char*轉wchar_t*

char szBuf[MAX_PATH] = "Test";
wchar_t wszBuf[2*MAX_PATH];
int iSize = 0;

iSize = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)szBuf, MAX_PATH, NULL, 0);
MultiByteToWideChar(CP_ACP, 0, (LPCSTR)szBuf, MAX_PATH, wszBuf, sizeof(wchar_t) * iSize);