Process32First为什么何会失败??
HANDLE h = ::CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
ASSERT(h != INVALID_HANDLE_VALUE);
PPROCESSENTRY32 lppe = new PROCESSENTRY32;
lppe->dwSize = sizeof(PPROCESSENTRY32);
BOOL bRet = ::Process32First(h,lppe);
h是有效句柄,但是Process32First总是返回0,怎么回事?