C#

bool CMyClass::MyFun()
{
 unsigned  threadID;
 DWORD     waitResult;
 MSG       msg;
   

 writeSuccess = false;
 hThread = (HANDLE)_beginthreadex(NULL, 0,writeThread, NULL,0,&threadID);

 if (!hThread)
  return false;

 waitResult = MsgWaitForMultipleObjects(1, &hThread, FALSE, INFINITE, QS_ALLINPUT);
 while (waitResult != WAIT_OBJECT_0)
 {
  if (waitResult == WAIT_OBJECT_0 + 1)
   while (PeekMessage(&msg, NULL,0,0,PM_REMOVE))
   {
    TranslateMessage(&msg);
    DispatchMessage(&msg);
   }
  if (waitResult == WAIT_FAILED)
  {
   //An error occured, we need to handle it here
   break;
  }
   
  waitResult = MsgWaitForMultipleObjects(1, &hThread, FALSE, INFINITE, QS_ALLINPUT);
 }
 CloseHandle(hThread);

 hThread = NULL;

 return writeSuccess;
}

+-----------+
|           |
| panelLeft +----------------------+
|           |     panelBottom      |
+-----------+----------------------+

+-----------+
|           |
| panelLeft |
|           |
+-----------+----------------------+
|            panelBottom           |
+----------------------------------+