以编程方式获取所有Episerver块/类型/用法

using EPiServer.Core;
using EPiServer.Framework.Content;
using System.Linq;

public List<ContentType> GetAllBlockTypes()
{
    var repository = ServiceLocator.Current.GetInstance<IContentModelRepository>();
    return repository.List().OfType<ContentType>().Where(x => x.IsBlockType).ToList();
}

using EPiServer.Core;
using EPiServer.Web;

public Dictionary<ContentType, List<ContentReference>> GetAllBlockUsages()
{
    var blockUsages = new Dictionary<ContentType, List<ContentReference>>();

    var pages = ContentReference.StartPage.GetDescendents().OfType<PageData>();
    foreach (var page in pages)
    {
        foreach (var property in page.Property)
        {
            if (property.Value is BlockData block)
            {
                if (!blockUsages.ContainsKey(block.ContentType))
                {
                    blockUsages[block.ContentType] = new List<ContentReference>();
                }
                blockUsages[block.ContentType].Add(page.ContentLink);
            }
        }
    }

    return blockUsages;
}