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function ExpCalc(exp: string): string;
var
vScript: Variant;
begin
vScript := CreateOleObject('ScriptControl');
vScript.Language := 'VBScript';
Result := vScript.Eval(exp);
end;
procedure TForm1.Button1Click(Sender: TObject);
var
s:string;
begin
s:=ExpCalc('100 *4.17/0.5*(55.22+22)/3.14');
ShowMessage(s);
end;
 


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delphi±¨¾¯ÉùÒô Beep¡¢MessageBeep ºÍ Windows.Beep


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procedure TForm1.Timer1Timer(Sender: TObject);
begin
   Windows.Beep(1200+i_f,10+i_f);
   if i_f<2000 then
   begin
      inc(i_f);
   end
end;
== ......

delphi TWebBrowser×é¼þʹÓÃÏê½â

delphi TWebBrowser×é¼þʹÓÃÏê½â
      ¸Ã×é¼þÊÇÒ»¸öä¯ÀÀÆ÷×é¼þ£¬¿ÉÒÔÏÔʾһ¸öÖ¸¶¨µØÖ·µÄÍøÒ³¡¢ÉèÖÃÍøÒ³´ò¿ªÊ±µÄÖ÷Ò³ÒÔ¼°¶ÔÍøÒ³½øÐÐÏà¹ØµÄ²Ù×÷£¬Í¬Ê±Ò²¿ÉÒÔ¶ÔHTMLÎļþ½øÐмôÇС¢¸´ÖÆ¡¢Õ³Ìù¡¢É¾³ýµÈ²Ù×÷¡£¸Ã
      ×é¼þÔÚInternet×é¼þÒ³ÖС£
     ......

delphiÖÐDateTimePickerͬʱÐÞ¸ÄÈÕÆÚºÍʱ¼äµÄʵÏÖ

µÚÒ»ÖÖ·½·¨£º
µÚÒ»²½£º ÐÞ¸ÄÊôÐÔ
    1¡¢kind -> dtktime Ò²¿ÉÒÔÊÇdtkdate µ«ÊÇÔÚÓÃdtkdateµÄʱºòÐèÒª½«datemodeÊôÐÔÐ޸ijÉdmUpDown
    2¡¢parseinput -> true
µÚ¶þ²½£ºÔÚonUserInputʼþÖÐдһ¾ä´úÂë
DateTimePicker1.DateTime:=DateAndTime;
×¢£ºÒÔÉÏ·½·¨ËäÈ»¿ÉÒԴﵽĿµÄ£¬µ ......

DelphiµÄHashTable

{-----------------------------------------------------------------------------
 Unit Name: HashTable
 Author:    LiuHeng
 Date:      2010-04-13
 Purpose:   ·â×°DelphiµÄHashTable
 History:
------------------------------- ......

delphi ½Å±¾ÒýÇæ±È½Ï

TMS Scripter£ºÖ§³ÖPascalºÍVBScriptÁ½ÖÖÓï·¨¡£ÓŵãÊÇÎĵµÆëÈ«¡¢Àý×ÓÆëÈ«£¬½Å±¾¿ÉÖ±½ÓÖ§³ÖDLL£¬¹Ù·½»¹ÌṩÁ˷ḻµÄIDE Debug¹¤¾ß¡¢µ¥Ôªµ¼³öº¯Êý¹¤¾ßµÈ£¬È±µãÊDZàÒëÔËÐнÏÂý¡£for ¿ÕÑ­»·1000Íò´Î£¬ÐèÒª10ÃëÖÓÒÔÉÏ¡£TMS ScripterÊÇÉÌÒµ¹²ÏíÈí¼þ¡£
       FastScript£ºÓùýFastReport±¨±íµÄÍ¬Ñ ......
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