...die von einem Drucker unterst├╝tzten Papierformate ermitteln?

Autor: P. Below
Homepage: http://www.teamb.com

Kategorie: Drucken

uses
  
Printers, WinSpool;

procedure GetPapernames(sl: TStrings);
type
  
TPaperName      = array [0..63] of Char;
  TPaperNameArray = array [1..High(Word) div SizeOf(TPaperName)] of TPaperName;
  PPapernameArray = ^TPaperNameArray;
var
  
Device, Driver, Port: array [0..255] of Char;
  hDevMode: THandle;
  i, numPaperformats: Integer;
  pPaperFormats: PPapernameArray;
begin
  
Printer.PrinterIndex := -1; // Standard printer
  
Printer.GetPrinter(Device, Driver, Port, hDevmode);
  numPaperformats := WinSpool.DeviceCapabilities(Device, Port, DC_PAPERNAMES, nilnil);
  if numPaperformats  0 then 
  begin
    
GetMem(pPaperformats, numPaperformats * SizeOf(TPapername));
    try
      
WinSpool.DeviceCapabilities(Device, Port, DC_PAPERNAMES,
        PChar(pPaperFormats), nil);
      sl.Clear;
      for i := 1 to numPaperformats do sl.Add(pPaperformats^[i]);
    finally
      
FreeMem(pPaperformats);
    end;
  end;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  
GetPapernames(memo1.Lines);
end;

 

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