[Gtk-sharp-list] How to use DrawGrayImage for display an image?

[Francisco Martín Rico]

Hi,

I want display a gray image that I have stored in a string, but I do not
know how to use the drawable widget. In python, for example, the
function DrawGrayImage has an argument that correspond with a buffer (a
char, byte, int.. array) that contains the image, but in gtk#, the
function is

DrawGrayImage(GC, int, int, int, int, RgbDither, int) : byte

that not contains such an argument. How can I specify the image data I
want draw? How I use my drawable? 

Thanks in advance,
	Paco