C#.NET自定义报表数据打印
该报表主要包含两个方面的内容：一个是数据统计分析的饼状图（数据集是用DataTable保存的，，图形统计值分析DataTable的前两列）；另一个就是DataTable的数据集了，可以自己定义绘制的格式（当然得自己写代码了）。
效果预览图如下所示：
该类的源代码如下：
代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
//
using System.Drawing;
using System.Drawing.Printing;
using System.Data;
using System.Windows.Forms;
//using Microsoft.Office.Interop.Excel;
using System.Reflection;
namespace WinFormTest
{
/// <summary>
/// 数据报表统计
/// ryan-2010/9/19
/// </summary>
public class DataReprot
{
#region//property
//image size
int _Width = 600;
int _Height = 420;
//pager
private int _TopMargin = 50;
private int _LeftMargin = 60;
private int _RightMargin = 50;
private int _BottomMargin = 60;
private Font _TitleFont = new Font("宋体", 18, FontStyle.Bold);
private Font _ColumnsHeaderFont = new Font("宋体", 10, FontStyle.Bold);
private Font _ContentFont = new Font("宋体", 9, FontStyle.Regular);
SolidBrush brush=new SolidBrush(Color.Black);
Pen pen = new Pen(new SolidBrush(Color.Black));
int _RowHeight = 30;
int _CurrentPageIndex;
int _PageCount;
int _RowsCount;
int _CurrentRowsIndex;
int _MaxRowsCount = 35;
Point _CurrentPoint;
DataTable _DT;
string _Title;
string _ImgTitle;
string[] _ColumnsHeader;
string[] _BottomStr;
#endregion
#region //DataReprot()
public DataReprot(string title, string imgTitle, DataTable dataTable, string[] columnsHeader, string[] bottomStr)
{
_Title = title;
_DT = Sort(dataTable);
_ImgTitle = imgTitle;
_ColumnsHeader = columnsHeader;
_RowsCount = dataTable.Rows.Count;
_BottomStr = bottomStr;
_CurrentPageIndex = 0;
_CurrentRowsIndex = 0;
//pagecount
if ((dataTable.Rows.Count + 20) % _MaxRowsCount == 0)
_PageCount = (dataTable.Rows.Count + 20) / _MaxRowsCount;
else
_PageCount = ((dataTable.Rows.Count + 20) / _MaxRowsCount) + 1;
}
#endregion
#region //保存为excl
public void SaveAsExcl(string fileFullPath)
{
Microsoft.Office.Interop.Excel.ApplicationClass excel = new Microsoft.Office.Interop.Excel.ApplicationClass();
Microsoft.Office.Interop.Excel.Workbook wBook = excel.Workbooks.Add(true);
Microsoft.Office.Interop.Excel.Worksheet wSheet = (Microsoft.Office.Interop.Excel.Worksheet)wBook.ActiveSheet;
excel.DisplayAlerts = false;
excel.AlertBeforeOverwriting = false;
//
excel.ActiveWorkbook.sav
excel.Cells[1, 1] = "网上搜索C#实现excel操作的示例太多了，但不知道有多少是经过验证确实 ";
//
excel.ActiveWorkbook.SaveCopyAs(fileFullPath);
excel.Quit();
}
#endregion
#region //对dt排序
public DataTable Sort(DataTable dataTable)
{
string orderName = dataTable.Columns[1].ColumnName;
DataView dv = dataTable.DefaultView;
dv.Sort = orderName + " DESC";
dataTable = dv.ToTable();
return dataTable;
}
#endregion
#region //打印报表
public PrintPreviewDialog PrintReport()
{
//
PrintDocument printDoc=new PrintDocument();
printDoc.PrintPage+=PrintPage;
printDoc.BeginPrint += BeginPrint;
PrintPreviewDialog pPreviewDialog = new PrintPreviewDialog();
pPreviewDialog.Document = printDoc;
pPreviewDialog.ShowIcon = false;
pPreviewDialog.PrintPreviewControl.Zoom = 1.0;
pPreviewDialog.TopLevel = false;
