/// <summary>
/// Gets a named value stored within this key.
/// </summary>
/// <param name="name">The name of the value to retrieve.</param>
/// <param name="defaultValue">The default value to return, if no existing value is stored.</param>
/// <param name="options">Flags controlling how the value is processed before it's returned.</param>
/// <returns>The value as a .NET object.</returns>
/// <remarks>The mapping from registry type of .NET type is as follows:
/// <list type="table">
/// <listheader>
/// <term>Value Type</term>
/// <term>.NET type</term>
/// </listheader>
/// <item>
/// <description>String</description>
/// <description>string</description>
/// </item>
/// <item>
/// <description>ExpandString</description>
/// <description>string</description>
/// </item>
/// <item>
/// <description>Link</description>
/// <description>string</description>
/// </item>
/// <item>
/// <description>DWord</description>
/// <description>uint</description>
/// </item>
/// <item>
/// <description>DWordBigEndian</description>
/// <description>uint</description>
/// </item>
/// <item>
/// <description>MultiString</description>
/// <description>string[]</description>
/// </item>
/// <item>
/// <description>QWord</description>
/// <description>ulong</description>
/// </item>
/// </list>
/// </remarks>
public object GetValue(string name, object defaultValue, Microsoft.Win32.RegistryValueOptions options)
{
RegistryValue regVal = GetRegistryValue(name);
if (regVal != null)
{
if (regVal.DataType == RegistryValueType.ExpandString && (options & Microsoft.Win32.RegistryValueOptions.DoNotExpandEnvironmentNames) == 0)
{
return(Environment.ExpandEnvironmentVariables((string)regVal.Value));
}
else
{
return(regVal.Value);
}
}
return(defaultValue);
}
/// <summary>
/// 讀取指定註冊表
/// 擷取與指定名稱及擷取選項關聯的值。如果找不到名稱，則傳回您提供的預設值。
/// </summary>
/// <param name="name">要擷取的值的名稱。這個字串不會區分大小寫</param>
/// <param name="value">name 不存在時所傳回的值</param>
/// <param name="options">其中一個列舉值，指定擷取之值的選擇性處理</param>
/// <returns>與 name 關聯的值，根據指定的 options 處理，如果找不到 name，則為 defaultValue</returns>
public Object RegistrykeyRead(String name, Object value, Microsoft.Win32.RegistryValueOptions options)
{
Object oo = null;
try
{
Microsoft.Win32.RegistryKey regkey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(Registrykey);
if (regkey == null)
{
return(oo);
}
oo = regkey.GetValue(name, value, options);
regkey.Close();
}
catch (Exception ex)
{
RegistryException = ex.Message;
return(oo);
}
return(oo);
}
public object GetValue(string name, object defaultValue, Microsoft.Win32.RegistryValueOptions options)
{
return(default(object));
}
public object?GetValue(string?name, object?defaultValue, Microsoft.Win32.RegistryValueOptions options)
{
throw null;
}
public object GetValue(string name, object defaultValue, Microsoft.Win32.RegistryValueOptions options)
{
return(_regKey.GetValue(name, defaultValue, options));
}
public object GetValue(string name, object defaultValue, Microsoft.Win32.RegistryValueOptions options) => throw null;
public object GetValue(string name, [AllowNull] object defaultValue, Microsoft.Win32.RegistryValueOptions options)
{
return(inner.GetValue(name, defaultValue, options));
}
