A string value specifying the format, to which a chart should be exported.
A string value specifying the file name, to which a chart should be exported. If this parameter is missing or set to an empty string, then the created file will be named using the client-side name of a chart.
The following export formats can be used as a format parameter passed to the SaveToDisk method:
Since exporting a chart to PDF is based upon the Pdf.Core library, don't forget to add a reference to the DevExpress.Pdf.Core assembly into your project's References list.