SetPrintPreviewDialog(pPreviewDialog);
return pPreviewDialog;
}
#endregion
#region//Bitmap GetPieImage()
#region//绘制饼状图
/// <summary>
/// 绘制饼状图
/// </summary>
/// <returns></returns>
public Bitmap GetPieImage(string title, DataTable dataTable)
{
Bitmap image = GenerateImage(title);
dataTable = DataFormat(dataTable);
//主区域图形
Rectangle RMain = new Rectangle(35, 70, 380, 300);
//图例信息
Rectangle RDes = new Rectangle(445, 90, 10, 10);
Font f = new Font("宋体", 10, FontStyle.Regular);
Graphics g = Graphics.FromImage(image);
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
try
{
//分析数据，绘制饼图和图例说明
double[] ItemRate = GetItemRate(dataTable);
int[] ItemAngle = GetItemAngle(ItemRate);
int Angle1 = 0;
int Angle2 = 0;
int len = ItemRate.Length;
Color c = new Color();
//3D
g.DrawPie(new Pen(Color.Black), RMain, 0F, 360F);
g.DrawPie(new Pen(Color.Black), new Rectangle(RMain.X, RMain.Y + 10, RMain.Width, RMain.Height), 0F, 360F);
g.FillPie(new SolidBrush(Color.Black), new Rectangle(RMain.X, RMain.Y + 10, RMain.Width, RMain.Height), 0F, 360F);
//绘制
for (int i = 0; i < len; i++)
{
Angle2 = ItemAngle[i];
//if (c != GetRandomColor(i))
c = GetRandomColor(i);
SolidBrush brush = new SolidBrush(c);
string DesStr = dataTable.Rows[i][0].ToString() + "(" + (ItemRate[i] * 100).ToString(".00") + "%" + ")";
//
DrawPie(image, RMain, c, Angle1, Angle2);
Angle1 += Angle2;
DrawDes(image, RDes, c, DesStr, f, i);
}
return image;
}
finally
{
g.Dispose();
}
}
#endregion
#region //绘制图像的基本数据计算方法
/// <summary>
/// 数据格式化
/// </summary>
private DataTable DataFormat(DataTable dataTable)
{
if (dataTable == null)
return dataTable;
//把大于等于10的行合并，
if (dataTable.Rows.Count <= 10)
return dataTable;
//new Table
DataTable dataTableNew = dataTable.Copy();
dataTableNew.Rows.Clear();
for (int i = 0; i < 8; i++)
{
DataRow dataRow = dataTableNew.NewRow();
dataRow[0] = dataTable.Rows[i][0];
dataRow[1] = dataTable.Rows[i][1];
dataTableNew.Rows.Add(dataRow);
}
DataRow dr = dataTableNew.NewRow();
dr[0] = "其它";
double allValue = 0;
for (int i = 9; i < dataTable.Rows.Count; i++)
{
allValue += Convert.ToDouble(dataTable.Rows[i][1]);
}
dr[1] = allValue;
dataTableNew.Rows.Add(dr);
return dataTableNew;
}
/// <summary>
/// 计算数值总和
/// </summary>
private static double Sum(DataTable dataTable)
{
double t = 0;
foreach (DataRow dr in dataTable.Rows)
{
t += Convert.ToDouble(dr[1]);
}
return t;
}
/// <summary>
/// 计算各项比例
/// </summary>
private static double[] GetItemRate(DataTable dataTable)
{
double sum = Sum(dataTable);
double[] ItemRate = new double[dataTable.Rows.Count];
for (int i = 0; i < dataTable.Rows.Count; i++)
{
ItemRate[i] = Convert.ToDouble(dataTable.Rows[i][1]) / sum;
}
return ItemRate;
}
/// <summary>
/// 根据比例，计算各项角度值
/// </summary>
private static int[] GetItemAngle(double[] ItemRate)
{
int[] ItemAngel = new int[ItemRate.Length];
for (int i = 0; i < ItemRate.Length; i++)
{
double t = 360 * ItemRate[i];
ItemAngel[i] = Convert.ToInt32(t);
}
return ItemAngel;
}
#endregion
#region // 随即扇形区域颜色，绘制区域框，
/// <summary>
/// 生成随机颜色
/// </summary>
/// <returns></returns>
private static Color GetRandomColor(int seed)
{
Random random = new Random(seed);
int r = 0;
int g = 0;
int b = 0;
r = random.Next(0, 230);
g = random.Next(0, 230);
b = random.Next(0, 235);
Color randomcolor = Color.FromArgb(r, g, b);
return randomcolor;
}
/// <summary>
/// 绘制区域框、阴影
/// </summary>
private static Bitmap DrawRectangle(Bitmap image, Rectangle rect)
{
Bitmap Image = image;
Graphics g = Graphics.FromImage(Image);
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
try
{
Rectangle rn = new Rectangle(rect.X + 3, rect.Y + 3, rect.Width, rect.Height);
SolidBrush brush1 = new SolidBrush(Color.FromArgb(233, 234, 249));
SolidBrush brush2 = new SolidBrush(Color.FromArgb(221, 213, 215));
//
g.FillRectangle(brush2, rn);
g.FillRectangle(brush1, rect);
return Image;
}
finally
{
g.Dispose();
}
}
#endregion
#region //绘制图例框、图列信息，绘制扇形
/// <summary>
/// 绘制图例信息
/// </summary>
private static Bitmap DrawDes(Bitmap image, Rectangle rect, Color c, string DesStr, Font f, int i)
{
Bitmap Image = image;
Graphics g = Graphics.FromImage(Image);
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SingleBitPerPixelGridFit;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.Default;
try
{
SolidBrush brush = new SolidBrush(c);
Rectangle R = new Rectangle(rect.X, rect.Y + 25 * i, rect.Width, rect.Height);
Point p = new Point(rect.X + 12, rect.Y + 25 * i);
//❀颜色矩形框
g.FillRectangle(brush, R);
//文字说明
g.DrawString(DesStr, f, new SolidBrush(Color.Black), p);
return Image;
}
finally
{
g.Dispose();
}
}
//绘制扇形
private static Bitmap DrawPie(Bitmap image, Rectangle rect, Color c, int Angle1, int Angle2)
{
Bitmap Image = image;
Graphics g = Graphics.FromImage(Image);
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
try
{
SolidBrush brush = new SolidBrush(c);
Rectangle R = new Rectangle(rect.X, rect.Y, rect.Width, rect.Height);
g.FillPie(brush, R, Angle1, Angle2);
return Image;
}
finally
{
g.Dispose();
}
}
#endregion
#region//绘制基本图形
/// <summary>
/// 生成图片，统一设置图片大小、背景色,图片布局，及标题
/// </summary>
/// <returns>图片</returns>
private Bitmap GenerateImage(string Title)
{
Bitmap image = new Bitmap(_Width, _Height);
Graphics g = Graphics.FromImage(image);
//标题
Point PTitle = new Point(30, 20);
Font f1 = new Font("黑体", 12, FontStyle.Bold);
//线
int len = (int)g.MeasureString(Title, f1).Width;
Point PLine1 = new Point(20, 40);
Point PLine2 = new Point(20+len+20, 40);
Pen pen = new Pen(new SolidBrush(Color.FromArgb(8, 34, 231)), 1.5f);
//主区域,主区域图形
Rectangle RMain1 = new Rectangle(20, 55, 410, 345);
Rectangle RMain2 = new Rectangle(25, 60, 400, 335);
//图例区域
Rectangle RDes1 = new Rectangle(440, 55, 150, 345);
//图例说明
string Des = "图例说明：";
Font f2 = new Font("黑体", 10, FontStyle.Bold);
Point PDes = new Point(442, 65);
//图例信息，后面的x坐标上累加20
Rectangle RDes2 = new Rectangle(445, 90, 10, 10);
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
try
{
