IBackgroundStyleDraw(IGraphicsContext3D, RectangleD3D) Method

void Draw(
	IGraphicsContext3D g,
	RectangleD3D itemRectangle
)

Parameters

g  IGraphicsContext3D

The drawing context.

itemRectangle  RectangleD3D

Position and size of the item for which this background is intended. For text, this is the position and size of the text rectangle, already with a margin around. This parameter should have the same size as was used in the previous call to Measure(RectangleD3D)

Reference