ViewDisplayBackground Properties

Name	Return Type	Description
P BackgroundColor	Color	The color of the horizon when the type is 'Gradient'.
P GroundColor	Color	The color of the ground when the type is 'Gradient' or 'SunAndClouds'.
P HorizontalImageOffset	double	The distance between the left viewport boundary and the left edge of the background image.
P HorizontalImageScale	double	The horizontal scale of the background image; the scale of 1.0 puts the image pixel-to-pixel.
P ImageFlags	ViewDisplayBackgroundImageFlags	The image alignment indicators when the type is 'Image'.
P ImagePath	string	The path to the image file when the type is 'Image'.
P IsValidObject	Boolean	Specifies whether the .NET object represents a valid Revit entity.
P SkyColor	Color	The color of the sky when the type is 'Gradient'.
P Type	ViewDisplayBackgroundType	The type of the background.
P VerticalImageOffset	double	The distance between the bottom viewport boundary and the bottom edge of the background image.
P VerticalImageScale	double	The vertical scale of the background image; the scale of 1.0 puts the image pixel-to-pixel.