//设置背景色、绘制边框
g.Clear(Color.White);
g.DrawRectangle(pen, 1, 1, _Width-2 , _Height-2);
//绘制标题、线
g.DrawString(Title, f1, new SolidBrush(Color.Black), PTitle);
g.DrawLine(pen, PLine1, PLine2);
//主区域
image = DrawRectangle(image, RMain1);
//图例区域
image = DrawRectangle(image, RDes1);
//“图例说明”
g.DrawString(Des, f2, new SolidBrush(Color.Black), PDes);
//return
return image;
}
finally
{
g.Dispose();
}
}
#endregion
#endregion
#region//绘制图形、报表
#region//print Event
private void PrintPage(object sender, PrintPageEventArgs e)
{
_CurrentPageIndex++;
_CurrentPoint = new Point(_LeftMargin, _RightMargin);
int serialNumWidth = 60;
int colWidth = (e.PageBounds.Width - _LeftMargin - _RightMargin - serialNumWidth) / _DT.Columns.Count;
//第一页绘制标题，图形
if (_CurrentPageIndex == 1)
{
DrawTitle(e);
DrawImage(e);
DrawTableHeader(e, serialNumWidth, colWidth);
DrawBottom(e);
DrawTableAndSerialNumAndData(e, serialNumWidth, colWidth);
if (_PageCount > 1)
e.HasMorePages = true;
}
else if (_CurrentPageIndex == _PageCount)
{
DrawTableHeader(e, serialNumWidth, colWidth);
DrawTableAndSerialNumAndData(e, serialNumWidth, colWidth);
DrawBottom(e);
e.HasMorePages = false;
e.Cancel = true;
}
else
{
DrawTableHeader(e, serialNumWidth, colWidth);
DrawTableAndSerialNumAndData(e, serialNumWidth, colWidth);
DrawBottom(e);
e.HasMorePages = true;
}
}
private void BeginPrint(object sender,PrintEventArgs e)
{
_CurrentPageIndex = 0;
_CurrentRowsIndex = 0;
e.Cancel = false;
}
#endregion
#region//绘制标题
private void DrawTitle(PrintPageEventArgs e)
{
//标题 居中
_CurrentPoint.X = (e.PageBounds.Width) / 2 - (int)(e.Graphics.MeasureString(_Title, _TitleFont).Width) / 2;
e.Graphics.DrawString(_Title, _TitleFont, new SolidBrush(Color.Black), _CurrentPoint);
_CurrentPoint.Y += (int)(e.Graphics.MeasureString(_Title, _TitleFont).Height);
//标题下的线
int len = (int)(e.Graphics.MeasureString(_Title, _TitleFont).Width) + 100;
int start = (e.PageBounds.Width) / 2 - len / 2;
e.Graphics.DrawLine(new Pen(new SolidBrush(Color.Black)), new Point(start, _CurrentPoint.Y), new Point(start + len, _CurrentPoint.Y));
_CurrentPoint.Y += 3;
e.Graphics.DrawLine(new Pen(new SolidBrush(Color.Black)), new Point(start, _CurrentPoint.Y), new Point(start + len, _CurrentPoint.Y));
_CurrentPoint.Y += 50;
_CurrentPoint.X = _LeftMargin;
}
#endregion
#region//绘制统计图
private void DrawImage(PrintPageEventArgs e)
{
//标题 居中
_CurrentPoint.X = (e.PageBounds.Width) / 2 - _Width / 2;
e.Graphics.DrawImage(GetPieImage(_ImgTitle, _DT), _CurrentPoint);
_CurrentPoint.X = _LeftMargin;
_CurrentPoint.Y += _Height+50;
}
#endregion
#region//绘制页尾
private void DrawBottom(PrintPageEventArgs e)
{
int pageNumWidth = 70;
int count = _BottomStr.Length;
int width = (e.PageBounds.Width - _LeftMargin - _RightMargin - pageNumWidth) / (count + 1);
int y = e.PageBounds.Height - _BottomMargin + 5;
int x=_LeftMargin;
//line
e.Graphics.DrawLine(new Pen(new SolidBrush(Color.Black)), x, y, e.PageBounds.Width - _RightMargin, y);
y += 5;
for (int i = 0; i < count; i++)
