public static T ReadRegistryValue <T>(RegistryKey key, string name, T defaultValue)
{
try
{
string strValue = (string)key.GetValue(name, InvariantConverter.ToString(defaultValue));
return(InvariantConverter.FromString <T>(strValue));
}
catch
{
return(defaultValue);
}
}
public static IEnumerable <T> ReadRegistryList <T>(RegistryKey key, string baseName)
{
for (int index = 1; ; ++index)
{
object value = key.GetValue(baseName + index.ToString());
if (value != null)
{
yield return(InvariantConverter.FromString <T>(value.ToString()));
}
else
{
break;
}
}
}
public static void Load(object data, RegistryKey key)
{
foreach (var propertyInfo in data.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public))
{
RegistrySaveAttribute valueAttr = GetAttribute <RegistrySaveAttribute>(propertyInfo);
if (valueAttr != null)
{
if (valueAttr.IsObject)
{
RegistryKey subkey = key.OpenSubKey(valueAttr.Name);
if (subkey != null)
{
// Try to get an existing value of the property.
object value = propertyInfo.GetValue(data, null);
// In the property has no value, and the subkey exists, create a new value object.
if (value == null)
{
value = Activator.CreateInstance(propertyInfo.PropertyType);
propertyInfo.SetValue(data, value, null);
}
// Load the value members (no matter whether the value existed or has been created).
Load(value, subkey);
// Close the subkey.
subkey.Close();
}
else
{
// If there's no subkey, erase the object.
propertyInfo.SetValue(data, null, null);
}
}
else
{
// Load the simple value.
string strValue = key.GetValue(valueAttr.Name) as string;
object value = strValue != null?InvariantConverter.FromString(strValue, propertyInfo.PropertyType) : valueAttr.DefaultValue;
propertyInfo.SetValue(data, value, null);
}
}
}
}