private void ExportPDFButton_Click(object sender, EventArgs e)
{
try
{
string path = Application.StartupPath + "\\ChartExport.pdf";
NPdfImageFormat fmt = new NPdfImageFormat();
fmt.CompressContentStream = true;
nChartControl1.ImageExporter.SaveToFile(path, fmt);
Process.Start(path);
}
catch (Exception x)
{
MessageBox.Show(x.Message);
}
}
/// <summary>
/// Default constructor.
/// </summary>
public NPdfExportRenderPage()
{
DrawingView = new NDrawingView();
DrawingView.ViewLayout = CanvasLayout.Normal;
string format = HttpContext.Current.Request.QueryString["format"];
if (format == "pdf")
{
// Create a pdf image format
NPdfImageFormat imageFormat = new NPdfImageFormat();
imageFormat.PageSize = new NSizeF(GetSizeInPoints("PageWidth"), GetSizeInPoints("PageHeight"));
imageFormat.PageMargins = new NMarginsF(GetSizeInPoints("MarginsLeft"), GetSizeInPoints("MarginsTop"),
GetSizeInPoints("MarginsRight"), GetSizeInPoints("MarginsBottom"));
imageFormat.ZoomPercent = GetFloat("ZoomPercent");
if (GetBoolean("FitToPage"))
{
imageFormat.Layout = PagedLayout.FitToPages;
}
// Override the default response
NImageResponse imageResponse = new NImageResponse();
imageResponse.ImageFormat = imageFormat;
imageResponse.StreamImageToBrowser = true;
DrawingView.ServerSettings.BrowserResponseSettings.DefaultResponse = imageResponse;
}
// init document
NDrawingDocument document = this.DrawingView.Document;
document.BeginInit();
CreateScene(document);
document.EndInit();
this.DrawingView.SizeToContent();
}