[ÔÚÏßµÈ]Delphi 2010ÖÐspcommµÄÎÊÌâ

ÎҵıÏÒµÉè¼ÆÀïÃæÐèÒªÓà delphi ºÍcomport ͨѶ¡£
´ÓÍøÉÏϵ½ÁËÁ½¸ö°æ±¾µÄspcomm, ¶¼²»ÄÜÓá£

ÏÈ˵һÏÂÎҵݲװ²½Öè

tools->option->Environmental options->Library -Win32->Library Paths
È»ºóÔÚ³ÌÐòÀïÃæ ¼ÓÈëuse spcomm;

±àÒëÒÔºóÁ½¸ö°æ±¾µÄÎÊÌⶼ³öÏÖÔÚ
if not SetupReadEvent( @overlappedRead,
                            szInputBuffer, INPUTBUFFERSIZE,
                            nNumberOfBytesRead ) then
ÖеÄszInputBuffer. ±È½ÏÔçµÄÒ»¸ö°æ±¾ÊÇÖ±½ÓµÄszInputBuffer, ÁíÒ»¸öPChar(szInputBuffer).

ϵͳ±¨´íÊÇIncompatible types:  Array and PAnsiChar

ÎҰѺóÕ߸ÄΪPAnsiChar(szInputBuffer)ÒÔºó£¬ ³É¹¦±àÒ룬µ«ÊÇÔÚÔËÐÐÏÂÃæµÄ´úÂëʱ£¬³öÏÖÎÊÌâ¡£
fcomm: TCOMM;
begin
fcomm.CommName := 'COM1';
fcomm.BaudRate := 9600;
fcomm.Parity := false;

if fcomm.PortOpen then
btnDisplay.Caption := 'Port Open'
else
btnDisplay.Caption := 'Port Closed';
end;

ϵͳ±¨´í: Access violation at address 004BFC32 in module "project1.exe'. Read of address 0000003c.

ÊÇDelphi 2010ºÍspcomm²»¼æÈÝô£¿ Èç¹ûÊÇÕâÑù£¬ÄÇô×îеĺÍspcomm¼æÈݵÄdelphiÊÇÄĸö°æ±¾£¿Ð»Ð»Ö¸µã¡£

---

ÒýÓÃ

D2007 D7ÎÒÊÔ¹ýûÓгö¹ýÄÇ