windows输入法切换

#include "StdAfx.h" #include ".\inputlanguage.h" CInputLanguage::CInputLanguage() { m_pILHead = NULL; LoadInputLanguage(); } CInputLanguage::~CInputLanguage() { Clear(); } BOOL CInputLanguage::LoadInputLanguage() { HKEY hKey,hKey1; DWORD cp=16; char lp[15]; CString szID; CString szKeyName,szKeyName1; szKeyName = "Keyboard Layout\\Preload"; szKeyName1 = "System\\CurrentControlSet\\Control\\Keyboard Layouts\\"; int i=1; szID.Format("%d",i); DWORD lpT=REG_SZ; if(::RegOpenKey(HKEY_CURRENT_USER,szKeyName,&hKey)==ERROR_SUCCESS ) { while(::RegQueryValueEx(hKey,szID,NULL,&lpT,(LPBYTE)lp,&cp) == ERROR_SUCCESS ) { CString szTempName; szTempName = szKeyName1 + (LPCTSTR)(LPTSTR)lp; if(RegOpenKey(HKEY_LOCAL_MACHINE,szTempName,&hKey1)==ERROR_SUCCESS ) { char lpD[100]; DWORD lpS=100; //DataSize if(RegQueryValueEx(hKey1,"Layout text",NULL,&lpT,(LPBYTE)lpD,&lpS)==ERROR_SUCCESS) { IL* p1,*p2; p1 = m_pILHead; p2 = new(IL); strcpy(p2->ilID,lp); strcpy(p2->szName,lpD); p2->pNext = NULL; if( p1 ) { while( p1->pNext ){ p1 = p1->pNext ; } p1->pNext = p2; } else { m_pILHead = p2; } } } ::RegCloseKey(hKey1); i++; szID.Format("%d",i); } } ::RegCloseKey(hKey); return (m_pILHead != NULL ); } BOOL CInputLanguage::SelectInputLanguage(IL *pIL) { if( !pIL ) return FALSE; HKL hkl; hkl=LoadKeyboardLayout(pIL->ilID,KLF_ACTIVATE);//装载输入法 if(hkl==NULL) return FALSE; else{ ActivateKeyboardLayout(hkl,KLF_SETFORPROCESS);//激活输入法 } return TRUE; } void CInputLanguage::Clear() { IL* p1,*p2; p1 = m_pILHead; while( p1 ) { p2 = p1; p1 = p1->pNext; delete(p2); } m_pILHead = NULL; } //获得输入法信息链表头结点指针。 IL* CInputLanguage::GetInputLanguageList() { return m_pILHead; }