WinForms - Při tisku dvou datagridviews, náhled tisku je dobrá, ale jen na papíře 2. dgv je tisknout

0

Otázka

Dělám software, aby mi pomohl v práci. Přečte dvě aplikace excel (xlsx) soubory a získat nějaké informace od nich. Pak to dát info, v jednom ze dvou datagridviews nebo v obou datagridviews.

Pak mám číslo, které ti musím ukázat, když jsem vytisknout datagridviews. V náhledu je vše přesně tak, jak chci, ale při tisku na papír se odstraňuje (nebo si nepamatuje) vše o první datagridview a něco vytisknout a začít od 2. datagridview.

Tady, jak se to ukazuje v náhledu:

Print preview

ale když jsem vytisknout na papír se mi to

Printed on paper

Proč první datagridview pryč na papíře, ale když jsem vytisknout to PDF z Microsoft tisk do PDF jsem si PDF to má přesně jako na náhledu.

Problém pouze při tisku na papír.

Zde je můj kód tisk https://pastebin.com/6ZF2FevZ

using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Printing;
using System.Drawing.Text;
using System.Linq;
using System.Windows.Forms;

namespace Motabaka
{
  class DGVsPrinter
  {
      private Font fontD;
      private Brush brushD = Brushes.Black;
      private bool dgv1Finished;
      private string a3800, a1800;

      public string Title { get; set; }
      public bool IncludeDateAndTimeInFooter { get; set; }
      public bool IncludePageNumberInFooter { get; set; }
      public bool IncludeEndingPhraseAtTheEnd { get; set; }
      public string EndingPhrase { get; set; } = "End";

      private DataGridView dataGridView1, dataGridView2;
      private int rowIndex;
      private int cellCount;
      private int pageNumber = 1;
      private readonly PrintDocument printDoc;
      private int iTotalWidth1;
      private int iTotalWidth2;
      private Dictionary<int, int> ColumntWidths;
      private Dictionary<int, int> arrColumnWidths1 = new Dictionary<int, int>();
      private Dictionary<int, int> arrColumnWidths2 = new Dictionary<int, int>();
      private bool preview;

      public DGVsPrinter(DataGridView dataGridView1, DataGridView dataGridView2, PrintDocument printDoc, string A3800, string A1800)
      {
          this.dataGridView1 = dataGridView1;
          this.dataGridView2 = dataGridView2;
          this.printDoc = printDoc;
          fontD = new Font(dataGridView1.Font, FontStyle.Bold);

          printDoc.BeginPrint += OnBeginPrint;
          printDoc.PrintPage += OnPrintPage;
          a3800 = A3800;
          a1800 = A1800;
      }

      public void Print(bool preview = false)
      {
          this.preview = preview;

          rowIndex = 0;
          cellCount = 0;
          pageNumber = 0;

          var dgvs = new DataGridView[] { dataGridView1, dataGridView2 };
          foreach (DataGridView dgv in dgvs)
          {
              var rows = dgv.Rows
              .Cast<DataGridViewRow>()
              .FirstOrDefault(r => !r.IsNewRow && r.Visible);

              if (rows != null)
                  cellCount = rows.Cells
                      .Cast<DataGridViewCell>()
                      .Where(c => c.Visible)
                      .Count();

              if (cellCount == 0)
              {
                  //MessageBox.Show(new Form() { FormBorderStyle = FormBorderStyle.None }, "Nothing to print...");
                  continue;
              }
          }

          if (cellCount == 0)
          {
              MessageBox.Show(new Form() { FormBorderStyle = FormBorderStyle.None }, "Nothing to print...");
              return;
          }

          if (preview)
          {
              try
              {
                  using (var pd = new PrintPreviewDialog())
                  {
                      pd.Document = printDoc;
                      pd.ShowDialog();
                  }
              }
              catch (Exception ex)
              {
                  Error.Log(ex);
              }
          }
          else
          {
              try
              {
                  using (var pd = new PrintDialog())
                  {
                      pd.Document = printDoc;
                      if (pd.ShowDialog() == DialogResult.OK)
                      {
                          pd.Document.Print();
                      }
                  }
              }
              catch (Exception ex)
              {
                  Error.Log(ex);
              }
          }
      }

