Hi Tuan,
I have worked over the requirements shared by you and
like to share that it seems to be issue in Aspose.Slides while setting the
background color for SmartArt shape. I have created an issue with ID SLIDESNET-33195 to further investigate
and resolve the issue. This thread has been linked with the issue so that you
may be automatically notified once the issue will be resolved. You have to use
the following code snippet for setting the SmartArt background color when issue
will be resolved.
DiagramEx sArt
= (DiagramEx)pres.Slides[0].Shapes[0];
sArt.FillFormat.FillType
= FillTypeEx.Solid;
sArt.FillFormat.SolidFillColor.Color
= Color.Red;
We are sorry for your inconvenience,
Mudassir Fayyaz
Support Developer
Aspose Sialkot Team
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