internal static void CustomUnregisterFunction(Type serverType, RegistrationType registrationType)
{
// Get the junction point.
var junctionPoint = NamespaceExtensionJunctionPointAttribute.GetJunctionPoint(serverType);
// If the junction point is not defined, we must fail.
if (junctionPoint == null)
{
throw new InvalidOperationException("Unable to register a SharpNamespaceExtension as it is missing it's junction point definition.");
}
// Work out the hive and view to use, based on the junction point availability
// and the registration mode.
var hive = junctionPoint.Availablity == NamespaceExtensionAvailability.CurrentUser
? RegistryHive.CurrentUser
: RegistryHive.LocalMachine;
var view = registrationType == RegistrationType.OS64Bit ? RegistryView.Registry64 : RegistryView.Registry32;
// Now open the base key.
using (var baseKey = RegistryKey.OpenBaseKey(hive, view))
{
// Create the path to the virtual folder namespace key.
var virtualFolderNamespacePath =
string.Format(@"Software\Microsoft\Windows\CurrentVersion\Explorer\{0}\NameSpace",
RegistryKeyAttribute.GetRegistryKey(junctionPoint.Location));
// Open the virtual folder namespace key,
using (var namespaceKey = baseKey.OpenSubKey(virtualFolderNamespacePath,
RegistryKeyPermissionCheck.ReadWriteSubTree, RegistryRights.WriteKey))
{
// If we don't have the key, we've got a problem.
if (namespaceKey == null)
{
throw new InvalidOperationException("Cannot open the Virtual Folder NameSpace key.");
}
// Delete the shell extension key, which is just it's CLSID.
namespaceKey.DeleteSubKeyTree(serverType.GUID.ToRegistryString());
}
}
}
internal static void CustomRegisterFunction(Type serverType, RegistrationType registrationType)
{
// Get the junction point.
var junctionPoint = NamespaceExtensionJunctionPointAttribute.GetJunctionPoint(serverType);
// If the junction point is not defined, we must fail.
if (junctionPoint == null)
{
throw new InvalidOperationException("Unable to register a SharpNamespaceExtension as it is missing it's junction point definition.");
}
// Now we have the junction point, we can build the key as below:
/* HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
* Software
* Microsoft
* Windows
* CurrentVersion
* Explorer
* Virtual Folder Name
* NameSpace
* {Extension CLSID}
* (Default) = Junction Point Name
*/
// Work out the hive and view to use, based on the junction point availability
// and the registration mode.
var hive = junctionPoint.Availablity == NamespaceExtensionAvailability.CurrentUser
? RegistryHive.CurrentUser
: RegistryHive.LocalMachine;
var view = registrationType == RegistrationType.OS64Bit ? RegistryView.Registry64 : RegistryView.Registry32;
// Now open the base key.
using (var baseKey = RegistryKey.OpenBaseKey(hive, view))
{
// Create the path to the virtual folder namespace key.
var virtualFolderNamespacePath =
string.Format(@"Software\Microsoft\Windows\CurrentVersion\Explorer\{0}\NameSpace",
RegistryKeyAttribute.GetRegistryKey(junctionPoint.Location));
// Open the virtual folder namespace key,
using (var namespaceKey = baseKey.OpenSubKey(virtualFolderNamespacePath,
RegistryKeyPermissionCheck.ReadWriteSubTree, RegistryRights.WriteKey))
{
// If we don't have the key, we've got a problem.
if (namespaceKey == null)
{
throw new InvalidOperationException("Cannot open the Virtual Folder NameSpace key.");
}
// Write the server guid as a key, then the Junction Point Name as it's default value.
var serverKey = namespaceKey.CreateSubKey(serverType.GUID.ToRegistryString());
if (serverKey == null)
{
throw new InvalidOperationException("Failed to create the Virtual Folder NameSpace extension.");
}
serverKey.SetValue(null, junctionPoint.Name, RegistryValueKind.String);
}
}
// We can now customise the class registration as needed.
// The class is already registered by the Installation of the server, we're only
// adapting it here.
// Open the classes root.
using (var classesBaseKey = registrationType == RegistrationType.OS64Bit
? RegistryKey.OpenBaseKey(RegistryHive.ClassesRoot, RegistryView.Registry64) :
RegistryKey.OpenBaseKey(RegistryHive.ClassesRoot, RegistryView.Registry32))
{
// Our server guid.
var serverGuid = serverType.GUID.ToRegistryString();
// Open the Class Key.
using (var classKey = classesBaseKey
.OpenSubKey(string.Format(@"CLSID\{0}", serverGuid),
RegistryKeyPermissionCheck.ReadWriteSubTree, RegistryRights.WriteKey))
{
// If we don't have the key, we've got a problem.
if (classKey == null)
{
throw new InvalidOperationException("Cannot open the class key.");
}
// Create an instance of the server to get it's registration settings.
var serverInstance = (SharpNamespaceExtension)Activator.CreateInstance(serverType);
var registrationSettings = serverInstance.GetRegistrationSettings();
// Apply basic settings.
if (registrationSettings.HideFolderVerbs)
{
classKey.SetValue("HideFolderVerbs", 1, RegistryValueKind.DWord);
}
// The default value is the junction point name.
classKey.SetValue(null, junctionPoint.Name, RegistryValueKind.String);
// Set the infotip.
if (string.IsNullOrEmpty(registrationSettings.Tooltip) != true)
{
classKey.SetValue(@"InfoTip", registrationSettings.Tooltip, RegistryValueKind.String);
}
// Set the default icon to the assembly icon if we are using it.
if (registrationSettings.UseAssemblyIcon)
{
using (var defaultIconKey = classKey.CreateSubKey(@"DefaultIcon"))
{
if (defaultIconKey == null)
{
throw new InvalidOperationException("An exception occured creating the DefaultIcon key.");
}
defaultIconKey.SetValue(null, serverType.Assembly.Location, RegistryValueKind.String);
}
}
// Set the attributes.
using (var shellFolderKey = classKey.CreateSubKey("ShellFolder"))
{
if (shellFolderKey == null)
{
throw new InvalidOperationException("An exception occured creating the ShellFolder key.");
}
shellFolderKey.SetValue("Attributes", (int)registrationSettings.ExtensionAttributes, RegistryValueKind.DWord);
}
}
}
}
