/// <summary>
/// Write a RecencyOrderedList value to registry
/// </summary>
public static void Write(this RegistryKey registryKey, string subKeyPath, RecencyOrderedList <string> values)
{
// Check the arguments for null
ThrowIf.IsNullArgument(registryKey, nameof(registryKey));
if (values != null)
{
// create the key whose values represent elements of the list
RegistryKey subKey = registryKey.OpenSubKey(subKeyPath, true);
if (subKey == null)
{
subKey = registryKey.CreateSubKey(subKeyPath);
}
// write the values
int index = 0;
foreach (string value in values)
{
subKey.SetValue(index.ToString(), value);
++index;
}
// remove any additional values when the new list is shorter than the old one
int maximumValueName = subKey.ValueCount;
for (; index < maximumValueName; ++index)
{
subKey.DeleteValue(index.ToString());
}
}
}
/// <summary>
/// Get a RecencyOrderedList from the registry
/// </summary>
public static RecencyOrderedList <string> GetRecencyOrderedList(this RegistryKey registryKey, string subKeyPath)
{
// Check the arguments for null
ThrowIf.IsNullArgument(registryKey, nameof(registryKey));
RegistryKey subKey = registryKey.OpenSubKey(subKeyPath);
RecencyOrderedList <string> values = new RecencyOrderedList <string>(Constant.Defaults.NumberOfMostRecentDatabasesToTrack);
if (subKey != null)
{
for (int index = subKey.ValueCount - 1; index >= 0; --index)
{
string listItem = (string)subKey.GetValue(index.ToString());
if (listItem != null)
{
values.SetMostRecent(listItem);
}
}
}
return(values);
}
