mainform.cs

用C#實現能產生PDF格式文件的源碼

      this.pnlLeft.Name = "pnlLeft";
      this.pnlLeft.Size = new System.Drawing.Size(200, 486);
      this.pnlLeft.TabIndex = 0;
      // 
      // tvNavigation
      // 
      this.tvNavigation.BorderStyle = System.Windows.Forms.BorderStyle.None;
      this.tvNavigation.Dock = System.Windows.Forms.DockStyle.Fill;
      this.tvNavigation.ImageIndex = -1;
      this.tvNavigation.Location = new System.Drawing.Point(0, 0);
      this.tvNavigation.Name = "tvNavigation";
      this.tvNavigation.Nodes.AddRange(new System.Windows.Forms.TreeNode[] {
                                                                             new System.Windows.Forms.TreeNode("Line Chart"),
                                                                             new System.Windows.Forms.TreeNode("Column Chart"),
                                                                             new System.Windows.Forms.TreeNode("Stacked Column Chart"),
                                                                             new System.Windows.Forms.TreeNode("Bar Chart"),
                                                                             new System.Windows.Forms.TreeNode("Stacked Bar Chart"),
                                                                             new System.Windows.Forms.TreeNode("Area Chart"),
                                                                             new System.Windows.Forms.TreeNode("Pie Chart"),
                                                                             new System.Windows.Forms.TreeNode("Pie Exploded Chart"),
                                                                             new System.Windows.Forms.TreeNode("Combination Chart")});
      this.tvNavigation.SelectedImageIndex = -1;
      this.tvNavigation.Size = new System.Drawing.Size(196, 482);
      this.tvNavigation.TabIndex = 0;
      this.tvNavigation.AfterSelect += new System.Windows.Forms.TreeViewEventHandler(this.tvNavigation_AfterSelect);
      // 
      // btnPdf
      // 
      this.btnPdf.BackColor = System.Drawing.Color.Transparent;
      this.btnPdf.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
      this.btnPdf.Image = ((System.Drawing.Image)(resources.GetObject("btnPdf.Image")));
      this.btnPdf.Location = new System.Drawing.Point(464, 16);
      this.btnPdf.Name = "btnPdf";
      this.btnPdf.Size = new System.Drawing.Size(44, 44);
      this.btnPdf.TabIndex = 1;
      this.btnPdf.Click += new System.EventHandler(this.btnPdf_Click);
      // 
      // btnOriginalSize
      // 
      this.btnOriginalSize.BackColor = System.Drawing.Color.Transparent;
      this.btnOriginalSize.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
      this.btnOriginalSize.Image = ((System.Drawing.Image)(resources.GetObject("btnOriginalSize.Image")));
      this.btnOriginalSize.Location = new System.Drawing.Point(204, 16);
      this.btnOriginalSize.Name = "btnOriginalSize";
      this.btnOriginalSize.Size = new System.Drawing.Size(44, 44);
      this.btnOriginalSize.TabIndex = 2;
      this.btnOriginalSize.Click += new System.EventHandler(this.btnOriginalSize_Click);
      // 
      // btnFullPage
      // 
      this.btnFullPage.BackColor = System.Drawing.Color.Transparent;
      this.btnFullPage.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
      this.btnFullPage.Image = ((System.Drawing.Image)(resources.GetObject("btnFullPage.Image")));
      this.btnFullPage.Location = new System.Drawing.Point(256, 16);
      this.btnFullPage.Name = "btnFullPage";
      this.btnFullPage.Size = new System.Drawing.Size(44, 44);
      this.btnFullPage.TabIndex = 2;
      this.btnFullPage.Click += new System.EventHandler(this.btnFullPage_Click);
      // 
      // btnBestFit
      // 
      this.btnBestFit.BackColor = System.Drawing.Color.Transparent;
      this.btnBestFit.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
      this.btnBestFit.Image = ((System.Drawing.Image)(resources.GetObject("btnBestFit.Image")));
      this.btnBestFit.Location = new System.Drawing.Point(308, 16);
      this.btnBestFit.Name = "btnBestFit";
      this.btnBestFit.Size = new System.Drawing.Size(44, 44);
      this.btnBestFit.TabIndex = 2;
      this.btnBestFit.Click += new System.EventHandler(this.btnBestFit_Click);
      // 
      // btnMinus
      // 
      this.btnMinus.BackColor = System.Drawing.Color.Transparent;
      this.btnMinus.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
      this.btnMinus.Image = ((System.Drawing.Image)(resources.GetObject("btnMinus.Image")));
      this.btnMinus.Location = new System.Drawing.Point(360, 16);
      this.btnMinus.Name = "btnMinus";
      this.btnMinus.Size = new System.Drawing.Size(44, 44);
      this.btnMinus.TabIndex = 2;
      this.btnMinus.Click += new System.EventHandler(this.btnMinus_Click);
      // 
      // btnPlus
      // 
      this.btnPlus.BackColor = System.Drawing.Color.Transparent;
      this.btnPlus.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
      this.btnPlus.Image = ((System.Drawing.Image)(resources.GetObject("btnPlus.Image")));
      this.btnPlus.Location = new System.Drawing.Point(412, 16);
      this.btnPlus.Name = "btnPlus";
      this.btnPlus.Size = new System.Drawing.Size(44, 44);
      this.btnPlus.TabIndex = 2;
      this.btnPlus.Click += new System.EventHandler(this.btnPlus_Click);
      // 
      // MainForm
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.BackColor = System.Drawing.Color.WhiteSmoke;
      this.ClientSize = new System.Drawing.Size(792, 566);
      this.Controls.Add(this.btnOriginalSize);
      this.Controls.Add(this.btnPdf);
      this.Controls.Add(this.pnlMain);
      this.Controls.Add(this.btnFullPage);
      this.Controls.Add(this.btnBestFit);
      this.Controls.Add(this.btnMinus);
      this.Controls.Add(this.btnPlus);
      this.DockPadding.Bottom = -2;
      this.Name = "MainForm";
      this.Text = "PDFsharp Charting Demo";
      this.pnlMain.ResumeLayout(false);
      this.pnlRight.ResumeLayout(false);
      this.pnlPreview.ResumeLayout(false);
      this.pnlLeft.ResumeLayout(false);
      this.ResumeLayout(false);

