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2¡¢ÇëÁоÙVCLÊý¾Ý¿â·½ÃæµÄºËÐÄÀà
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Oracle£ºselect top 100 * from tablename
Mssql£ºselect * from tablename where rownum < 101
8¡¢¶þ²æÊ÷
type
TBTreeNode = class
      Data: string;
      Left: TBTreeNode;
      Right: TBTreeNode;
end;
function NewNode(const Data: string; Left, Right: TBTreeNode): TBTreeNode;
begin
Result := TBTreeNode.Create;
Result.Data := Data;
Result.Left := Left;
Result.Right := Right;
end;
var Root: TBTreeNode;
procedure Init;
begin
{ ½¨Ê÷£º
               =
      X                 *
                  +             -
              1       2    3       4
}
Root = NewNode('=', NewNode('X', nil, nil),
NewNode('*', NewNode('+', NewNode('1', nil, nil), NewNode('2', nil, nil)),
NewNode('-', NewNode('3', nil, nil), NewNode('4', nil, nil))));
end;
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uses 
    Windows,  
    SysUtils,  
    Classes,  
    ShellAPI;  
function RunAndWait(FileName: string; Visibility: Integer): THandle;&nbs ......

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lst
TPanelµÈËùÓеÄÃæ°åÀà
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Delphi Óë C/C++ Êý¾ÝÀàÐͶÔÕÕ±í

Delphi Óë C/C++ Êý¾ÝÀàÐͶÔÕÕ±í
DelphiÊý¾ÝÀàÐÍC/C++
ShorInt
8λÓзûºÅÕûÊý
char
Byte
8λÎÞ·ûºÅÕûÊý
BYTE,unsigned short
SmallInt
16λÓзûºÅÕûÊý
short
Word
16λÎÞ·ûºÅÕûÊý
unsigned short
Integer,LongInt
32λÓзûºÅÕûÊý
int,long
Cardinal,LongWord/DWORD
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Int6 ......

DelphiÉî¶È̽Ë÷Ö®×Ô¶¯Íê³ÉÍâ¿ÇÀ©Õ¹

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Delphi Open Tools API dz̽

savetime2k@yahoo.com  2004.1.28
http://savetime.delphibbs.com
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