I've had some issues with printers before due to funny changes to 
case.  Try replacing

     if trim(printer.printers[iLoop])=pn then

with

     if sametext (trim(printer.printers[iLoop]), pn) then

and see if that resolves the problem.


At 03:59 AM 9/1/2006, Chris Moore wrote:
>Hello List,
>
>This function DOES work on my development machine (XP SP2) but DOES NOT work
>on the target PC (XP SP2).
>
>Function TestForPrinter(pn:string):Boolean;
>var
>r:Boolean;
>ni,iloop:integer;
>mess:string;
>begin
>r:=true;
>ni:=-1;
>for iloop:=0 to printer.printers.Count-1 do
>     begin
>     if trim(printer.printers[iLoop])=pn then
>        begin
>        ni:=iLoop;
>        end;
>     end;
>if ni<1 then // Oh No - No Printer
>    begin
>    r:=false;
>    mess:='!! ERROR - printer '+pn+' not installed on this PC !!'+#10;
>    mess:=mess+''+#10;
>    mess:=mess+'Contact the Computer Department'+#10;
>    showmessage(mess);
>    end;
>TestForPrinter:=r;
>end;
>
>This snippet works on both PC's - (I thought the trim function might be
>getting in the way so I put logic in to test)
>
>procedure testy;
>var
>iloop:integer;
>pn,an:string;
>begin
>form1.CheckListBox1.Clear;
>pn:=form1.edt_find.Text; {tedit used to test for printers and duffstuff}
>for iloop:=0 to printer.printers.Count-1 do
>     begin
>     form1.CheckListBox1.Items.Add(printer.printers[iLoop]);
>     if form1.CheckBox1.Checked then
>        an:=trim(printer.printers[iLoop])
>     else
>        an:=printer.printers[iLoop];
>     if an=pn then
>        form1.CheckListBox1.Checked[iLoop]:=true;
>     end;
>end;
>
>Why does one work and the other not? - I am confused++
>
>Chris Moore
>Computer Department
>
>Brother Industries (UK) Ltd
>
>
>
>
>_______________________________________________
>Delphi mailing list -> [email protected]
>http://www.elists.org/mailman/listinfo/delphi

Regards,
Sid Gudes
PIA Systems Corporation
[EMAIL PROTECTED] 


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