Setting Background Color of Master Slide

VSTO

 PowerPoint.Presentation presentation =

                Globals.ThisAddIn.Application.Presentations.Open("Setting Background Color of Master Slide.ppt", Office.MsoTriState.msoFalse, Office.MsoTriState.msoFalse, Office.MsoTriState.msoTrue);

            presentation.SlideMaster.Background.Fill.ForeColor.RGB = -654262273;

Aspose.Slides

 //Instantiate the Presentation class that represents the presentation file

using (PresentationEx pres = new PresentationEx())

{

	//Set the background color of the Master ISlide to Forest Green

	pres.Masters[0].Background.Type = BackgroundTypeEx.OwnBackground;

	pres.Masters[0].Background.FillFormat.FillType = FillTypeEx.Solid;

	pres.Masters[0].Background.FillFormat.SolidFillColor.Color = Color.ForestGreen;

	//Write the presentation to disk

	pres.Save("Setting Background Color of Master Slide.pptx", SaveFormat.Pptx);

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