向线程投递消息PostThreadMessage

 1 #define WM_MYMSG1 WM_USER+1  2 #define WM_MYMSG2 WM_USER+2  3  4 HANDLE hThread; 5 //DWORD  threadID1; 6 UINT threadID2; 7  8 //hThread=::CreateThread(NULL,0,lpFun,this,NULL,&threadID1); 9  hThread=(HANDLE)_beginthreadex( NULL, 0, &lpFun, NULL, NULL, &threadID2);//创建并启动线程10 11 12  char * str="post message";13  PostThreadMessage(threadID1,WM_MYMSG1,(WPARAM)str,0);//向线程投递消息14 15  16 17  UINT __stdcall lpFun(LPVOID lParam)18 {19  MSG msg;20  PeekMessage(&msg, NULL, NULL, NULL,NULL);21  while(TRUE)22  {23  if(GetMessage(&msg,0,0,0)) //get msg from message queue24  {25   char *str=(char*)msg.wParam;26   CString strTemp=str;27   switch(msg.message)28   {29   case WM_MYMSG1:AfxMessageBox(strTemp);30          ;break;31   case WM_MYMSG2:AfxMessageBox("2");break;32   }33  } 34  }35  return 1;36 }