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Program not responding

Posted on 2009-05-05
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Last Modified: 2012-05-06
I have an application that copies files from the origional directory to a backup/copy directory with a tProgress bar and 2 tLabels to show the progress of the copy
If the user clicks on the program or the windows screen NOT RESPONDING show on the top of the application and the tprogress bar and tlabels stop showing the progress - the program is still running but the user thinks its stopped and exits it. causing the copy not to be completed

How do I stop the the not responding and keep the tProgress bar and tlabels working

attached is a part of the code I am using
for i := 0 to filelistbox.Items.Count - 1 do begin             // Listbox with the files to bg copied
      pbBuild.stepit;                                                          // tProgress Bar
      f := 'c:\backupfiles\' + filelistbox.Items.Strings[i];    
      f1 := 'c:\origionalfiles\' + filelistbox.Items.Strings[i];         
      Label1.caption := 'From  ' + f;
      Label2.caption := 'To  ' + f1;
      Label1.refresh;
      Label2.refresh;
      form1.Refresh;
      CopyFile(PChar(f), PChar(f1), False);
      appscount := appscount + 1;
      form1.bringtofront;
      lCopied.Caption := 'Files Copied - ' + inttostr(AppsCount);
      lCopied.repaint;
      form1.Repaint;
      form1.refresh;
  end;

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Question by:Kevinfeening
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4 Comments
 
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Accepted Solution

by:
rfwoolf earned 2000 total points
ID: 24310012
Try throwing in Application.ProcessMessages - just a guess :p
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Expert Comment

by:davizinx
ID: 24310075
you can use this

Procedure CopyFiles;
var
i : integer;
begin
for i := 0 to filelistbox.Items.Count - 1 do begin             // Listbox with the files to bg copied
      pbBuild.stepit;                                                          // tProgress Bar
      f := 'c:\backupfiles\' + form1.filelistbox.Items.Strings[i];    
      f1 := 'c:\origionalfiles\' + form1.filelistbox.Items.Strings[i];         
      form1.Label1.caption := 'From  ' + f;
      form1.Label2.caption := 'To  ' + f1;
      form1.Label1.refresh;
      form1.Label2.refresh;
      form1.Refresh;
      CopyFile(PChar(f), PChar(f1), False);
      appscount := appscount + 1;
      form1.bringtofront;
      form1.lCopied.Caption := 'Files Copied - ' + inttostr(AppsCount);
      form1.lCopied.repaint;
      form1.Repaint;
      form1.refresh;
  end;
 
procedure TForm1.Button1Click(Sender: TObject);
var
id : cardinal;
begin
 BeginThread(nil,0,@CopyFiles,nil,0,ID);
end;

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Expert Comment

by:davizinx
ID: 24310087
ps: specify in all components used in the procedure "CopyFile"  Form1.  before.(ex: like i forget fist[Form1.filelistbox.Items.Count...])
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Author Closing Comment

by:Kevinfeening
ID: 31578282
Simple solutions are the best
Thanks
Kevin
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