#218 – Defining a Radial Gradient’s Focal Point

By default, the focal point of a radial gradient–the spot where the gradient starts–is at the center of the control in which it’s located.

You can specify a different focal point using the RadialGradientBrush.GradientOrigin property.  The GradientOrigin property specifies the start of the gradient in 2D (X,Y) space, with X ranging from 0.0 (left side of control) to 1.0 (right side) and Y ranging from 0.0 (top) to 1.0 (bottom).

Here’s the same gradient as above, with the origin at (0.2,0.4).

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