Specifies the interior of visual style elements with a filled border background.
The System.Windows.Forms.VisualStyles.FillType values represent the return values of the VisualStyleRenderer.GetEnumValue(EnumProperty) method when it is called with an argument value of EnumProperty.FillType.
The interior of the element is a horizontal gradient.
The interior of the element is a radial gradient.
The interior of the element is solid.
The interior of the element is a tiled image.
The interior of the element is a vertical gradient.