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ÔÚbuttonµÄclickʼþÖÐ
if opendialog1.Execute then
memo1.Lines.LoadfromFile(opendialog1.filename);  
2¡¢Àļòµ¥µÄʰ¡
var
   Mytxt : TStringList;
begin
   MyText :=
TStringList('ÄãµÄÎı¾Îļþ¼°Â·¾¶');
 
 MyText.Free;//ʹÍêºóÒªFREEŶ
end;  
 
ÓÃÒ»¸öMemo£¬È»ºóÓÃMemo1.Lines.LoadfromFile('C:\...\*.txt');
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var
f:textfile;
s:string;
begin
 
assignfile(f,'·¾¶ºÍÎļþÃû.txt');
  reset(f);
  readln(f,s);
  showmessage(s);
  closefile(f);
end;


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