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  Ò»°ãÊÇÕâÑùд
if  CRC32ChecksumOfFile(application.ExeName)=1 then
begin
  //do something
end;


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up

Delphi(Pascal) code:
var
cs:string='[<[{[<[000000000000]}]>]}]';

a1:=application.ExeNameÄÚÈÝ£¬È¡copy(cs,1,7)£¨¼´'[<[{[<['£©Ö®Ç°µÄÄÚÈÝ×öchecksum
a2:=application.ExeNameÄÚÈÝ£¬È¡copy(cs,length(cs)-6,7)£¨¼´']}]>]}]'£©Ö®ºóµÄÄÚÈÝ×öchecksum

if a1 xor a2=strtointdef(copy(cs,8,length(cs)-14),-1) then
begin
//do something
end;

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