{
????public?partial?class?IPControlV4?:?UserControl
????{
????????public?IPControlV4（）
????????{
????????????InitializeComponent（）;
????????}

????????#region?[屬性]
????????///?

????????///?IP類別：1為IP地址；2為子網掩碼；3為網關
????????///?

????????private?int?_iIPType?=?1;
????????[Description（“IP地址類別：1為IP地址；2為子網掩碼；3為網關；DNS設為1“）?Category（“IP地址類別“）]?
????????public?int?iIPType
????????{
????????????set
????????????{
????????????????_iIPType?=?value;
????????????}
????????????get
????????????{
????????????????return?_iIPType;
????????????}
????????}
????????#endregion

????????#region?[方法]

????????#region?[TextChange方法]
????????///?

????????///?驗證IP輸入
????????///?

????????///?錄入的IP地址信息
????????///?用于判斷的起始地址
????????///?用于判斷的結束地址
????????///?
????????private?string?ValidateIPTextChange（string?strIPInputint?iIpStartint?iIpEnd）
????????{
????????????string?strReturn?=?“0“;
????????????int?iIPS?=?0;
????????????try
????????????{
????????????????iIPS?=?Convert.ToInt32（strIPInput）;
????????????????if?（iIPS??iIpEnd）
????????????????{
????????????????????MessageBox.Show（iIPS?+?“不是一個有效項目。請指定一個介于“?+?iIpStart?+?“到“?+?iIpEnd?+?“之間的數值！“?“錯誤“?MessageBoxButtons.OK?MessageBoxIcon.Error）;
????????????????????if?（iIPS?????????????????????{
????????????????????????strReturn?=?iIpStart.ToString（）;
????????????????????}
????????????????????if?（iIPS?>?iIpEnd）
????????????????????{
????????????????????????strReturn?=?iIpEnd.ToString（）;
????????????????????}
????????????????}
????????????}
????????????catch
????????????{
????????????????MessageBox.Show（“請輸入正整數！“?“錯誤“?MessageBoxButtons.OK?MessageBoxIcon.Error）;
????????????????strReturn?=?iIpStart.ToString（）;
????????????}
????????????return?strReturn;
????????}
????????#endregion

????????#endregion

????????#region?[事件]

????????#region?[鍵盤TextChange事件]
????????private?void?ttxIp1_TextChanged（object?sender?EventArgs?e）
????????{
????????????string?strGet?=?“0“;
????????????switch?（iIPType）
????????????{
????????????????case?1:
????????????????????//IP地址
????????????????????strGet?=?ValidateIPTextChange（ttxIp1.Text.Trim（）?1?223）;
????????????????????break;
????????????????case?2:
????????????????????//子網掩碼
????????????????????strGet?=?ValidateIPTextChange（ttxIp1.Text.Trim（）?0?255）;
????????????????????break;
????????????????case?3:
????????????????????//網關
????????????????????strGet?=?ValidateIPTextChange（ttxIp1.Text.Trim（）?1?223）;
????????????????????break;
????????????????default:
????????????????????strGet?=?ValidateIPTextChange（ttxIp1.Text.Trim（）?1?223）;
?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-05-06?09:03??Control\
?????目錄???????????0??2011-05-06?09:03??Control\Control\
?????文件?????????910??2011-05-06?09:03??Control\Control.sln
?????文件???????11264??2011-05-06?16:47??Control\Control.suo
?????目錄???????????0??2011-05-06?09:03??Control\Control\bin\
?????目錄???????????0??2011-05-06?09:03??Control\Control\bin\Debug\
?????文件???????24576??2011-05-06?16:49??Control\Control\bin\Debug\Control.dll
?????文件???????19968??2011-05-06?16:49??Control\Control\bin\Debug\Control.pdb
?????文件????????2415??2011-05-06?09:17??Control\Control\Control.csproj
?????文件???????11850??2011-05-06?16:49??Control\Control\IPControlV4.cs
?????文件????????6540??2011-05-06?16:49??Control\Control\IPControlV4.Designer.cs
?????文件????????5814??2011-05-06?16:49??Control\Control\IPControlV4.resx
?????目錄???????????0??2011-05-06?09:03??Control\Control\obj\
?????文件?????????224??2011-05-06?16:49??Control\Control\obj\Control.csproj.FileList.txt
?????目錄???????????0??2011-05-06?09:03??Control\Control\obj\Debug\
?????文件?????????775??2011-05-06?16:49??Control\Control\obj\Debug\Control.csproj.GenerateResource.Cache
?????文件???????24576??2011-05-06?16:49??Control\Control\obj\Debug\Control.dll
?????文件?????????180??2011-05-06?16:49??Control\Control\obj\Debug\Control.IPControlV4.resources
?????文件???????19968??2011-05-06?16:49??Control\Control\obj\Debug\Control.pdb
?????目錄???????????0??2011-05-06?09:03??Control\Control\obj\Debug\TempPE\
?????目錄???????????0??2011-05-06?09:03??Control\Control\Properties\
?????文件????????1333??2011-05-06?09:03??Control\Control\Properties\AssemblyInfo.cs