      private void OnBeginPrint(object sender, PrintEventArgs e)
      {
          try
          {
              rowIndex = 0; pageNumber = 1;
              iTotalWidth1 = 0;
              iTotalWidth2 = 0;
              arrColumnWidths1.Clear();
              arrColumnWidths2.Clear();

              foreach (DataGridViewColumn dgvGridCol in dataGridView1.Columns)
              {
                  if (!dgvGridCol.Visible) { continue; }

                  iTotalWidth1 += dgvGridCol.Width;
              }

              foreach (DataGridViewColumn dgvGridCol in dataGridView2.Columns)
              {
                  if (!dgvGridCol.Visible) { continue; }

                  iTotalWidth2 += dgvGridCol.Width;
              }
          }
          catch (Exception ex)
          {
              Error.Log(ex, "Error while printing [OnBeginPrint]");
          }
      }

      private void OnPrintPage(object sender, PrintPageEventArgs e)
      {
          try
          {
              e.Graphics.Clear(Color.White);

              var w = e.MarginBounds.Width / cellCount;
              var x = e.MarginBounds.X;
              var y = e.MarginBounds.Y;
              int h;
              Rectangle rec;

              while (true)
              {
                  var dgv = !dgv1Finished ? dataGridView1 : dataGridView2;
                  ColumntWidths = (dgv == dataGridView1) ? arrColumnWidths1 : arrColumnWidths2;
                  var totalWidths = (dgv == dataGridView1) ? iTotalWidth1 : iTotalWidth2;

                  var iTmpWidth = 0;
                  if (pageNumber == 1)
                  {
                      for (int i = dgv.Columns.Count - 1; i >= 0; i--)
                      {
                          DataGridViewColumn GridCol = dgv.Columns[i];

                          if (!GridCol.Visible) continue;

                          iTmpWidth = (int)(Math.Floor(GridCol.Width /
                                         (double)totalWidths * totalWidths *
                                         (e.MarginBounds.Width / (double)totalWidths)));

                          if (!ColumntWidths.Keys.Contains(GridCol.Index))
                          {
                              ColumntWidths.Add(GridCol.Index, iTmpWidth);
                          }
                      }
                  }

                  using (var sf = new StringFormat())
                  {
                      sf.Alignment = StringAlignment.Center;
                      sf.LineAlignment = StringAlignment.Center;
                      
                      sf.FormatFlags = StringFormatFlags.DirectionRightToLeft;
                      sf.Trimming = StringTrimming.None;

                      e.Graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;

                      // Uncomment to print the headers in the first page only.
                      //if (pageNumber == 1)
                      //{
                      h = dgv.RowTemplate.Height + 20;

                      #region Title
                      var TextToDraw = dgv.Tag?.ToString();
                      var xCenter = e.MarginBounds.Left + e.MarginBounds.Width / 2;

                      e.Graphics.DrawString(TextToDraw, fontD, brushD, xCenter, y - 20, sf);
                      #endregion

                      using (var strf = new StringFormat())
                      {
                          strf.Alignment = StringAlignment.Far;
                          strf.LineAlignment = StringAlignment.Near;

                          #region Amount
                          var amount = (dgv == dataGridView1) ? a1800 : a3800;
                          var XC = e.MarginBounds.Right;
                          var font = new Font(dgv.Font.FontFamily, 12f, FontStyle.Regular);

                          e.Graphics.DrawString(amount, font, brushD, XC, y - 20, strf);
                          #endregion
                      }

                      for (int i = dgv.Columns.Count - 1; i >= 0; i--)
                      {
                          var col = dgv.Columns[i];

                          if (col.Visible)
                          {
                              w = ColumntWidths[col.Index];
                              rec = new Rectangle(x, y, w, h);

