Question and Answer Database

FAQ603D.txt - Changing the papersize of a print job.

Category   :Printing
Platform   :All-32Bit
Product    :

Question:
How can I change the papersize of my print job?


Answer:
One way to change printer settings at the start
of a print job is to change the printer's devicemode
structure.

See: TDEVMODE in the Delphi 1.02 help file or DEVMODE
in the Delphi 2.01 help file for other settings you can
change (providing the print driver supports the change).

The following example, contains code to change the papersize and
the paper bin that is used:

procedure TForm1.Button1Click(Sender: TObject);
var
Device : array[0..255] of char;
Driver : array[0..255] of char;
Port   : array[0..255] of char;
hDMode : THandle;
PDMode : PDEVMODE;
begin
  Printer.PrinterIndex := Printer.PrinterIndex;
  Printer.GetPrinter(Device, Driver, Port, hDMode);
  if hDMode <> 0 then begin
    pDMode := GlobalLock(hDMode);
    if pDMode <> nil then begin

     {Set to legal}
      pDMode^.dmFields := pDMode^.dmFields or dm_PaperSize;
      pDMode^.dmPaperSize := DMPAPER_LEGAL;

     {Set to custom size}
      pDMode^.dmFields := pDMode^.dmFields or 
                          DM_PAPERSIZE or
                          DM_PAPERWIDTH or
                          DM_PAPERLENGTH;
      pDMode^.dmPaperSize := DMPAPER_USER;
      pDMode^.dmPaperWidth := 100 {SomeValueInTenthsOfAMillimeter};
      pDMode^.dmPaperLength := 100 {SomeValueInTenthsOfAMillimeter};

     {Set the bin to use}
      pDMode^.dmFields := pDMode^.dmFields or DMBIN_MANUAL;
      pDMode^.dmDefaultSource := DMBIN_MANUAL;

      GlobalUnlock(hDMode);
    end;
  end;
  Printer.PrinterIndex := Printer.PrinterIndex;
  Printer.BeginDoc;
  Printer.Canvas.TextOut(100,100, 'Test 1');
  Printer.EndDoc;
end;

4/2/99 11:21:00 AM