自定义纸张

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;
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var
device:array[0..cchdevicename-1] of char;
driver:array[0..(max_path-1)] of char;
port:array[0..32] of char;
hdmode:thandle;
pdmodedevmode;
begin
printer.getprinter(device,driver,port,hdmode);
if hdmode<>0 then
begin
pdmode:=globallock(hdmode);
if pdmode<>nil then
begin
pdmode^.dmpapersize:=dmpaper_a5;
pdmode^.dmfields:=pdmode^.dmfields or dm_papersize;
globalunlock(hdmode);
end;
end;
end;