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ÓÐʱºòÎÒÃÇÐèÒª¿ÉÒÔ¸ßËÙ¼ìË÷µÄÁÐ±í£¬×ÔÈ»»áÏëµ½¹þÏ£±í£¬Æ½Ê±ÎÒÃÇ¿ÉÄÜÏëµ½ÓÃIniFilesµ¥ÔªÀïµÄTHashedStringList£¬µ« THashedStringListÿ´ÎÐÂÔöÒ»¸öItemºó¶¼ÐèҪˢÐÂÒ»±é£¬Êý¾Ý¶àÁË¿ÉÄÜ»áÓеãÂý£¬¸Ð¾õ²»Ì«ºÃ£¬¶øTStringHashÔòÖ»ÄÜ´æ IntegerÐ͵Ä(ËäÈ»ÎÒÃÇ¿ÉÒ԰ѱðµÄ¶«Î÷Ç¿ÖÆת³ÉÕûÐÍ´æ½øÈ¥£¬µ«¸Ð¾õ²»Ì«ºÃ)¡£TStringHashÒѾ­ÊµÏÖÁ˹þÏ£±íµÄÈ«²¿¹¦ÄÜ£¬ÎÒÃÇÖ»ÐèÒª¸ÄһϠ¾Í¿ÉÒÔΪ×Ô¼ºËùÓÃÁË¡£
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1.ΪÄܸüͨÓÃһЩ£¬°Ñ´æ´¢µÄÖµ¸ÄΪPointerÀàÐÍ;
2.ÐÂÔöÁËFindKey·½·¨ÓÃÓÚÅжϱíÖÐÊÇ·ñ´æÔÚij¸öKeyÁË;
3.ÐÂÔöÁËStartEnumºÍEnumValue·½·¨£¬ÓÃÓÚ±éÀúÕû¸ö¹þÏ£±í£¬±ÈÈ磺
var aItem:TIntfItem;
begin
FList.StartEnum;
while FList.EnumValue(Pointer(aItem)) do
begin
      if aItem.Lifecycle=ilSys then
      aItem.Free;
end;
end;
4.ÐÂÔöÁËOnDeletionʼþ£¬¹¦ÄܺÍTtreeViewµÄOnDeletionÒ»Ñù£¬É¾³ýItemʱ´¥·¢£¬¿ÉÒÔÔÚÕâÀïÊÍ·ÅЩ¶«Î÷£¬±ÈÈ磺
procedure TIntfFactory.OnDeletion(var Value: Pointer);
begin
if assigned(Value) then
begin
    TIntfItem(Value).Free;
    Value:=nil;
end;
end;
ÏÂÃæÊÇÐ޸ĺóµÄ´úÂ룺
unit HashList;
interface
Type
PPHashItem = ^PHashItem;
PHashItem = ^THashItem;
THashItem = record
    Next: PHashItem;
    Key: string;
    Value: Pointer;
end;
TDeletionEvent=Procedure(var Value:Pointer) of Object;
THashList = class
private
    FEnumIndex:Cardinal;
    FCurrItem:PHashItem;
    Buckets: array of PHashItem;
    FOnDeletion: TDeletionEvent;
    procedure DoDeletion(var Value:Pointer);
protected
    function Find(const Key: string): PPHashItem;
    function HashOf(const Key: string): Cardinal; virtual;
public
    constructor Create(Size: Cardinal = 256);
    destructor Destroy; override;
    procedure Add(const Key: string; Value: Pointer);
    procedure Clear;
   


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