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Printer Syntax

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ceglar:
Converting a Delphi procedure in Lazarus:

TPrinter

I always use the following syntax in Delphi, but Lazarus gives me an error (I do not recognize the parameter handle)

  VertPixPerInch: = GetDeviceCaps (Printer.Handle, LOGPIXELSX);
  HorzPixPerInch: = GetDeviceCaps (Printer.Handle, LOGPIXELSY);

  PaperLength: = GetDeviceCaps (Printer.Handle, VERTRES);
  Paperwidth: = GetDeviceCaps (Printer.Handle, HORZRES);

What's wrong?

Thanks

theo:
Lazarus has:
  Printer.XDPI
  Printer.YDPI

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