TPrinterCanvas

type TPrinterCanvas = class(TCanvas)

protected

  procedure BeginDoc; virtual;

BeginDoc - method to start printing a document

  procedure NewPage; virtual;

NewPage - method to start printing a new page

  procedure EndDoc; virtual;

EndDoc - method to finish printing a document

  function GetLeftMargin;

GetLeftMargin - returns the size of teh left margin

  function GetTopMargin;

GetTopMargin - returns the size of the top margin

  function GetBottomMargin;

GetBottomMargin - returns the size of the bottom margin

  function GetRightMargin;

GetRightMargin - returns the size of the right margin

public

  constructor Create(); virtual;

Create - constructor to make a canvas for the specified printer type, APrinter

  procedure Changing; override;

Changing - method for dealing with changes in printing staus

  property Printer: TPrinter; [r]

The type of Printer for which this canvas is preparing the document

  property Title: String; [rw]

The Title of the current printer canvas

  property PageHeight: Integer; [r]

The PageHeight to be used for the current canvas

  property PageWidth: Integer; [r]

The PageWidth to be used for the current canvas

  property PaperWidth: Integer; [rw]

  property PaperHeight: Integer; [rw]

  property PageNumber: Integer; [r]

PageNumber - the number of the current page being prepared for printing

  property TopMargin: Integer; [rw]

The size of the TopMargin

  property LeftMargin: Integer; [rw]

The size of the LeftMargin

  property BottomMargin: Integer; [rw]

The size of the BottomMargin

  property RightMargin: Integer; [rw]

the size of the RightMargin

  property Orientation: TPrinterOrientation; [rw]

  property XDPI: Integer; [rw]

  property YDPI: Integer; [rw]

end;

TPrinterCanvas

TPrinterCanvas - instance of TCanvas specially designed for printers

TCanvas

TCanvas - where most of the drawing is performed

TFPCustomCanvas

TPersistent

TObject