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×¢ÒâÒýÓÃ Filectrl µ¥Ôª
use Filectrl;
procedure TForm1.Button1Click(Sender: TObject);
var
Dir: String;
begin
SelectDirectory('Select a directory', '', Dir);
ShowMessage(Dir);
end;


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    1¡¢kind -> dtktime Ò²¿ÉÒÔÊÇdtkdate µ«ÊÇÔÚÓÃdtkdateµÄʱºòÐèÒª½«datemodeÊôÐÔÐ޸ijÉdmUpDown
    2¡¢parseinput -> true
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DateTimePicker1.DateTime:=DateAndTime;
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     ÎÒÔÚÎÄÕ¡¶DelphiͼÏñ´¦Àí -- ͼÏñ¾í»ý¼°¸ß˹ģºý¡·ÖУ¬½éÉÜÁËÀûÓÃͨÓõÄͼÏñ¾í»ý¹ý³Ì¶ÔͼÏñ½øÐиß˹ģºý´¦Àí£¬Æä´¦ÀíЧ¹û»¹²»´í£¬´¦ÀíСÐÍͼÏñʱ¸Ð¾õÒ²»¹ÐУ¬µ«ÊÇ´¦Àí½Ï´óͼÏñʱµÄËÙ¶È»¹ÊÇÏÓÂý£¬ÔÚÎÒµÄP4 2.8G¡¢1GÄÚ´æµÄ»úÆ÷É϶ÔǧÍòÏñËØÍ¼Ïñ½øÐÐQ=3£¬R=5µÄ¸ß˹ģºý´¦Àí£¬²»°üÀ¨Í¼Ïñ×°ÔØºÍǰÆÚÊý ......

Delphi±í´ïʽ

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. ......

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     procedure MyProc(m,n : Integer; o : String; p : Single = 2.5; q : String = 'Delphi');
     ÈçÉÏÀýËùʾ£¬¹ý³ÌÉùÃ÷ºÍ¶¨ÒåÖУ¬¶à¸ö²ÎÊýÊÇÓ÷ֺŸô¿ªµÄ£¬µ«ÔÚµ÷ÓÃʱÊÇÓöººÅ¸ô¿ªµÄ ¡£eg£º
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