在主线程不能接收工作线程发来的sendmessage消息附带的消息 - C++ Builder / Windows SDK/API
在工作线程向主线程发送消息:
int statuss = 1;SendMessage(FM->Handle, WM_MYMSG, 0, (LPARAM)status);
void __fastcall FM::OnMYMSG(TMessage &MyMessage){ int x; x = msg.lParam;}
void __fastcall FM::OnMYMSG(TMessage &MyMessage){ int value; switch (MyMessage.Msg) { case WM_MYMSG: value = MyMessage.LParam;//这个就是statuss的值 break; default: break; }}