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DELPHIÖвÙ×÷ACCESSÊý¾Ý¿â(½¨Á¢.mdbÎļþ,ѹËõÊý¾Ý¿â)

ÒÔÏ´úÂëÔÚWIN2K,D6,MDAC2.6ϲâÊÔͨ¹ý,

±àÒëºÃµÄ³ÌÐòÔÚWIN98µÚ¶þ°æÎÞACCESS»·¾³ÏÂÔËÐгɹ¦.







//ÉùÃ÷Á¬½Ó×Ö·û´®

Const

SConnectionString      
= 'Provider=Microsoft.Jet.OLEDB.4.0;Data Source=%s;'

+'Jet
OLEDB:Database Password=%s;';

//=============================================================================

// Procedure:
GetTempPathFileName

//
Author   : ysai

// Date     :
2003-01-27

// Arguments:
(None)

//
Result   : string

//=============================================================================

function GetTempPathFileName():string;

//È¡µÃÁÙʱÎļþÃû

var

SPath,SFile:array [0..254] of char;

begin

GetTempPath(254,SPath);

GetTempFileName(SPath,'~SM',0,SFile);

result:=SFile;

DeleteFile(result);

end;

//=============================================================================

// Procedure:
CreateAccessFile

//
Author   : ysai

// Date     :
2003-01-27

// Arguments:
FileName:String;PassWord:string=''

// Result   : boolean

//=============================================================================

function CreateAccessFile(FileName:String;PassWord:string=''):boolean;

//½¨Á¢AccessÎļþ£¬Èç¹ûÎļþ´æÔÚÔòʧ°Ü

var

STempFileName:string;

vCatalog:OleVariant;

begin

STempFileName:=GetTempPathFileName;

try

vCatalog:=CreateOleObject('ADOX.Catalog');

vCatalog.Create(format(SConnectionString,[STempFileName,PassWord]));

result:=CopyFile(PChar(STempFileName),PChar(FileName),True);

DeleteFile(STempFileName);

except<


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Smarter Records in Turbo Delphi / Delphi 2006

type
TTurboRecord = record
strict private
fNameValue : integer;
function GetName: string;
public
NamePrefix : string;
constructor Create(const initNameValue : integer) ;
property Name : string read GetName;
end;
var
Form1: TForm1;
implementation
{$R *.dfm} ......

Delphi – ÎҵĴúÂëÖ®¼òµ¥Îå×ÓÆå

¼¼Êõ½»Á÷,DH½²½â. ½ñÌìÀ´ÊµÏÖÒ»¸ö¼òµ¥µÄÎå×ÓÆå,Ö±½ÓÓÃGDIÀ´»­µÄÒ»¸öÓÎÏ·.
Ê×ÏÈÎÒÃÇÀ´ÏëÏÂÔõô´æ·ÅÊý¾Ý,ÄÄЩµØ·½ÊÇ°×Æå,ÄÄЩµØ·½ÊÇºÚÆå,ÄÄЩµØ·½Ã»ÓÐÏÂÆå?
¶Ô,ÎÒÃÇÓÃÒ»¸ö¶þάÊý×é,Èç¹ûÊý×éÖÐijһ¸öλÖõÄֵΪ0´ú±íûÓÐÏÂÆå,Ϊ1´ú±íÊÇ°×Æå,Ϊ2´ú±íÊÇºÚÆå.
ºÃ¾ÍÕâô˵¶¨ÁË,ΪÁËʹÓ÷½±ã,ÎÒÃÇ´òËã×ö³ÉÒ»¸ö¿Ø¼ ......

ADOÊý¾Ý¿â²Ù×÷(ACCESS)

Ò»¡¢ADO¼ò½é
ADO(Active Data Object£¬»î¶¯Êý¾Ý¶ÔÏó)ʵ¼ÊÉÏÊÇÒ»ÖÖ»ùÓÚCOM(×é¼þ¶ÔÏóÄ£ÐÍ)ÖеÄ×Ô¶¯»¯½Ó¿Ú(IDispatch)¼¼Êõ£¬²¢ÒÔOLE DB(¶ÔÏóÁ¬½ÓºÍÏâÈëµÄÊý¾Ý¿â)Ϊ»ù´¡£¬¾­¹ýOLE DB¾«Ðİü×°ºóµÄÊý¾Ý¿â·ÃÎʼ¼Êõ£¬ÀûÓÃËü¿ÉÒÔ¿ìËٵĴ´½¨Êý¾Ý¿âÓ¦ÓóÌÐò¡£
ADOÌṩÁËÒ»×é·Ç³£¼òµ¥£¬½«Ò»°ãͨÓõÄÊý¾Ý·ÃÎÊϸ½Ú½øÐзâ×°µÄ¶ÔÏó¡£ÓÉÓ ......

Override Delphi Form's Restore Operation

{ Private declarations }
procedure WMSysCommand (var Msg: TWMSysCommand) ; message WM_SYSCOMMAND;
procedure TForm1.WMSysCommand(var Msg: TWMSysCommand);
begin
if Msg.CmdType = SC_RESTORE then
begin
ShowMessage('SC_RESTORE');
if self.WindowState = wsMaximized then
begin
......

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Ê×ÏÈÓÃNotepad»òResource workshop 4.5½¨Á¢RCÎļþ¡£ ½á¹¹ÈçÏ /****************************************************************************
rcdemo.rc
produced by Borland Resource Workshop
*****************************************************************************/
# ......
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