public static void Run()
{
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_Shapes();
// Instantiate Presentation class that represents the PPTX file
Presentation pres = new Presentation();
// Add SmartArt
ISmartArt smart = pres.Slides[0].Shapes.AddSmartArt(10, 10, 400, 300, SmartArtLayoutType.BasicCycle);
// Obtain the reference of a node by using its Index
ISmartArtNode node = smart.Nodes[1];
// Get thumbnail
Bitmap bmp = node.Shapes[0].GetThumbnail();
// Save thumbnail
bmp.Save(dataDir + "SmartArt_ChildNote_Thumbnail_out.jpeg", ImageFormat.Jpeg);
}
}