BOOL CBCGPDrawManager::GrayRect	(	CRect	rect,
		int	nPercentage = -1,
		COLORREF	clrTransparent = (COLORREF)-1,
		COLORREF	clrDisabled = (COLORREF)-1
	)

Fills a rectangle by the gray color with a specified percentage.

Returns

Nonzero if success; otherwise 0.

Use this function to fill a rectangle using the gray color with the specified by nPercentage percentage.

Parameters

rect	Specifies the rectangle to be filled.
nPercentage	The gray color's percentage. Use this value to get various shades. 100 - lighter, -1 - default light.
clrTransparent	Transparent color.
clrDisabled	Use this color for de-saturation.