/// <summary>
/// 写入注册表,如果指定项已经存在,则修改指定项的值
/// </summary>
/// <param name="KeyType">注册表基项枚举</param>
/// <param name="key">注册表项,不包括基项</param>
/// <param name="name">值名称</param>
/// <param name="value">值</param>
/// <returns>返回布尔值,指定操作是否成功</returns>
public bool SetValue(RegeditHelper.KeyType KeyType, string key, string name, string value)
{
try
{
RegistryKey rk = (RegistryKey)getRegistryKey(KeyType);
RegistryKey rkt = rk.CreateSubKey(key);
if (rkt != null)
rkt.SetValue(name, value);
else
{
throw (new Exception("要写入的项不存在"));
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 读取注册表
/// </summary>
/// <param name="KeyType">注册表基项枚举</param>
/// <param name="key">注册表项,不包括基项</param>
/// <param name="name">值名称</param>
/// <returns>返回字符串</returns>
public string GetValue(RegeditHelper.KeyType KeyType, string key, string name)
{
try
{
RegistryKey rk = (RegistryKey)getRegistryKey(KeyType);
RegistryKey rkt = rk.OpenSubKey(key);
if (rkt != null)
return rkt.GetValue(name).ToString();
else
throw (new Exception("无法找到指定项"));
}
catch (Exception ex)
{
return ex.Message;
}
}
/// <summary>
/// 返回RegistryKey对象
/// </summary>
/// <param name="KeyType">注册表基项枚举</param>
/// <returns></returns>
private object getRegistryKey(RegeditHelper.KeyType KeyType)
{
RegistryKey rk = null;
switch (KeyType)
{
case KeyType.HKEY_CLASS_ROOT:
rk = Registry.ClassesRoot;
break;
case KeyType.HKEY_CURRENT_USER:
rk = Registry.CurrentUser;
break;
case KeyType.HKEY_LOCAL_MACHINE:
rk = Registry.LocalMachine;
break;
case KeyType.HKEY_USERS:
rk = Registry.Users;
break;
case KeyType.HKEY_CURRENT_CONFIG:
rk = Registry.CurrentConfig;
break;
}
return rk;
}
/// <summary>
/// 检索指定项关联的所有值
/// </summary>
/// <param name="KeyType">基项枚举</param>
/// <param name="key">指定项字符串</param>
/// <returns>返回指定项关联的所有值的字符串数组</returns>
public string[] GetValues(RegeditHelper.KeyType KeyType, string key)
{
RegistryKey rk = (RegistryKey)getRegistryKey(KeyType);
RegistryKey rkt = rk.OpenSubKey(key);
if (rkt != null)
{
string[] names = rkt.GetValueNames();
if (names.Length == 0)
return names;
else
{
string[] values = new string[names.Length];
int i = 0;
foreach (string name in names)
{
values[i] = rkt.GetValue(name).ToString();
i++;
}
return values;
}
}
else
{
throw (new Exception("指定项不存在"));
}
}
/// <summary>
/// 判断指定项是否存在
/// </summary>
/// <param name="KeyType">基项枚举</param>
/// <param name="key">指定项字符串</param>
/// <returns>返回布尔值,说明指定项是否存在</returns>
public bool IsExist(RegeditHelper.KeyType KeyType, string key)
{
RegistryKey rk = (RegistryKey)getRegistryKey(KeyType);
if (rk.OpenSubKey(key) == null)
return false;
else
return true;
}
/// <summary>
/// 删除注册表中的指定项
/// </summary>
/// <param name="KeyType">注册表基项枚举</param>
/// <param name="key">注册表中的项,不包括基项</param>
/// <returns>返回布尔值,指定操作是否成功</returns>
public bool DeleteSubKey(RegeditHelper.KeyType KeyType, string key)
{
try
{
RegistryKey rk = (RegistryKey)getRegistryKey(KeyType);
rk.DeleteSubKeyTree(key);
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 删除注册表中的值
/// </summary>
/// <param name="KeyType">注册表基项枚举</param>
/// <param name="key">注册表项名称,不包括基项</param>
/// <param name="name">值名称</param>
/// <returns>返回布尔值,指定操作是否成功</returns>
public bool DeleteValue(RegeditHelper.KeyType KeyType, string key, string name)
{
try
{
RegistryKey rk = (RegistryKey)getRegistryKey(KeyType);
RegistryKey rkt = rk.OpenSubKey(key, true);
if (rkt != null)
rkt.DeleteValue(name, true);
else
throw (new Exception("无法找到指定项"));
return true;
}
catch
{
return false;
}
}
