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1. 打印

1.1. 说明

先在软件目录下编译组件，然后引入prints 单元，即可使用。

1.2. 简单说明

以BeginDoc 开始……EndDoc结束，然后开始打印

procedure TForm1.Button2Click(Sender: TObject);
const
 LEFTMARGIN = 100;     //设置左边页边距
 HEADLINE = 'I Printed My Very First Text On ';   //要打印的文字
var
 YPos, LineHeight, VerticalMargin: Integer;
 SuccessString: String;
begin
 with printer do
 try
   BeginDoc;
   Canvas.Font.Name:= 'Courier New';
   Canvas.Font.Size:=10;
   Canvas.Font.Color:=clBlack;
   LineHeight:=Round(1.2 * Abs(Canvas.TextHeight('I')));   //设置行高
   VerticalMargin:=4*LineHeight;

   YPos := VerticalMargin;
   SuccessString:=HEADLINE+DateTimeToStr(Now);
   Canvas.TextOut(LEFTMARGIN, YPos, SuccessString);
 finally
   EndDoc;
 end;


end;  

打印Memo中的文字

procedure TForm1.Button3Click(Sender: TObject);
const
  LEFTMARGIN = 100;
var
lines:integer;
YPos, LineHeight, VerticalMargin: Integer;
begin
  with printer do
    begin
      try
        BeginDoc;
        canvas.font.Name:=memo1.font.Name;
        Canvas.Font.Size:=10;
        LineHeight:=Round(1.2 * Abs(Canvas.TextHeight('I')));
        VerticalMargin:=4*LineHeight;

        YPos := VerticalMargin;
        for lines:=0 to memo1.Lines.Count-1 do
          Canvas.textout(200,1000+LineHeight*Lines,memo1.Lines[lines]);
      finally
        EndDoc;
      end;
    end;
end;
]);
      finally
        EndDoc;
      end;
    end;
end;