{
if(i>0)
x += width;
e.Graphics.DrawString(_BottomStr[i], _ContentFont, new SolidBrush(Color.Black), x, y);
}
x = e.PageBounds.Width - _RightMargin - pageNumWidth;
e.Graphics.DrawString(string.Format("第{0}页/共{1}页",_CurrentPageIndex,_PageCount), _ContentFont, new SolidBrush(Color.Black), x, y);
}
#endregion
#region//绘制表格和序号、数据
private void DrawTableAndSerialNumAndData(PrintPageEventArgs e, int serialNumWidth, int colWidth)
{
int useAbleHeight = e.PageBounds.Height - _CurrentPoint.Y - _BottomMargin;
int useAbleRowsCount = useAbleHeight / _RowHeight;
int rowsCount=0;
if (_RowsCount-_CurrentRowsIndex > useAbleRowsCount)
rowsCount = useAbleRowsCount;
else
rowsCount = _RowsCount - _CurrentRowsIndex;
Point pp = new Point(_CurrentPoint.X, _CurrentPoint.Y);
for(int i=0;i<=rowsCount;i++)
{
e.Graphics.DrawLine(pen, _LeftMargin, _CurrentPoint.Y + i * _RowHeight,e.PageBounds.Width-_RightMargin, _CurrentPoint.Y + i * _RowHeight);
//绘制数据
if (i >= rowsCount)
break;
DrawCellString((i + 1 + _CurrentRowsIndex).ToString(), pp, serialNumWidth,_ContentFont, e);
pp.X += serialNumWidth;
for (int j = 0; j < _DT.Columns.Count; j++)
{
DrawCellString(_DT.Rows[i + _CurrentRowsIndex][j].ToString(), pp, colWidth, _ContentFont, e);
pp.X += colWidth;
}
pp.Y += _RowHeight;
pp.X = _CurrentPoint.X;
}
//绘制竖线
Point p = new Point(_CurrentPoint.X,_CurrentPoint.Y);
e.Graphics.DrawLine(pen, p, new Point(p.X, p.Y + _RowHeight * rowsCount));
p.X += serialNumWidth;
e.Graphics.DrawLine(pen, p, new Point(p.X, p.Y + _RowHeight * rowsCount));
for (int i = 1; i < _DT.Columns.Count; i++)
{
p.X += colWidth;
e.Graphics.DrawLine(pen, p, new Point(p.X, p.Y + _RowHeight * rowsCount));
}
p.X=e.PageBounds.Width-_RightMargin;
e.Graphics.DrawLine(pen, p, new Point(p.X, p.Y + _RowHeight * rowsCount));
_CurrentRowsIndex += rowsCount;
}
#endregion
#region //填充数据到单元格
private void DrawCellString(string str, Point p,int colWidth,Font f, PrintPageEventArgs e)
{
int strWidth = (int)e.Graphics.MeasureString(str, f).Width;
int strHeight = (int)e.Graphics.MeasureString(str, f).Height;
p.X += (colWidth - strWidth) / 2;
p.Y += 5;
p.Y += (_RowHeight - strHeight) / 2;
e.Graphics.DrawString(str, f, brush, p);
}
#endregion
#region//绘制标题
private void DrawTableHeader(PrintPageEventArgs e, int serialNumWidth,int colWidth)
{
//画框
Point pp = new Point(_CurrentPoint.X, _CurrentPoint.Y);
e.Graphics.DrawLine(pen, pp, new Point(e.PageBounds.Width - _RightMargin, pp.Y));
pp.Y+=_RowHeight;
e.Graphics.DrawLine(pen,pp,new Point(e.PageBounds.Width-_RightMargin,pp.Y));
pp = new Point(_CurrentPoint.X, _CurrentPoint.Y);
e.Graphics.DrawLine(pen, pp, new Point(pp.X, pp.Y + _RowHeight));
pp.X += serialNumWidth;
e.Graphics.DrawLine(pen,pp, new Point(pp.X, pp.Y + _RowHeight));
for (int i = 1; i < _DT.Columns.Count; i++)
{
pp.X += colWidth;
e.Graphics.DrawLine(pen, pp, new Point(pp.X, pp.Y + _RowHeight));
}
pp.X = e.PageBounds.Width - _RightMargin;
e.Graphics.DrawLine(pen, pp, new Point(pp.X, pp.Y + _RowHeight));
