/// <summary>
/// Constructs a new Property object
/// </summary>
/// <param name="propertyKey"></param>
/// <param name="description"></param>
/// <param name="propertyStore"></param>
internal ShellProperty(
PropertyKey propertyKey,
ShellPropertyDescription description,
IPropertyStore propertyStore)
{
this.propertyKey = propertyKey;
this.description = description;
NativePropertyStore = propertyStore;
AllowSetTruncatedValue = false;
}
/// <summary>
/// Constructs a new Property object
/// </summary>
/// <param name="propertyKey"></param>
/// <param name="description"></param>
/// <param name="parent"></param>
internal ShellProperty(
PropertyKey propertyKey,
ShellPropertyDescription description,
ShellObject parent)
{
this.propertyKey = propertyKey;
this.description = description;
ParentShellObject = parent;
AllowSetTruncatedValue = false;
}
private static IShellProperty GenericCreateShellProperty <T>(PropertyKey propKey, T thirdArg)
{
Type thirdType = (thirdArg is ShellObject) ? typeof(ShellObject) : typeof(T);
ShellPropertyDescription propDesc = ShellPropertyDescriptionsCache.Cache.GetPropertyDescription(propKey);
// Get the generic type
Type type = typeof(ShellProperty <>).MakeGenericType(VarEnumToSystemType(propDesc.VarEnumType));
// The hash for the function is based off the generic type and which type (constructor) we're using.
int hash = GetTypeHash(type, thirdType);
Func <PropertyKey, ShellPropertyDescription, object, IShellProperty> ctor;
if (!_storeCache.TryGetValue(hash, out ctor))
{
Type[] argTypes = { typeof(PropertyKey), typeof(ShellPropertyDescription), thirdType };
ctor = ExpressConstructor(type, argTypes);
_storeCache.Add(hash, ctor);
}
return(ctor(propKey, propDesc, thirdArg));
}
internal IShellProperty CreateTypedProperty <T>(PropertyKey propKey)
{
ShellPropertyDescription desc = ShellPropertyDescriptionsCache.Cache.GetPropertyDescription(propKey);
return(new ShellProperty <T>(propKey, desc, ParentShellObject));
}