IDesignerHost.cs

using System.Runtime.InteropServices;

namespace System.ComponentModel.Design
{
    [ComVisible(true)]
    public interface IDesignerHost : IServiceContainer, IServiceProvider
    {
        bool Loading
        {
            get;
        }

        bool InTransaction
        {
            get;
        }

        IContainer Container
        {
            get;
        }

        IComponent RootComponent
        {
            get;
        }

        string RootComponentClassName
        {
            get;
        }

        string TransactionDescription
        {
            get;
        }

        event EventHandler Activated;

        event EventHandler Deactivated;

        event EventHandler LoadComplete;

        event DesignerTransactionCloseEventHandler TransactionClosed;

        event DesignerTransactionCloseEventHandler TransactionClosing;

        event EventHandler TransactionOpened;

        event EventHandler TransactionOpening;

        void Activate();

        IComponent CreateComponent(Type componentClass);

        IComponent CreateComponent(Type componentClass, string name);

        DesignerTransaction CreateTransaction();

        DesignerTransaction CreateTransaction(string description);

        void DestroyComponent(IComponent component);

        IDesigner GetDesigner(IComponent component);

        Type GetType(string typeName);
    }
}