We are excited to announce the release of Spire.Presentation 8.12.2. This version supports converting master pages to images. Besides, it also enhances the conversion from PowerPoint to PDF. Moreover, it fixes the issue that the effect was incorrect after changing the position of the chart label. More details are listed below.

Here is a list of changes made in this release

Presentation ppt = new Presentation();
ppt.LoadFromFile("1.pptx");
for (int i = 0; i < ppt.Masters[0].Layouts.Count; i++)
{
Image image = ppt.Masters[0].Layouts[i].SaveAsImage();
String fileName = String.Format("{0}.png", i);
image.Save(fileName, System.Drawing.Imaging.ImageFormat.Png);
}
ppt.Dispose();