/// <summary>Initializes a new instance of the <see cref="ProgId"/> class.</summary>
/// <param name="progId">The programmatic identifier string.</param>
/// <param name="readOnly">if set to <c>true</c> disallow changes.</param>
/// <param name="autoLoadVersioned">
/// if set to <c>true</c> automatically load a referenced versioned ProgId instead of the specified ProgId.
/// </param>
/// <param name="systemWide">if set to <c>true</c> get the system wide value.</param>
/// <exception cref="ArgumentException">Unable to load specified ProgId - progId</exception>
public ProgId(string progId, bool readOnly = true, bool autoLoadVersioned = true, bool systemWide = false) :
base(ShellRegistrar.GetRoot(systemWide, !readOnly, progId ?? throw new ArgumentNullException(nameof(progId))), readOnly)
{
if (autoLoadVersioned)
{
var cv = key.GetSubKeyDefaultValue("CurVer")?.ToString();
if (cv != null)
{
key = ShellRegistrar.GetRoot(systemWide, !readOnly).OpenSubKey(cv, !readOnly);
}
}
if (key == null)
{
throw new ArgumentException("Unable to load specified ProgId", nameof(progId));
}
ID = progId;
Verbs = new CommandVerbDictionary(this, readOnly);
}
internal ProgId(string progId, RegistryKey pkey, bool readOnly) : base(pkey, readOnly)
{
ID = progId;
FileTypeAssociations = new FileTypeCollection(progId, readOnly, IsSystemWide);
Verbs = new CommandVerbDictionary(this, readOnly);
}
internal ProgId(string progId, RegistryKey pkey, bool readOnly) : base(pkey, readOnly)
{
ID = progId;
Verbs = new CommandVerbDictionary(this, readOnly);
}
