Adding Macro Scripting language support to existing ATL/WTL Application

// AtlScriptHost.idl : IDL source for AtlScriptHost.exe
//

// This file will be processed by the MIDL tool to
// produce the type library (AtlScriptHost.tlb) and marshalling code.

import "oaidl.idl";
import "ocidl.idl";
[
	uuid(9F8AB6AA-A15D-4276-AF2A-B2E887CBCFBC),
	version(1.0),
	helpstring("ATLScriptHost 1.0 Type Library")
]
library ATLSCRIPTHOSTLib
{
	importlib("stdole32.tlb");
	importlib("stdole2.tlb");
	
	[
		object,
		uuid(D2636BB3-30F0-4885-80AD-C24B5519F6EF),
		dual,
		helpstring("IScriptHost Interface"),
		pointer_default(unique)
	]
	interface IScriptHost : IDispatch
	{
		[id(1), helpstring("Create Script Engine")] HRESULT CreateEngine(BSTR pstrProgID);
		[id(2), helpstring("Create COM object")] HRESULT CreateObject([in]BSTR strProgID, [out,retval]LPDISPATCH* ppObject);
		[id(3), helpstring("Add a Script Item")] HRESULT AddScriptItem([in]BSTR pstrNamedItem, [in]LPUNKNOWN lpUnknown);
		[id(4), helpstring("Add Script code")] HRESULT AddScriptCode([in]BSTR pstrScriptCode);
		[id(5), helpstring("Add Scriptlet (with Event)")] HRESULT AddScriptlet([in]BSTR pstrDefaultName, [in]BSTR pstrCode, [in]BSTR pstrItemName, [in]BSTR pstrEventName);
		[id(6), helpstring("Display MessageBox with provide text")] HRESULT Display(BSTR strText);
	};

	[
		uuid(AF4E1558-5C73-4CD8-AA7E-2128B7C286B2),
		helpstring("ScriptHost Class")
	]
	coclass ScriptHost
	{
		[default] interface IScriptHost;
	};
};