VC6怎么控制语言栏(language bar)的显示

VC6如何控制语言栏(language bar)的显示?查了MSDN中有ITfLangBarMgr::ShowFloating但SDK中没有该定义的头

VC6如何控制语言栏(language bar)的显示?
查了MSDN中有   ITfLangBarMgr::ShowFloating
但SDK中没有该定义的头文件和库
Requirements
Windows   NT/2000/XP:   Included   in   Windows   XP.
Redistributable:   Requires   TSF   1.0   on   Windows   NT   4.0;   Windows   2000;   and   Windows   98/Me.
Header:   Declared   in   Ctfutb.idl   and   Ctfutb.h.
Library:   Included   as   a   resource   in   Msctf.dll.

哪里有Ctfutb.idl   和   Ctfutb.h   ?


[解决办法]
vs2003.net


C:\Program Files\Microsoft Visual Studio .NET 2003\Vc7\PlatformSDK\Include

呵呵,有没有搜索?