How to create black-white negative image from color image? (can I do it with ColorMatrix?)

How do I convert an image stored in a System.Drawing.Image variable into a
Byte[] variable?
Olav

For a while I had a "mental model" that for controls (say, a panel) that the
Graphics object you would get inside the Paint event by doing :
           Graphics panelPaintGraphics = e.Graphics;
           // do something ....

I've been trying to get a Tooltip like class work and
for some reason the CreateParams Style property isn't
working. If I use WM_POPUPWINDOW (0x80C80000) the
newly created window does not show itself anywhere

Does anyone know how I can draw some images onto a
background image and then save the image to a file? I
thought an easy way would be to draw the images onto a
graphics object using the DrawImageMethod() then save it

Does anybody know how to draw text around a curve, like on top of a circle
that follows the circle?  I've been struggling this for a while and delved
into the graphicpath.warp routine, but i just seem to draw weird rectangles
with the text, i can't seem to get it to curve.  ...

Hello,
Does anyone have know of any good articles in reference to Printing in .Net?
I have a paper form with roughly 300 fields and trying to place info from
fields in a dataset into the paper form and how to place each one is a

I have a Picturebox that continuously gets updated with either different
patterns and/or strings of text written on it.  I have the text updating in
the PictureBox's Paint event.  Then I use e.Graphics.DrawString(...) to draw
the string on the screen.

I've looked everywhere on how to change the brightness of an image in
VB.NET.  I see that you can get the brightness of a pixel, but I can't find
any way to set the brightness of the pixel.  I would think that a basic
function like this would've been included in VS.NET, since they ...

Does anyone have an alternative to convert a panel's width and height in
pixels to Inches other than assuming that there are 96 pixels per inch and
then Width/96 Height/96? I also need to track down distance in the mouse
move event in inch. Thanks in advance for all suggestions

   I was wondering if anyone had any examples of using the Alphablend API
in VB.NET?  Thanks loads in advance.
Nick.

I work with customers (and friends) that view, print, and manage
scanned images.  These scanned documents are typically letter or legal
size scanned at 200 or 300 dpi.  They can be single and multi-page
Tiffs.  In the past, I've been able to deliver free or near free

   I have made an image box which includes magnification features.  All
works well except I have noticed a bottle neck when viewing images that are
very large (via high maginification).
   The magnified image only gets created once so I can pin point the bottle

V.S. .NET 1.1
I assume that when I set the image property of a picturebox at design time using
the IDE to a very large image (5456x9854 jpg file) and it crashes with an out of
memory error that something has happened where it is unable to create the .resx

I have an application that uses a PictureBox to display real-time video that
is captured from a JPEG video acquisition card.  I basically get a JPEG
image buffer from the card that I convert to a .NET Bitmap object.  I then
assign a clone of the Bitmap object to the Image property ...