    }
    #endregion

    private void tvNavigation_AfterSelect(object sender, System.Windows.Forms.TreeViewEventArgs e)
    {
      this.chartFrame = new ChartFrame();
      this.chartFrame.Location = new XPoint(30, 30);
      this.chartFrame.Size = new XSize(500, 600);

      Chart chart = null;
      switch (e.Node.Text.ToLower())
      {
        case "line chart":
          chart = ChartSamples.LineChart();
          break;

        case "column chart":
          chart = ChartSamples.ColumnChart();
          break;

        case "stacked column chart":
          chart = ChartSamples.ColumnStackedChart();
          break;

        case "bar chart":
          chart = ChartSamples.BarChart();
          break;

        case "stacked bar chart":
          chart = ChartSamples.BarStackedChart();
          break;

        case "area chart":
          chart = ChartSamples.AreaChart();
          break;

        case "pie chart":
          chart = ChartSamples.PieChart();
          break;

        case "pie exploded chart":
          chart = ChartSamples.PieExplodedChart();
          break;

        case "combination chart":
          chart = ChartSamples.CombinationChart();
          break;
      }
      this.chartFrame.Add(chart);

      this.pagePreview.SetRenderEvent(new PagePreview.RenderEvent(chartFrame.Draw));
    }

    private void btnOriginalSize_Click(object sender, System.EventArgs e)
    {
      this.pagePreview.Zoom = Zoom.Percent100;
    }

    private void btnFullPage_Click(object sender, System.EventArgs e)
    {
      this.pagePreview.Zoom = Zoom.FullPage;
    }

    private void btnBestFit_Click(object sender, System.EventArgs e)
    {
      this.pagePreview.Zoom = Zoom.BestFit;
    }

    private void btnMinus_Click(object sender, System.EventArgs e)
    {
      this.pagePreview.ZoomPercent = GetNewZoom((int)this.pagePreview.ZoomPercent, false);
    }

    private void btnPlus_Click(object sender, System.EventArgs e)
    {
      this.pagePreview.ZoomPercent = GetNewZoom((int)this.pagePreview.ZoomPercent, true);
    }

    private void btnPdf_Click(object sender, System.EventArgs e)
    {
      string filename = Guid.NewGuid().ToString().ToUpper() + ".pdf";
      PdfDocument document = new PdfDocument(filename);

      PdfPage page = document.AddPage();
      page.Size = PageSize.A4;
      XGraphics gfx = XGraphics.FromPdfPage(page);
      this.chartFrame.Draw(gfx);
      document.Close();
      Process.Start(filename);
    }

  }
}