这是一个从OutputDebugString中读取信息的程序段，小弟我这样写了，可是ret总不等于WAIT_OBJECT_0 ，还知道啊(在打问号的地方不匹配)

这是一个从OutputDebugString中读取信息的程序段，我这样写了，可是ret总不等于WAIT_OBJECT_0 ，各位高手还知道啊？(在打问号的地方不匹配)
m_dwResult = ERROR_INVALID_HANDLE;
m_AckEvent = CreateEvent(NULL, false, false, "DBWIN_BUFFER_READY");
if (m_AckEvent == NULL) {
  throw gcnew Exception("Failed to create event 'DBWIN_BUFFER_READY'");
}
m_ReadyEvent = CreateEvent(NULL, false, false, "DBWIN_DATA_READY");
if (m_ReadyEvent == NULL) { 
  throw gcnew Exception("Failed to create event 'DBWIN_DATA_READY'");
}
m_SharedFile = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, 4096, "DBWIN_BUFFER");
if (m_SharedFile == NULL) {
  throw gcnew Exception("Failed to create event 'DBWIN_BUFFER'");
}
//映射调试缓冲区
SharedMem = MapViewOfFile(m_SharedFile,FILE_MAP_READ,0,0,0);
pdbBuffer = (PDEBUGBUFFER)MapViewOfFile(m_SharedFile,FILE_MAP_READ,0,0,0);
if (pdbBuffer == NULL) {
  throw gcnew Exception("Failed to create event 'pdbBuffer'");
}
for (m_dwResult = ERROR_SIGNAL_PENDING; (m_dwResult == ERROR_SIGNAL_PENDING); )
{ 
  // 等待缓冲区数据
  SetEvent(m_AckEvent);
 
  int ret =WaitForSingleObject(m_ReadyEvent, 0/*INFINITE*/);
  if (ret == WAIT_OBJECT_0)///?????????????????????????????????????
  { 
  // 如果是 继续等待，否则表示主线程发出了停止信号，退出当前线程
  if (m_dwResult == ERROR_SIGNAL_PENDING)
  { 
  // 取到了值，将值已经放在了 pdbBuffer 中
String^ myString = pdbBuffer->dwProcessId.ToString();
listView1->Columns->Add(myString, 100, HorizontalAlignment::Left);
  }
  }
  else
  { 
  // 等待失败
  m_dwResult = WAIT_ABANDONED;
  }
}

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