//
Point p = new Point(_CurrentPoint.X + 5, _CurrentPoint.Y);
DrawCellString("序号", p, serialNumWidth,_ColumnsHeaderFont, e);
p.X += serialNumWidth;
for (int i = 0; i < _DT.Columns.Count; i++)
{
if(i!=0)
p.X += colWidth;
DrawCellString(_ColumnsHeader[i], p, colWidth, _ColumnsHeaderFont, e);
}
_CurrentPoint.X = _LeftMargin;
_CurrentPoint.Y += _RowHeight;
}
#endregion
#region // 自定义设置打印预览对话框
public void SetPrintPreviewDialog(PrintPreviewDialog pPreviewDialog)
{
System.Reflection.PropertyInfo[] pis = pPreviewDialog.GetType().GetProperties();
for (int i = 0; i < pis.Length; i++)
{
switch(pis[i].Name)
{
case"Dock":
pis[i].SetValue(pPreviewDialog, DockStyle.Fill, null);
break;
case "FormBorderStyle":
pis[i].SetValue(pPreviewDialog, FormBorderStyle.None, null);
break;
case "WindowState":
pis[i].SetValue(pPreviewDialog, FormWindowState.Normal, null);
break;
default:break;
}
}
#region //屏蔽默认的打印按钮，添加自定义的打印和保存按钮
foreach (Control c in pPreviewDialog.Controls)
{
if (c is ToolStrip)
{
ToolStrip ts = (ToolStrip)c;
ts.Items[0].Visible = false;
//print
ToolStripButton toolStripBtn_Print = new ToolStripButton();
toolStripBtn_Print.Text = "打印";
toolStripBtn_Print.ToolTipText = "打印当前报表数据";
toolStripBtn_Print.Image = Properties.Resources.printer;
toolStripBtn_Print.Click +=
delegate(object sender, EventArgs e)
{
PrintDialog pd = new PrintDialog();
pd.Document = pPreviewDialog.Document;
pd.UseEXDialog = true;
if (pd.ShowDialog() == DialogResult.OK)
pPreviewDialog.Document.Print();
};
ToolStripButton toolStripBtn_SaveAsExcel = new ToolStripButton();
toolStripBtn_SaveAsExcel.Text = "保存Excel";
toolStripBtn_SaveAsExcel.ToolTipText = "导出报表到Excel";
toolStripBtn_SaveAsExcel.Image = Properties.Resources.save;
toolStripBtn_SaveAsExcel.Click +=
delegate(object sender, EventArgs e)
{
SaveFileDialog f = new SaveFileDialog();
if (f.ShowDialog() == DialogResult.OK)
{
SaveAsExcl(f.FileName);
}
};
ToolStripSeparator tss = new ToolStripSeparator();
ts.Items.Insert(0, toolStripBtn_Print);
ts.Items.Insert(1, toolStripBtn_SaveAsExcel);
ts.Items.Insert(2, tss);
}
}
#endregion
}
#endregion
#endregion
}
}
使用法如下代码：
使用法如下代码：
代码
private
void
button2_Click(
object
sender, EventArgs e) {
//
测试数据
DataTable dataTable
=
new
DataTable(); dataTable.Columns.Add(
"
id
"
,
typeof
(
string
)); dataTable.Columns.Add(
"
value1
"
,
typeof
(
double
)); dataTable.Columns.Add(
"
value2
"
,
typeof
(
double
));
for
(
int
i
=
0
; i
<
45
; i
++
) { dataTable.Rows.Add(
new
object
[] {
"
北京市-
"
+
i.ToString(),
100
*
i,
234.345
*
i}); }
string
[] bottomStr
=
{
"
操作人员：Ryan
"
,
"
打印日期：
"
+
DateTime.Now.ToShortDateString(),
"
审核人员：
"
,
"
财务人员：
"
};
string
[] header
=
{
"
城市名称
"
,
"
预定数量
"
,
"
平均价格
"
}; DataReprot dr
=
new
DataReprot(
"
2010年12月12日-2011年12月12日城市预订分布统计报表
"
,
"
2010年12月12日-2011年12月12日城市预订分布统计图
"
, dataTable, header, bottomStr); PrintPreviewDialog p
=
dr.PrintReport();
this
.groupBox2.Controls.Add(p); p.Show(); groupBox2.Width
+=
1
;
this
.Refresh(); }