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Progressbar and file copy.

Posted on 1998-10-03
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Last Modified: 2012-05-04
Can someone tell me how to use the progressbar
when copying a file to disk.
I use the copyfile option of delphi.

Thanks,
Vincent
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Question by:Vincentg
2 Comments
 
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Expert Comment

by:Madshi
ID: 1341653
Vincent,

look at the win API "CopyFileEx".

Regards, Madshi.
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Accepted Solution

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Motaz earned 200 total points
ID: 1341654
You must write your own copy.. It's very easy :

procedure FileCopy(SourceName,DestName:string);
var
  SourceF,DestF:file;
  Buf:array [0..1023] of byte;
  NumRead,FSize,BytesCopied:integer;
begin
  AssignFile(SourceF,SourceName);
  AssignFile(DestF,DestName);
  FileMode:=0;
  Reset(SourceF,1);
  Rewite(DestF,1);
  FSize:=FileSize(SourceF);
  BytesCopied:=0;
  while not Eof(SourceF) do
  begin
    Blockread(SourceF,Buf,SizeOf(Buf),NumRead);
    Blockwrite(DestF,Buf,NumRead);
    Inc(BytesCopied,NumRead);
    ProgressBar1.Position:=(BytesCopied*100) div FSize;
    Application.ProcessMessages;
  end; (* while *)
  CloseFile(SourceF);
  CloseFile(DestF);
end;

Motaz from Sudan.
motaz1@yahoo.com
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