                              e.Graphics.FillRectangle(Brushes.AliceBlue, rec);
                              e.Graphics.DrawString(
                                  col.HeaderText,
                                  col.DataGridView.Font,
                                  Brushes.Black,
                                  rec,
                                  sf);
                              //Pen pen = new Pen(Color.Black, 1.3f);
                              //pen.Alignment = PenAlignment.Inset;
                              //e.Graphics.DrawRectangle(pen, rec);
                              Color[] colors;
                              if (false)
                              {
                                  colors = new Color[]
                                  {
              SystemColors.ControlDark,
              SystemColors.ControlDarkDark,
              SystemColors.ControlLightLight,
              SystemColors.ControlLight
                                  };
                              }
                              else
                              {
                                  colors = new Color[]
                                  {
              SystemColors.ControlLightLight,
              SystemColors.ControlLight,
              SystemColors.ControlDark,
              SystemColors.ControlDarkDark
                                  };
                              }
                              using (Pen p = new Pen(colors[0]))
                              {
                                  e.Graphics.DrawLine(p, rec.X, rec.Bottom - 1,
                                      rec.X, rec.Y);
                                  e.Graphics.DrawLine(p, rec.X, rec.Y,
                                      rec.Right - 1, rec.Y);
                              }
                              using (Pen p = new Pen(colors[1]))
                              {
                                  e.Graphics.DrawLine(p, rec.X + 1, rec.Bottom - 2,
                                      rec.X + 1, rec.Y + 1);
                                  e.Graphics.DrawLine(p, rec.X + 1, rec.Y + 1,
                                      rec.Right - 2, rec.Y + 1);
                              }
                              using (Pen p = new Pen(colors[2]))
                              {
                                  e.Graphics.DrawLine(p, rec.X, rec.Bottom - 1,
                                      rec.Right - 1, rec.Bottom - 1);
                                  e.Graphics.DrawLine(p, rec.Right - 1, rec.Bottom - 1,
                                      rec.Right - 1, rec.Y);
                              }
                              using (Pen p = new Pen(colors[3]))
                              {
                                  e.Graphics.DrawLine(p, rec.X + 1, rec.Bottom - 2,
                                      rec.Right - 2, rec.Bottom - 2);
                                  e.Graphics.DrawLine(p, rec.Right - 2, rec.Bottom - 2,
                                      rec.Right - 2, rec.Y + 1);
                              }

                              x += w;
                          }
                      }

                      x = e.MarginBounds.X;
                      y += h;
                      //}

                      /*Drawing the rows with their content*/
                      for (var i = rowIndex; i < dgv.RowCount; i++)
                      {
                          var row = dgv.Rows[i];

                          if (!row.Visible) continue;

                          if (row.IsNewRow) break;

                          h = GetRowHeight(e.Graphics, row, e.MarginBounds, sf);

                          if (h > e.MarginBounds.Height)
                          {
                              MessageBox.Show("Insufficient height.");
                              e.Cancel = true;
                              return;
                          }

                          /*Drawing row's cells with their content*/
                          for (int r = row.Cells.Count - 1; r >= 0; r--)
                          {
                              var cell = row.Cells[r];
                              if (!cell.Visible) { continue; }

                              w = ColumntWidths[cell.ColumnIndex];
                              rec = new Rectangle(x, y, w, h);

                              if (rec.Bottom > e.MarginBounds.Bottom)
                              {
                                  pageNumber++;
                                  rowIndex = i;
                                  e.HasMorePages = true;
                                  return;
                              }

                              var color = (cell.InheritedStyle.BackColor == Color.Yellow) ? new SolidBrush(SystemColors.Window) : new SolidBrush(cell.InheritedStyle.BackColor);
                              e.Graphics.FillRectangle(color, rec);
                              e.Graphics.DrawString(
                                  cell.FormattedValue.ToString(),
                                  dgv.Font,
                                  Brushes.Black,
                                  rec,
                                  sf);
                              e.Graphics.DrawRectangle(Pens.Black, rec);

                              x += rec.Width;
                          }/*Done drawing the cells in a row*/

                          x = e.MarginBounds.X;
                          y += h;
                      }/*Done drawing all the rows*/

                      #region Date and time
                      if (IncludeDateAndTimeInFooter)
                      {
                          var strDate = DateTime.Now.ToLongDateString() + " " + DateTime.Now.ToShortTimeString();
                          var wdate = e.Graphics.MeasureString(strDate, fontD, e.MarginBounds.Height, sf).Width;
                          var hdate = e.Graphics.MeasureString(strDate, fontD, e.MarginBounds.Height, sf).Height;
                          
                          var yBottom = e.MarginBounds.Height + e.MarginBounds.Top;

