static void Main(string[] args)
{
// First, we will print out all attributes that are on string by default
AttributeCollection attributeCollection = TypeDescriptor.GetAttributes(typeof(string));
Console.WriteLine("--------- default attributes");
OutputAttributes(attributeCollection);
// Use the AttributeTableBuilder to add a new Attribute to string
AttributeTableBuilder builder = new AttributeTableBuilder();
builder.AddCustomAttributes(typeof(string), new DesignerCategoryAttribute("Custom category"));
MetadataStore.AddAttributeTable(builder.CreateTable());
Console.WriteLine("--------- including custom attributes");
attributeCollection = TypeDescriptor.GetAttributes(typeof(string));
OutputAttributes(attributeCollection);
Console.WriteLine("--------- registering callback");
// Use the AttributeCallback to delay registering metadata until it is requested.
builder = new AttributeTableBuilder();
builder.AddCallback(typeof(string),
new AttributeCallback(acb =>
{
Console.WriteLine("*** In AttributeCallback, adding a new attribute");
acb.AddCustomAttributes(new DesignTimeVisibleAttribute(false));
}
)
);
MetadataStore.AddAttributeTable(builder.CreateTable());
Console.WriteLine("--------- including custom attributes added via callback");
attributeCollection = TypeDescriptor.GetAttributes(typeof(string));
OutputAttributes(attributeCollection);
Console.WriteLine("Press Enter to Exit");
Console.ReadLine();
}
