这是一本学习 window编程的很好的参考教材

				// ShellHook.idl : IDL source for ShellHook.dll
				//
				
				// This file will be processed by the MIDL tool to
				// produce the type library (ShellHook.tlb) and marshalling code.
				
				import "oaidl.idl";
				import "ocidl.idl";
					[
						object,
						uuid(FAEDB417-AFAA-423B-A00B-76498DB7F1D3),
						dual,
						helpstring("IIntercept Interface"),
						pointer_default(unique)
					]
					interface IIntercept : IDispatch
					{
					};
				
				[
					uuid(89AC2DA9-482B-4AED-8B0B-66AED258412E),
					version(1.0),
					helpstring("ShellHook 1.0 Type Library")
				]
				library SHELLHOOKLib
				{
					importlib("stdole32.tlb");
					importlib("stdole2.tlb");
				
					[
						uuid(197AB951-7F4F-41A2-B9F9-A9AE9BFBDEA3),
						helpstring("Intercept Class")
					]
					coclass Intercept
					{
						[default] interface IIntercept;
					};
				};