<PackageReference Include="System.Drawing.Common" Version="10.0.0-rc.1.25451.107" />

BlurEffect

public class BlurEffect : Effect
Applies a Gaussian blur.
public bool ExpandEdge { get; }

Gets a value that indicates whether the bitmap expands by an amount equal to the blur radius.

public float Radius { get; }

Gets the blur radius (the radius of the Gaussian convolution kernel) in pixels.

public BlurEffect(float radius, bool expandEdge)

Creates a new BlurEffect with the specified blur radius.