                          var recDate = new Rectangle(e.MarginBounds.X, yBottom, e.MarginBounds.Width, (int)hdate);
                          //e.Graphics.FillRectangle(Brushes.LightSkyBlue, recDate);
                          e.Graphics.DrawRectangle(Pens.Black, recDate);
                          e.Graphics.DrawString(strDate, fontD, brushD, recDate.X, yBottom);
                      }
                      #endregion
                      #region Page Number
                      if (IncludePageNumberInFooter)
                      {
                          var pNumber = "Page " + pageNumber;
                          var yBottom = e.MarginBounds.Height + e.MarginBounds.Top;
                          
                          var xRight = e.MarginBounds.Left + (e.MarginBounds.Width - e.Graphics.MeasureString(pNumber, fontD, e.MarginBounds.Width, sf).Width);

                          e.Graphics.DrawString(pNumber, fontD, brushD, xRight, yBottom);
                      }
                      #endregion

                      y = y + 70;
                      rowIndex = 0;
                      dgv1Finished = true;
                      e.HasMorePages = (dgv == dataGridView1);
                  }

                  if (!e.HasMorePages)
                  {
                      if (IncludeEndingPhraseAtTheEnd)
                      {
                          using (var strf = new StringFormat())
                          {
                              strf.LineAlignment = StringAlignment.Center;
                              strf.Alignment = StringAlignment.Center;
                              strf.FormatFlags = StringFormatFlags.DirectionRightToLeft;

                              var fontD = new Font(dgv.Font, FontStyle.Bold);
                              var brushD = Brushes.Black;
                              var xCenter = e.MarginBounds.Left + e.MarginBounds.Width / 2;
                              var yBottom = e.MarginBounds.Top
                                  + e.MarginBounds.Height
                                  + e.Graphics.MeasureString(EndingPhrase, fontD, e.MarginBounds.Height, strf).Height;

                              e.Graphics.DrawString(EndingPhrase, fontD, brushD, xCenter, y - 60, strf);
                          }
                      }

                      break;
                  }
              }
          }
          catch (Exception ex)
          {
              Error.Log(ex, " Error while printing [OnPrintPage]");
          }
      }

      private int GetRowHeight(
  Graphics g,
  DataGridViewRow row,
  Rectangle bounds,
  StringFormat sf,
  int minHeight = 22)
      {
          var cells = row.Cells.OfType<DataGridViewTextBoxCell>()
              .Where(c => c.Visible);

          if (cells == null) return minHeight;

          /*(longest, next) => next.Length > longest.Length ? next : longest*/
          var cell = cells.Aggregate((DataGridViewTextBoxCell)null, (x, y) => (x != null) && (!string.IsNullOrWhiteSpace(x.FormattedValue.ToString()) && !string.IsNullOrWhiteSpace(y.FormattedValue.ToString())) &&
          (x.FormattedValue.ToString().Length > y.FormattedValue.ToString().Length) ? x : y);


          if (cell == null) return minHeight;
          var h = g.MeasureString(cell.FormattedValue.ToString(),
              row.DataGridView.Font,
              new SizeF(ColumntWidths[cell.ColumnIndex], bounds.Height),
              sf).ToSize().Height;

          return Math.Max(h + 10, minHeight); // 6 for top and bottom margins...
      }


  }
}

Zavolám tisku, jako je tento

var print = new DGVsPrinter(dataGridView1, dataGridView2, printDocument1, Final3800L.Text, Final1800L.Text)
            {
                IncludeDateAndTimeInFooter = true,
                IncludePageNumberInFooter = true
            };
            print.Print(true);
c# datagridview print-preview printing
2021-11-23 14:40:48
1

Nejlepší odpověď

1

Našel jsem problém.

Když jsem vytisknout pomocí dialogového okna tisk tiskne dobře. Ale když jsem ukázat náhled, tento problém se stane. Protože jsem nechtěl nastavit dgv1Finished false na OnBeginPrint.

když je to ve skutečnosti vytiskne běží kód znovu a dgv1Finished je už pravda po náhled, takže to datagridview2 poprvé a nic o datagridvie1.

Jen jsem musel nastavit dgv1Finished = false v OnBeginPrint a teď to tiskne vše.

2021-11-24 14:11:48

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