Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Delphi spcomm ¿Ø¼þ - Delphi / ÍøÂçͨÐÅ/·Ö²¼Ê½¿ª·¢

´óÏÀÃÇ°ï濴һϣ¬ÓÃspcomm¿Ø¼þ½øÐд®¿ÚͨÐÅ¡£
·¢ËÍÊý¾Ý£º
procedure TForm1.Button2Click(Sender: TObject);
var
 strPressure:string;
begin
 
 strPressure:='SEND'+#13;
 comm1.WriteCommData(pchar(strPressure),Length(strPressure));
end; 

½ÓÊÕÊý¾Ý£º
procedure TForm1.Comm1ReceiveData(Sender: TObject; Buffer: Pointer;
  BufferLength: Word);
var
 RecvBuf:string;
 strPressure:string;
 str:string;
begin
 Setlength(RecvBuf,BufferLength);
 move(buffer^,pchar(recvbuf)^,bufferlength);
 strPressure:=recvbuf;
 strPressure:=MidStr(strPressure,7,bufferlength-6);
 strPressure:=LeftStr(strPressure,bufferlength-10);
 str:='ѹǿÊÇ£º'+strPressure;
 memo1.Lines.Add(str);
end 
end;
¸øÆøѹ´«¸ÐÆ÷ͨÐÅ£¬µ«ÊÇTForm1.Comm1ReceiveData´Ëʼþ¾ÍûÓд¥·¢¹ý£¬ÎªºÎѽ?
Õ⼸ÌìÕâ¸öÎÊÌâºÃ¶à¡£¡£¡£

°ÑÄãµÄSpComm¿Ø¼þÊôÐÔÒ³ÀËùÓÐTrueµÄµØ·½¶¼¸ÄΪFalseÔÙÊÔ¡£


ÊDz»ÊÇ這個ÃüÁî無Ч°¡

(Ц°ÔÍõ) :

ÄÜÏêϸ½²½âÉèÖÃfalseÄǼ¸¸öÊôÐÔµÄ×÷ÓÃÂð£¿

ÄãÓ¦¸Ãµ½ÍøÉÏÈ¥Ê×ÏÈÑо¿Ò»Ï£¬Õ⼸¸öÊôÐÔµÄ×÷Óã¬ÄãÕâÑù±à³ÌÐò£¬¿Ï¶¨±à²»ºÃ


Ïà¹ØÎÊ´ð£º

delphiÈçºÎµ÷ÓÃdllÎļþÖеÄexe

Çë½Ì¸÷·¸ßÊÖ¡£ÎäÁÖÇ°±²¡£ÎÒ½«B.EXE×ö³É×ÊÔ´Îļþ£¬È»ºó¼Óµ½123.dllÖС£ÓÃA.EXEÀ´µ÷ÓÃ123.dllÖеÄB.EXE
Çë¸÷λǰ±²°ïæָ½ÌÏ¡£A.exeÈçºÎÀ´µ÷ÓÃdllÖеÄexe£¿´úÂëÓÖ¸ÃÈçºÎд£¿


ÎÞÈ˻شð£¿

×ö³É×ÊÔ´Î ......

Ç¿ÁÒ½¨ÒéDELPHI°æ¸ü»»´ó°æ - Delphi / ·Ç¼¼ÊõÇø

hongqi162¡¢windindance
´Ë2È˳¤ÆÚ²»ÔÚÏߣ¬ÌرðÊÇwindindance
¸ü»»ÓÐÄÜÁ¦µÄÈËÉÏ
hongqi162»¹ÊǾ­³£ÉÏÀ´×ª×ªµÄ

ÒýÓÃ
¸ü»»ÓÐÄÜÁ¦µÄÈËÉÏ
ÆäʵҲ²»ÊÇʲôÄÜÁ¦µÄÔ­Òò£¬Ö÷Òª¿ÉÄÜÊÇʱ¼äÎÊÌâ°É
¹¤×÷µÄ»¹ÒªÉÏ°à£¬Ñ§Ï ......

Õâ¸öSQLÓï¾äÓÐʲôÎÊÌâ? - Delphi / ·Ç¼¼ÊõÇø

select * from shuju.DB where ¿ªÅ̼Û-ÊÕÅ̼Û<=0.02
¿ªÅÌ¼Û ÓëÊÕÅÌ¼Û ÊÇÊý¾Ý¿âÀïµÄ×Ö¶Î
select * from aTableName where ((¿ªÅ̼Û-ÊÕÅ̼Û) <=0.02 )

¿ªÅ̼۱ÈÊÕÅ̼۵ÍÁ½·ÖÒÔϵÄÇé¿ö

Mark!!!!!!

se ......

delphiÈçºÎ±¸·ÝorcalÊý¾Ý¿â£¿ - Delphi / Êý¾Ý¿âÏà¹Ø

³ÌÐòʹÓõÄÊÇOrcalÊý¾Ý¿â£¬Ï붨ÆÚ£¨Ã¿¼¾¶È£©¶ÔÊý¾Ý¿â½øÐб¸·Ý£¬Ã»É¶Í·Ð÷£¬ÇëÎÊÓ¦¸ÃÔõôŪ£¿
ÓÐʲôÌØÊâÒªÇóÂ𣬱ÈÈçҪǰ¶Ë½çÃ棿
Ò»°ãÓÃÊý¾Ý¿â×Ô´øµÄ¡°¼Æ»®ÈÎÎñ¡±ÅäÖÃһϾ͹»ÁË

ûÓÐʲôÌØÊâÒªÇó¡£ÀýÈ磬ֻҪµ ......

delphiÓï¾ä - Delphi / ·Ç¼¼ÊõÇø

procedure WMNCHitTest(var Msg:TWMNCHitTest); message WM_NCHITTEST;
procedure WMNCPaint(var Msg: TWMNCPaint); message WM_NCPAINT;
ÇëÎÊһϣ¬ÕâÁ½¸öº¯ÊýÊÇÉÏÃæÒâ˼£¬ÔÚÉÏÃæʱºòµ÷Óã¬message WM_NCHITTEST; ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