public static string RegisterHandler(string component, int version, string description, string iconPath)
{
if (string.IsNullOrEmpty(component))
{
throw new ArgumentNullException(nameof(component));
}
bool changed = false;
string progId = string.Join(".", "ModMyFactory", component, version);
RegistryKey handlerKey = Registry.CurrentUser.CreateSubKey(Path.Combine(@"Software\Classes", progId));
if (handlerKey != null)
{
if (!string.IsNullOrEmpty(description))
{
if ((string)handlerKey.GetValue(null) != description)
{
handlerKey.SetValue(null, description, RegistryValueKind.String);
changed = true;
}
if ((string)handlerKey.GetValue("FriendlyTypeName") != description)
{
handlerKey.SetValue("FriendlyTypeName", description, RegistryValueKind.String);
changed = true;
}
}
if (!string.IsNullOrEmpty(iconPath))
{
RegistryKey iconKey = handlerKey.CreateSubKey("DefaultIcon");
if ((iconKey != null) && ((string)iconKey.GetValue(null) != iconPath))
{
iconKey.SetValue(null, iconPath, RegistryValueKind.String);
changed = true;
}
}
string appPath = Path.GetFullPath(Assembly.GetExecutingAssembly().Location);
string command = $"\"{appPath}\" \"%1\"";
RegistryKey openKey = handlerKey.CreateSubKey(@"shell\open\command");
if ((openKey != null) && ((string)openKey.GetValue(null) != command))
{
openKey.SetValue(null, command);
changed = true;
}
}
if (changed)
{
Shell32.ChangeNotify(ChangeNotifyEventId.AssociationChanged, ChangeNotifyFlags.IdList);
}
return(progId);
}
public static void RegisterFileType(string extension, string handlerName, string mimeType, PercievedFileType percievedType)
{
if (string.IsNullOrEmpty(extension))
{
throw new ArgumentNullException(nameof(extension));
}
if (string.IsNullOrEmpty(handlerName))
{
throw new ArgumentNullException(nameof(handlerName));
}
if (!extension.StartsWith("."))
{
extension = "." + extension;
}
bool changed = false;
RegistryKey extensionKey = Registry.CurrentUser.CreateSubKey(Path.Combine(@"Software\Classes", extension));
if (extensionKey != null)
{
extensionKey.SetValue(null, handlerName);
if (!string.IsNullOrEmpty(mimeType) && ((string)extensionKey.GetValue("Content Type") != mimeType))
{
extensionKey.SetValue("Content Type", mimeType, RegistryValueKind.String);
changed = true;
}
if ((percievedType != PercievedFileType.None) && ((string)extensionKey.GetValue("PerceivedType") != percievedType.ToString("g")))
{
extensionKey.SetValue("PerceivedType", percievedType.ToString("g"), RegistryValueKind.String);
changed = true;
}
}
if (changed)
{
Shell32.ChangeNotify(ChangeNotifyEventId.AssociationChanged, ChangeNotifyFlags.IdList);
}
}