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Delphi Open Tools API dz̽

savetime2k@yahoo.com  2004.1.28
http://savetime.delphibbs.com
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===============================================================================
¡Ñ TBaseComponentEditor class
¡Ñ IComponentEditor interface
¡Ñ TComponentEditor class
¡Ñ TComponentEditor.ExecuteVerb ·½·¨
¡Ñ TComponentEditor.PrepareItem ·½·¨
¡Ñ TComponentEditor.Edit ·½·¨
¡Ñ TComponentEditor.IsInInlined ·½·¨
¡Ñ TDefaultEditor class
¡Ñ TSelectionEditor class
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delphi canvasʹÓÃ

ÔÚDELPHIΪ±à³ÌÕßÌṩÁËÒ»¸öÁé»îµÄ»æͼ³¡Ëù,¼´±¾ÎÄËùÊöµÄ   
CANVASÀà,ÔÚDELPHIÖеĺܶà¿Ø¼þ¶¼¾ßÓдËÊôÐÔ,ʹ±à³ÌÕß¿ÉÒÔ   
ÔÚÕâЩµÄ¿Ø¼þµÄ±íÃæËæÐÄËùÓûµÄ»æͼ,Õâ¶ÔÍêÉÆÓû§½çÃæ»òÕßÖÆ   
×÷һЩÆÁÄ»Ìؼ¼¶¼ÓÐ×Å·Ç·²µÄ×÷ÓÃ,ÏÂÃæ¾ÙÀý˵Ã÷¼¸ÖÖÌØÊâÆÁÄ»   
Ч¹ûµÄÐγɹý³Ì¡£   
  
Ò»¡¢CANVAS±Ø±¸»ù±¾ÖªÊ¶£º   
  
1.¾ßÓÐCANVASÊôÐԵĿؼþ:   
TBitmap,TComboBox,TDBComboBox,TDBGrid,TDBListBox,TDirectoryListBox, 
TDrawGrid,TFileListBox,TForm,THeaderControl,TImage,TListBox,TOutline, 
TPaintBox,TPrinter,TStatusBar,TStringGridµÈ,   
  
2.CANVASÊôÐÔ¼°ÃüÁî:ƪ·ùËùÏÞ,Ê¡ÂÔ²ÎÊý¼°¸ñʽ˵Ã÷,¾ßÌåÇë²Î¿¼Îĺó³ÌÐò¼°DELPHI°ïÖúÎļþ:   
  
canvas.rectangle():»­¾ØÐÎpen.color:¶¨Òå»­±ÊÑÕÉ«   
roundrect():»­Ô²½Ç¾ØÐÎpen.width:¶¨Òå»­±Ê¿í¶È   
arc():»­»¡Ïß(²»Ìî³ä) brush.color:¶¨ÒåÌî³äÑÕÉ«  & ......

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          Óйؿª·¢Ï°¹ßµÄһЩÏë·¨£¬ÈçöáÔÚºí£¬²»Í²»¿ì¡£¾¿Æä·¢Ìù¶¯»ú£¬µ±È»²»ÅųýÓÐÆ­È¡²ÎÓë·ÖµÄ¿ÉÄÜ£¬µ«ÁíÒ»·½Ã棬ҲϣÍûÄܸøͬÐУ¨ÄîXing£©ÕßÌṩһЩ½¨Ò飬»òÕ߲ο¼(Ï£Íû²»ÊÇÎóÈË×ÓµÜ)¡£Í¬Ê±£¬Ò²Ï£Íû¸÷λÄܹ»¾ÍÎÒµÄÕâЩªϰ£¬·¢±íÒ»µã¿´·¨£¬¸ø³öÅúÆÀºÍÖ¸ÕýµÄÒâ¼û¡£Ð»Ð»¡£
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Delphi ActiveX FormµÄʹÓÃʵÀý

