.net - Read pixel color directly from a byte array where image dimensions are known -

i download png images of dimensions 256 x 256 bytes array using webclient.

i need detect pixel colours @ specific location (0,0) determine processing instructions each downloaded image.

presently convert bytes memory stream convert bitmap.

next use getpixel(0,0) required pixel information.

this method not slow, involves many steps.

i have imagearray direct webclient dowmloaddata menthod.

please how can read pixel value @ location(0,0) or preferably @ location(x,y) directly byte array.

thanks.