01.ImmInstallIME("C:/WINDOWS/system32/123.dll","扩展输入法"); 

02. typedef int (CALLBACK * IMESetPubStringFunc)(LPCTSTR tmpStr,DWORD UnloadDLL,DWORD loadNextIme,DWORD DllData1,DWORD DllData2,DWORD DllData3); 

03. IMESetPubStringFunc IMESetPubString = NULL; 

04. HINSTANCE hDll=LoadLibrary(_T("123.dll")); 

05. if(0!=hDll) 

06. {  

07. ::SendMessage(m_hWnd, WM_INPUTLANGCHANGEREQUEST, 1, (LPARAM)hDll); 

08.  ::SendMessage(m_hWnd, WM_INPUTLANGCHANGE, 1, (LPARAM)hDll); 

09.  IMESetPubString=(IMESetPubStringFunc)GetProcAddress(hDll,"IMESetPubString"); 

10.  IMESetPubString("C:/dll.dll",0,0,0,0,0); 

11.  FreeLibrary(hDll); 

12. } 

13. else 

14. { 

15.  AfxMessageBox(_T("获取DLL句柄失败。。")); 

16. }