TFlexCelHtmlExport.SmoothingMode Property
This affects how the images, charts, etc are rendered for the image file. Some modes will look a little blurred but with better quality. Consult the .NET framework documentation on SmoothingMode for more information
Syntax
Unit: FlexCel.Render
property TFlexCelHtmlExport.SmoothingMode: TSmoothingMode