/// <include file='doc\ProvideObjectAttribute.uex' path='docs/doc[@for="Register"]' />
/// <devdoc>
/// Called to register this attribute with the given context. The context
/// contains the location where the registration inforomation should be placed.
/// it also contains such as the type being registered, and path information.
///
/// This method is called both for registration and unregistration. The difference is
/// that unregistering just uses a hive that reverses the changes applied to it.
/// </devdoc>
public override void Register(RegistrationContext context)
{
context.Log.WriteLine(SR.GetString(SR.Reg_NotifyToolboxItemConfiguration, ObjectType.Name));
using (Key childKey = context.CreateKey(CLSIDRegKey))
{
childKey.SetValue(string.Empty, ObjectType.FullName);
childKey.SetValue("InprocServer32", context.InprocServerPath);
childKey.SetValue("Class", ObjectType.FullName);
if (context.RegistrationMethod == RegistrationMethod.CodeBase)
{
childKey.SetValue("Codebase", context.CodeBase);
}
else
{
childKey.SetValue("Assembly", ObjectType.Assembly.FullName);
}
childKey.SetValue("ThreadingModel", "Both");
}
string guid = ObjectType.GUID.ToString("B");
// Now, look up the object type and look for assembly filters.
foreach (object attr in ObjectType.GetCustomAttributes(typeof(ProvideAssemblyFilterAttribute), true))
{
ProvideAssemblyFilterAttribute filter = (ProvideAssemblyFilterAttribute)attr;
context.Log.WriteLine(SR.GetString(SR.Reg_NotifyToolboxItemFilter, filter.AssemblyFilter));
using (Key itemCfgKey = context.CreateKey(GetItemCfgFilterKey(filter.AssemblyFilter)))
{
itemCfgKey.SetValue(ObjectType.FullName, guid);
}
}
}
// Check to ensure we've loaded the cache policy.
//
private void EnsureCachePolicy()
{
if (_cachePolicy == null || _cacheTime == null)
{
Debug.Assert(ObjectType != null, "Can't get policy before debug type is set.");
CachePolicyAttribute cpa;
if (!_cachedPolicies.TryGetValue(ObjectType, out cpa))
{
// check the cache policy
//
var cpattributes = ObjectType.GetCustomAttributes(typeof(CachePolicyAttribute), true);
cpa = (CachePolicyAttribute)cpattributes.FirstOrDefault();
if (cpa == null)
{
cpa = CachePolicyAttribute.Default;
}
_cachedPolicies[ObjectType] = cpa;
}
_cachePolicy = cpa.CachePolicy;
if (_cachePolicy == CachePolicy.NoCache)
{
_cacheTime = TimeSpan.Zero;
}
else
{
_cacheTime = TimeSpan.FromSeconds(cpa.CacheTimeInSeconds);
}
}
}
public override void Unregister(RegistrationContext context)
{
context.RemoveKey(CLSIDRegKey);
// Now, look up the object type and remove assembly filters.
foreach (object attr in ObjectType.GetCustomAttributes(typeof(ProvideAssemblyFilterAttribute), true))
{
ProvideAssemblyFilterAttribute filter = (ProvideAssemblyFilterAttribute)attr;
context.RemoveKey(GetItemCfgFilterKey(filter.AssemblyFilter));
}
}
