将字符串指针ps1 和 ps2之间的内存拷贝出来
//将字符串指针ps1 和 ps2之间的内存拷贝出来
TCHAR* CopyResult(TCHAR* ps1,TCHAR* ps2)
{
int length = ps2 - ps1;
TCHAR* pResult = new TCHAR[length + 1];
memcpy(pResult ,ps1 , length * sizeof(TCHAR));
pResult[length] = _T('\0');
return pResult;
}