私は現在作業中のコードを持っていますが、まだ配置の問題があります。しかし、印刷がぼやけているわけではありません。コードがあなたの助けになり、私たち二人が解決策を見つけることができることを願って、私のコードを提供しています。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Documents;
using System.Windows;
using System.Windows.Media;
using System.Diagnostics;
using System.Globalization;
using System.Windows.Controls;
using System.Data;
namespace VD
{
public class CustomPaginator : DocumentPaginator
{
private int _RowsPerPage;
private Size _PageSize;
private int _Rows;
public static DataTable dtToPrint;
public CustomPaginator()
{
}
public CustomPaginator(int rows, Size pageSize, DataTable dt)
{
_Rows = rows;
PageSize = pageSize;
dtToPrint = dt;
}
public override DocumentPage GetPage(int pageNumber)
{
int currentRow = _RowsPerPage * pageNumber;
var page = new PageElement(currentRow, Math.Min(_RowsPerPage, _Rows - currentRow))
{
Width = PageSize.Width,
Height = PageSize.Height,
};
page.Measure(PageSize);
page.Arrange(new Rect(new Point(0,0), PageSize));
return new DocumentPage(page);
}
public override bool IsPageCountValid
{ get { return true; } }
public override int PageCount
{ get { return (int)Math.Ceiling(_Rows / (double)_RowsPerPage); } }
public DataTable getDtProtols
{
get
{
return dtToPrint;
}
}
public override Size PageSize
{
get { return _PageSize; }
set
{
_PageSize = value;
_RowsPerPage = PageElement.RowsPerPage(PageSize.Height);
//Can't print anything if you can't fit a row on a page
Debug.Assert(_RowsPerPage > 0);
}
}
public override IDocumentPaginatorSource Source
{ get { return null; } }
}
public class PageElement : UserControl
{
private const int PageMargin = 75;
private const int HeaderHeight = 25;
private const int LineHeight = 20;
private const int ColumnWidth = 140;
private CustomPaginator objParent = new CustomPaginator();
private DataTable ProtocolsDT = null;
private int _CurrentRow;
private int _Rows;
public PageElement(int currentRow, int rows)
{
Margin = new Thickness(PageMargin);
_CurrentRow = currentRow;
_Rows = rows;
}
private static FormattedText MakeText(string text)
{
return new FormattedText(text, CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
new Typeface("Tahoma"), 14, Brushes.Black);
}
public static int RowsPerPage(double height)
{
return (int)Math.Floor((height - (2 * PageMargin)
- HeaderHeight) / LineHeight);
}
protected override void OnRender(DrawingContext dc)
{
ProtocolsDT = objParent.getDtProtols;
Point curPoint = new Point(0, 0);
dc.DrawText(MakeText("Host Names"),curPoint );
curPoint.X += ColumnWidth;
for (int i = 1; i < ProtocolsDT.Columns.Count; i++)
{
dc.DrawText(MakeText(ProtocolsDT.Columns[i].ToString()), curPoint);
curPoint.X += ColumnWidth;
}
curPoint.X = 0;
curPoint.Y += LineHeight;
dc.DrawRectangle(Brushes.Black, null, new Rect(curPoint, new Size(Width, 2)));
curPoint.Y += HeaderHeight - LineHeight;
Random numberGen = new Random();
//for (int i = _CurrentRow; i < _CurrentRow + _Rows; i++)
//{
// dc.DrawText(MakeText(ProtocolsDT.Rows[i][0].ToString()), curPoint);
//curPoint.X += ColumnWidth;
for (int j = 0; j < ProtocolsDT.Rows.Count; j++)
{
for (int z = 0; z < ProtocolsDT.Rows[j].ItemArray.Length; z++)
{
dc.DrawText(MakeText(ProtocolsDT.Rows[j].ItemArray[z].ToString()), curPoint);
curPoint.X += ColumnWidth;
}
curPoint.Y += LineHeight;
curPoint.X = 0;
//dc.DrawText(MakeText(ProtocolsDT.Rows[j].ItemArray[1].ToString()), curPoint);
//curPoint.X += ColumnWidth;
//dc.DrawText(MakeText(ProtocolsDT.Rows[j].ItemArray[2].ToString()), curPoint);
//curPoint.X += ColumnWidth;
//}
//curPoint.Y += LineHeight;
//curPoint.X = 0;
}
}
}
}
Another Class
private void PrintDataTable(DataTable dt)
{
var printDialog = new PrintDialog();
if (printDialog.ShowDialog() == true)
{
var paginator = new CustomPaginator(dt.Rows.Count,
new Size(printDialog.PrintableAreaWidth, printDialog.PrintableAreaHeight),dt);
try
{
printDialog.PrintDocument(paginator, "Running Protocols Report");
}
catch (Exception ex)
{
MessageBox.Show(this, "Unable to print protocol information. Please check your printer settings.", "VD", MessageBoxButton.OK, MessageBoxImage.Warning, MessageBoxResult.OK);
}
}
}
