Convert dxf to pdf

Here is the conversion code:

private void import_Click(object sender, EventArgs e)
{
    string dpath = @"D:pic.dxf";
    string ppath = @"D:pic.pdf";
    createPdf(dpath, ppath);
}

private static void createPdf(string dxfPath, string pdfPath)
{
    BackSlashPath documentConverter = new BackSlashPath(dxfPath);
    BackSlashPath outputDocument = new BackSlashPath(pdfPath);
    var outputFormat = (DocumentFormat)Enum.Parse(typeof(DocumentFormat), "Pdf");
    var result = GleamTech.DocumentUltimate.DocumentConverter.Convert(documentConverter, outputDocument, outputFormat);
}

Before using it, you need to add "DocumentUltimate" from "NuGet". The specific operation is as follows： Right click the Reference and select "Manage NuGet Packages...", then type "DocumentUltimate" in the search bar and install it: