前段时间在测试我们触摸屏联网性能的时候,由于屏的Mac地址通过注册表设置,而PB定制WinCE内核的时候就有一个默认值,所以一批下来Mac地址都一样,两台以上的机器一联网准出问题,通过注册表软件去修改Mac地址太麻烦了,所以做了一个小的Mac地址软件。
以前用VB做了一个注册表操作类(参见我的blog:http://blog.csdn.net/yefanqiu/archive/2004/07/13/40379.aspx),功能比较详尽;现在用C#做了一个注册表操作类也别简单的只做数据读写了,索性也做个全功能的了。由于.Net在域名空间Microsoft.Win32中提供RegistryKey类,操作注册表还是比较方便的,唯感不足的时在操作多级子键的时候不很便捷,所以在封装注册表操作类的时候也把这部分内容给考虑进去了。
注册表操作类代码(可以用在.Net精简框架集下)如下:
- ///<summary>
- ///注册表操作类 -- 叶帆工作室
- ///</summary>
- public class YFReg
- {
- public enum HKEY { HKEY_LOCAL_MACHINE = 0, HKEY_CLASSES_ROOT = 1, HKEY_CURRENT_USER = 2, HKEY_USERS = 3 };
- private RegistryKey[] reg = new RegistryKey[4];
- public YFReg()
- {
- reg[(int)HKEY.HKEY_LOCAL_MACHINE] = Registry.LocalMachine;
- reg[(int)HKEY.HKEY_CLASSES_ROOT] = Registry.ClassesRoot;
- reg[(int)HKEY.HKEY_CURRENT_USER] = Registry.CurrentUser;
- reg[(int)HKEY.HKEY_USERS] = Registry.Users;
- }
- //读指定变量值
- public string ReadValue(HKEY Root,string SubKey,string ValueName)
- {
- RegistryKey subKey=reg[(int)Root];
- if (ValueName.Length == 0) return "[ERROR]";
- try
- {
- if (SubKey.Length > 0)
- {
- string[] strSubKey = SubKey.Split('\\');
- foreach (string strKeyName in strSubKey)
- {
- subKey = subKey.OpenSubKey(strKeyName);
- }
- }
- string strKey = subKey.GetValue(ValueName).ToString();
- subKey.Close();
- return strKey;
- }
- catch
- {
- return "[ERROR]";
- }
- }
- //读指定变量的类型
- public RegistryValueKind ReadValueType(HKEY Root, string SubKey, string ValueName)
- {
- RegistryKey subKey = reg[(int)Root];
- if (ValueName.Length == 0) return RegistryValueKind.Unknown;
- try
- {
- if (SubKey.Length > 0)
- {
- string[] strSubKey = SubKey.Split('\\');
- foreach (string strKeyName in strSubKey)
- {
- subKey = subKey.OpenSubKey(strKeyName);
- }
- }
- RegistryValueKind valueType = subKey.GetValueKind(ValueName);
- subKey.Close();
- return valueType;
- }
- catch
- {
- return RegistryValueKind.Unknown;
- }
- }
- //写指定变量值
- public int WriteValue(HKEY Root, string SubKey, string ValueName, string ValueData)
- {
- return WriteValue(Root, SubKey, ValueName, ValueData, RegistryValueKind.String);
- }
- //写指定变量值
- public int WriteValue(HKEY Root, string SubKey, string ValueName,object ValueData,RegistryValueKind ValueType)
- {
- RegistryKey subKey = reg[(int)Root];
- if (ValueName.Length == 0) return 2;
- try
- {
- if (SubKey.Length > 0)
- {
- string[] strSubKey = SubKey.Split('\\');
- foreach (string strKeyName in strSubKey)
- {
- subKey = subKey.CreateSubKey(strKeyName);
- }
- }
- subKey.SetValue(ValueName, ValueData, ValueType);
- subKey.Close();
- return 0;
- }
- catch
- {
- return 1;
- }
- }
- //删除指定变量
- public int DeleteValue(HKEY Root, string SubKey, string ValueName)
- {
- RegistryKey subKey = reg[(int)Root];
- try
- {
- if (SubKey.Length > 0)
- {
- string[] strSubKey = SubKey.Split('\\');
- foreach (string strKeyName in strSubKey)
- {
- subKey = subKey.OpenSubKey(strKeyName,true);
- }
- }
- subKey.DeleteValue(ValueName, true);
- subKey.Close();
- return 0;
- }
- catch
- {
- return 1;
- }
- }
- //创建指定的键
- public int CreateKey(HKEY Root, string SubKey, string KeyName)
- {
- RegistryKey subKey = reg[(int)Root];
- if (KeyName.Length == 0) return 2;
- try
- {
- if (SubKey.Length > 0)
- {
- string[] strSubKey = SubKey.Split('\\');
- foreach (string strKeyName in strSubKey)
- {
- subKey = subKey.CreateSubKey(strKeyName);
- }
- }
- subKey.CreateSubKey(KeyName);
- subKey.Close();