 Delphi ActiveX FormµÄʹÓÃʵÀý
By knityster
1. ActiveX¿Ø¼þ¼ò½é
ActiveX¿Ø¼þÒ²¾ÍÊÇÒ»°ãËù˵µÄOCX¿Ø¼þ£¬ËüÊÇActiveX¼¼ÊõµÄÒ»²¿·Ö¡£
ActiveX¿Ø¼þ¿ÉÒÔ±»¼¯³Éµ½ºÜ¶àÖ§³ÖActiveXµÄÓ¦Óõ±ÖÐÈ¥£¬»òÕßÖ±½ÓÓÃÀ´À©Õ¹Ó¦ÓõŦÄÜ£¬ÕâЩ֧³ÖActiveXµÄÓ¦ÓðüÀ¨C++ Builder¡¢Delphi¡¢Visual dBASE¡¢ Visual Basic¡¢Visual C++¡¢Internet Explorer¡¢Netscape NavigatorµÈ¡£
¼òµ¥µÄ˵£¬ActiveX¼¼Êõ¿ÉÒÔʹ¶àÖÖ±àÒëÆ÷ÖÐÖÚ¶àµÄ¿Ø¼þµÃµ½»¥Ó㬱ÈÈç˵£ºÎÒ¿ÉÒÔ½«DelphiÖеĿؼþ´ò°üΪActiveX¿Ø¼þºóÈ»ºó¼ÓÔص½Visual C++ÖнøÐÐʹÓã¬ÕâÑùÔÚVCÖÐÒ²¿ÉÒÔʹÓÃDelphiÖеÄÕâЩ¿Ø¼þÀ´ÊµÏÖÏàÓ¦µÄ¹¦ÄÜÁË¡£
2. ActiveX¿Ø¼þÏà¹Ø֪ʶ
ÔÚDelphiÖУ¬Ò»¸öActiveX¿Ø¼þÓÉÈçϼ¸¸ö²¿·Ö×é³É£ºVCL(¿ÉÊÓ»¯¹¹¼þ¿â)¿Ø¼þ¡¢ÊôÐÔ¡¢·½·¨¡¢Ê¼þ£¬ÒÔ¼°Ò»¸ö»òÕ߶à¸öÏà¹ØµÄÀàÐÍ¿â¡£
2.1¡¢VCL¹¹¼þ
ÔÚDelphiÖУ¬Ò»¸öActiveX¿Ø¼þÊÇÓÉÒ»¸ö»òÕ߶à¸öVCL¹¹¼þ¾­¹ý°ü×°ÒÔºóµÃµ½µÄ¡£ËùÒÔ£¬ÒªÊ¹ÓÃDelphiÀ´¿ª·¢ActiveX¿Ø¼þ£¬±ØÐëÏȵÿª·¢³ö»òÕßÑ¡ÔñÒª½øÐаü×°µÄVCL¹¹¼þ¡£Ò²ÕýÊÇÓÉÓÚÕâ¸öÔ­Òò£¬ÎÒÃÇ¿ÉÒÔ½«DelphiÀï´óÁ¿ÓÅÐãµÄVCL¹¹¼þ°ü×°³ÉActiveX¿Ø¼þ£¬´Ó¶ø¿ÉÒÔÔÚ±ðµÄ²»Äܹ»Ö±½ÓʹÓÃVCL¹¹¼þµÄ¿ª·¢¹¤¾ß(ÈçVisual Basic¡¢Visual C++)À ......

delphi stringÀàÐÍתintegerʱ³ö´íµÄ¼ì²â

procedure TForm1.Button1Click(Sender: TObject);
Var
  Num: Integer;
Begin
  Try
    Num:=StrToInt(Edit1.Text);
    Edit2.Text:=IntToStr(Num*Num);
  Except
    On EConvertError Do   ShowMessage(Edit1.Text+'ÎÞ·¨×ª³ÉÕûÊý!');
  End;
end; ......
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