/// <summary>
/// Deletes under value from the registry.
/// </summary>
/// <param name="root">The root note that the value is under.</param>
/// <param name="name">The path to the value under the root node.</param>
private static void DeleteValue(RegistryKey root, string name)
{
Param.AssertNotNull(root, "root");
Param.AssertValidString(name, "name");
try
{
PathInfo pathinfo = RegistryUtils.GetPath(root, name);
if (pathinfo.Key != null)
{
pathinfo.Key.DeleteValue(pathinfo.Stub);
}
}
catch (ArgumentException)
{
}
catch (SecurityException)
{
}
catch (IOException)
{
}
catch (UnauthorizedAccessException)
{
}
}
/// <summary>
/// Deletes one key from the registry.
/// </summary>
/// <param name="root">The root node to delete the key under.</param>
/// <param name="name">The path to the key to delete under the root node.</param>
private static void DeleteKey(RegistryKey root, string name)
{
Param.AssertNotNull(root, "root");
Param.AssertValidString(name, "name");
try
{
int index = name.LastIndexOf("\\", StringComparison.Ordinal);
if (-1 == index)
{
root.DeleteSubKeyTree(name);
}
else
{
string delete = name.Substring(index + 1, name.Length - index - 1);
PathInfo pathinfo = RegistryUtils.GetPath(root, name);
if (pathinfo.Key != null)
{
pathinfo.Key.DeleteSubKeyTree(delete);
}
}
}
catch (ArgumentException)
{
// This happens when the key does not exist. Just ignore it.
}
catch (SecurityException)
{
}
}
/// <summary>
/// Gets one value from the registry.
/// </summary>
/// <param name="root">The root key to get the value under.</param>
/// <param name="name">The path to the value under the root key.</param>
/// <returns>Return the object or null if it could not be found or retrieved.</returns>
private static object GetValue(RegistryKey root, string name)
{
Param.AssertNotNull(root, "root");
Param.AssertValidString(name, "name");
try
{
PathInfo pathinfo = RegistryUtils.GetPath(root, name);
if (pathinfo.Key == null)
{
return(null);
}
else
{
return(pathinfo.Key.GetValue(pathinfo.Stub));
}
}
catch (SecurityException)
{
}
catch (IOException)
{
}
catch (ArgumentException)
{
}
return(null);
}