- return 0;
- }
- catch
- {
- return 1;
- }
- }
- //删除指定的键
- public int DeleteKey(HKEY Root, string SubKey, string KeyName)
- {
- RegistryKey subKey = reg[(int)Root];
- try
- {
- if (SubKey.Length > 0)
- {
- string[] strSubKey = SubKey.Split('\\');
- foreach (string strKeyName in strSubKey)
- {
- subKey = subKey.OpenSubKey(strKeyName, true);
- }
- }
- subKey.DeleteSubKeyTree(KeyName);
- subKey.Close();
- return 0;
- }
- catch
- {
- return 1;
- }
- }
- //判断指定的键是否存在
- public int IsExistKey(HKEY Root, string SubKey, string KeyName)
- {
- RegistryKey subKey = reg[(int)Root];
- try
- {
- if (SubKey.Length > 0)
- {
- string[] strSubKey = SubKey.Split('\\');
- foreach (string strKeyName in strSubKey)
- {
- subKey = subKey.OpenSubKey(strKeyName);
- }
- }
- string[] strSubKey1 = subKey.GetSubKeyNames();
- foreach (string strKeyName in strSubKey1)
- {
- if (strKeyName == KeyName) return 0;
- }
- return 1;
- }
- catch
- {
- return 2;
- }
- }
- //枚举指定的键的子键
- public string[] EnumKeyName(HKEY Root, string SubKey)
- {
- RegistryKey subKey = reg[(int)Root];
- if (SubKey.Length == 0) return null;
- try
- {
- string[] strSubKey = SubKey.Split('\\');
- foreach (string strKeyName in strSubKey)
- {
- subKey = subKey.OpenSubKey(strKeyName);
- }
- string[] strKey = subKey.GetSubKeyNames();
- subKey.Close();
- return strKey;
- }
- catch
- {
- return null;
- }
- }
- //枚举指定的键的值
- public string[] EnumValueName(HKEY Root, string SubKey)
- {
- RegistryKey subKey = reg[(int)Root];
- if (SubKey.Length == 0) return null;
- try
- {
- string[] strSubKey = SubKey.Split('\\');
- foreach (string strKeyName in strSubKey)
- {
- subKey = subKey.OpenSubKey(strKeyName);
- }
- string[] strValue = subKey.GetValueNames();
- subKey.Close();
- return strValue;
- }
- catch
- {
- return null;
- }
- }
- }
- 类出来了,用它读写Mac地址就是小菜一碟了,下面是读写Mac地址的示例代码:
- private void btnRead_Click(object sender, EventArgs e)
- {
- txtMAC1.Text = reg.ReadValue(YFReg.HKEY.HKEY_LOCAL_MACHINE, @"Comm\DM9CE1\Parms", "SoftwareMacAddress0");
- txtMAC2.Text = reg.ReadValue(YFReg.HKEY.HKEY_LOCAL_MACHINE, @"Comm\DM9CE1\Parms", "SoftwareMacAddress1");
- txtMAC3.Text = reg.ReadValue(YFReg.HKEY.HKEY_LOCAL_MACHINE, @"Comm\DM9CE1\Parms", "SoftwareMacAddress2");
- txtMAC4.Text = reg.ReadValue(YFReg.HKEY.HKEY_LOCAL_MACHINE, @"Comm\DM9CE1\Parms", "SoftwareMacAddress3");
- txtMAC5.Text = reg.ReadValue(YFReg.HKEY.HKEY_LOCAL_MACHINE, @"Comm\DM9CE1\Parms", "SoftwareMacAddress4");
- txtMAC6.Text = reg.ReadValue(YFReg.HKEY.HKEY_LOCAL_MACHINE, @"Comm\DM9CE1\Parms", "SoftwareMacAddress5");
- }
- private void btnWrite_Click(object sender, EventArgs e)
- {
- int intRet = 0;
- intRet += reg.WriteValue(YFReg.HKEY.HKEY_LOCAL_MACHINE, @"Comm\DM9CE1\Parms", "SoftwareMacAddress0", txtMAC1.Text);
- intRet += reg.WriteValue(YFReg.HKEY.HKEY_LOCAL_MACHINE, @"Comm\DM9CE1\Parms", "SoftwareMacAddress1", txtMAC2.Text);
- intRet += reg.WriteValue(YFReg.HKEY.HKEY_LOCAL_MACHINE, @"Comm\DM9CE1\Parms", "SoftwareMacAddress2", txtMAC3.Text);
- intRet += reg.WriteValue(YFReg.HKEY.HKEY_LOCAL_MACHINE, @"Comm\DM9CE1\Parms", "SoftwareMacAddress3", txtMAC4.Text);
- intRet += reg.WriteValue(YFReg.HKEY.HKEY_LOCAL_MACHINE, @"Comm\DM9CE1\Parms", "SoftwareMacAddress4", txtMAC5.Text);
- intRet += reg.WriteValue(YFReg.HKEY.HKEY_LOCAL_MACHINE, @"Comm\DM9CE1\Parms", "SoftwareMacAddress5", txtMAC6.Text);
- if (intRet > 0)
- {
- MessageBox.Show("更改失败");
- }
- }