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1) Error loading midas.dll     ûÓÐ×¢²ámidas.dll ÔËÐÐRegSver32.exe midas.dll
2)Result := GetProcAddress(FGDIPlusLibrary, PChar(ProcName));±àÒë ³öÏÖÕâÑùµÄÎÊÌ⣬Ӧ¸ÃÊÇÉèÖ÷½ÃæµÄÎÊÌ⣬Project->Options->Complier->Hugestrings ¹³ÉϾÍokÁË£¡
3) TCheckListBoxÓиöitemEnable[Index] := FalseÊôÐÔ¿ØÖÆÄ³Ò»Ïî²»¿É¸Ä
4) ÅúÁ¿¸ù¾ÝATextÊÇ·ñΪ¿ÕÅжÏÑÕÉ«
procedure TM4_FaultModifyForm.SetColor(ALabel: array of TLabel;
AText: array of string);
var
VIndex: Integer;
begin
for VIndex := Low(AText) to High(AText) do
if AText[VIndex] = '' then
ALabel[VIndex].Font.Color := clBlue
else
ALabel[VIndex].Font.Color := clWindowText;
end;
5) ½çÃæÍø¸ñÐ޸ļǼºóÒªÖØÐ¶¨Î»µ½¸ÃÌõ¼Ç¼ÓÃdsQuery.DataSet.Locate('file_no', VFileNo, []);
6)  Could not convert variant of type(Null) into type (string) ¼ÓVarToStr
7) ÐÞ¸ÄÍø¸ñµÄDataController.Summary.Options.soSelectedRecords := Trueʱ¾¹È»»á³öÏÖÕâÑùµÄÒì³£‘List index out of bounds(8)’
8) Ð½¨»òÐÞ¸Äʱ¼äʱ£¬Ó¦¸Ã¶Ô¿Ø¼þcxDateEdit½øÐÐÅжÏÊÇ·ñΪ¿Õ£¬²»È»Ä¬ÈÏ´«Èë'0000:0:0'Öµ£¬²éѯ³ö´í
9) µ±Íø¸ñÖÐÐèÒªÒ»¸ö×ֶλòÕß¼¸¸ö×Ö¶ÎÊäÍêºóÁ¢¼´³öÀ´Ò»¸ö½á¹û£¬ÔòÓÃ×Ö¶ÎÖеÄProperties.OnValidateʼþ
10) ¶¨ÒåVstrΪstringÀàÐÍ£¬ÔòVstr[1]¿ÉÒÔÈ¡µ½¸Ã×Ö·û´®ÖеĵÚÒ»¸ö×Ö·û¡£ÀàËÆResultÈç¹ûΪstringÐÍÒ²¿ÉÒÔ¡£
11) ²é¿´Ê± Memo Îı¾¿òÒªÖ§³Ö Ctrl + A ȫѡ£¨ if (Key = 65) and (Shift = [ssCtrl]) then
(Sender as TDBMemo).SelectAll;£©,²¢ÇÒÖ§³Ö°´ESCÏìÓ¦Í˳ö¸ÄÊôÐÔWantReturns := False
н¨Ê±Memo Îı¾¿òÖ§³ÖESC£¬ÔÚOnKeyPressʼþÖÐif Key = #27 then Close
12) ɾ³ýĬÈϾ۽¹µ½È¡ÏûÉÏ£ºApplication.MessageBox('ÊÇ·ñÕæµÄҪɾ³ý¼Ç¼?', 'Ìáʾ', MB_OKCANCEL + MB_DEFBUTTON2)
13) Èç¹ûµ¯³öÈ磺'LebutFormD7...'ÀàËÆ¿ª·¢°üÑùµÄ´íÎ󣬺ÜÓпÉÄÜÊÇ¿ª·¢°üÒѾ­¸üйý£¬ÖØÐ°²×°
14) Èç¹û°´Tab¼ü²»Ï£ÍûÔÚij¸ö¿Ø¼þÏÔʾ½¹µã£¬ÇҸÿؼþûÓÐTabstopÊôÐÔ£¬Ôò¿ÉÒÔÊÖд´úÂëÓ¦¸ÃÓдËÊôÐÔ
15) "License is in invalid or has expired
M4_ServiceDefintions.dpk(2): Readerror on 'c:\program files\borland\delphi7\lib\System.dcu"
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1.µ÷ÓÃWindows2000,xpеÄAPIº¯ÊýʵÏÖÕâÒ»¹¦ÄܵĹý³Ì¡£Ê¹ÓÃSetLayeredWindowAttributes
2.Ö±½ÓÉèÖÿؼþµÄalphablend,alphablendvalue£¬¼ä½Óµ÷ÓÃÉÏÊöapi.
3.ʹÓÃTStaticText¿Ø¼þ
procedure WMCtrlColor(var Message: TWMCtlColor); message WM_CTLCOLOR;
procedure TForm3.WMCtr ......

Delphi µÄ×Ö·û¼°×Ö·û´®[

Delphi µÄ×Ö·û¼°×Ö·û´®[1] - string¡¢AnsiString¡¢WideString¡¢String[n]¡¢ShortString
2008-10-17 14:57:17
//×î³£ÓÃµÄ string
var
  str: string;   {¶¨Òå}
begin
  str := 'ÍòÒ»'; {¸³Öµ}
  ShowMessage(IntToStr(Length(str))); {³¤¶ÈÊÇ: 4}
end;
//³¤×Ö·û´® AnsiString; ÔÚµ±Ç°°æ± ......

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TFormµÈ´°ÌåÀà 
frm
TButton, TSpeedButtonµÈËùÓеİ´Å¥Àà 
btn
TCheckBoxµÈËùÓеļì²é¿ò 
chk
TRadioButtonµ¥Ñ¡°´Å¥Àà
rdo
TListBoxµÈËùÓеÄÁбí¿òÀà 
lst
TPanelµÈËùÓеÄÃæ°åÀà
pnl
TLabel, TStaticTextµÈËùÓÐÓÃÀ´ÏÔʾµÄ±êÇ©Àà 
lbl
TE ......

Delphi Open Tools API dz̽

savetime2k@yahoo.com  2004.1.28
http://savetime.delphibbs.com
½ñÌ쿪ʼѧϰԪ¼þ±à¼­Æ÷£¬¸Ð¾õ±ÈÊôÐԱ༭Æ÷¼òµ¥Ðí¶à£¬µ«»¹ÊÇÓöµ½ÁËһЩÒÉÎÊ¡£Èç¹ûÄãÄܽâ´ðÎÄÖмǼµÄÎÊÌ⣬Çë¸æËßÎҴ𰸣¬Ð»Ð»£¡
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¡Ñ TBaseComponentEdit ......

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01.procedure TPortForm.FormCreate(Sender: Tobject);
02.var hr :thandle;
03.begin
04.hr:=createroundrectrgn(0,0,width,height,20,20);
05.setwindowrgn(handle,hr,true);
06.end;
Èç¹û²»Òª´°ÌåÍâ¿ò£¬ÔòʹÓãº
01.procedure TPortForm.FormCreate(Sender: Tobject);
02.var hr :thandl ......
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