如果是SendMessage发送的CString CString s = "xxxxxx";
SendMessage(hWnd,WM_XXXX,NULL,(LPARAM)&s); 消息处理函数:CString s = *((CString*)lParam); 如果使用PostMessage发送:
CString* ps = new CString("xxxxxx");
PostMessage(hWnd,WM_XXXX,NULL,(LPARAM)ps); 消息接收:
CString* ps = (CString*)lParam;
..... 消息处理
delete ps; // 清除CString, 不然会内存泄漏。