What does .NET have to read the compression technology used in a TIFF
file?
thx!
Mars

I`m trying to draw column header`s sort arrow visual style using
VisualRenderer but I always geting exception 'Given combination of Class,
Part, and State is not defined by the current visual style'.
That`s my code:

Is there a way to check whether two Colors are equal? If the Colors have
different Name properties, the = operator will return false even if the
A,R,G, and B properties are equal. I would like to be able to check whether
two colors are equal based only on the properties that ...

I used C# to create some bitmaps and save them as a TIFF file. Now i want to
add metadata to the TIFF file. How can i do this?
Thanks, Ben

I have created an ASP.NET Page to display images in a specified size and/or
display a blank image if no image exists. Here is my code:
<%@ Page Language="vb" AutoEventWireup="false"
CodeBehind="imgresizer.aspx.vb" Inherits="ECommerce.imgresizer" %>

Originally posted this question
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=2444877&SiteID=1 but
realized it was the wrong forum.
These two examples might be bugs, missing documentation or me being silly.

i need to know the size of an image without reading the whole file. any
ideas where to start? i assume some p/invoke would be needed :/
i need this because loading whole images into memory takes lots of time.
and when you have lets say 300 of them, 6Mpix each it may take ages.

I have created declared a Bitmap using the following statement:
Dim bmp As New Bitmap(100, 100, PixelFormat.Format8bppIndexed)
Because the SetPixel() method is disabled and a Graphics object cannot be
created for indexed PixelFormats, I am not sure how to edit the Bitmap. I am

I have finally figured out how to create transparency in GIF files when
creating them with VB.NET (it is harder than I think it should be, but at
least I can do it now). I would like to write a couple functions and/or
subroutines to make this easier. However, when I pass a Bitmap ...

I am working on .Net Framework 2.0 (Graphics module).   I am facing a
strange problem w.r.t IntersectsWith function which is used to determine
whether two given rectangles intersect with each other (or) not.
            I have two cases where the rectangles in both the cases ...

I need to combine two 24bpp bitmaps. The mask bitmap only has two
values for its pixels: black or white. The combined resulting bitmap
should be:
BITMAP1: COLOR X + BITMAP2: BLACK = COLOR X

I need a colormatrix that will change every non white pixel in an
image to black, and leave all white pixels white. Any ideas?
Carlos Aloatti

I have a big problem .... that only occures on my customer computers ....
There is no pattern when the error will popup .... it can after 30 seconds
or after minuter or more ..... the thing is that even if the user doesn't do
anything , he/she goes on a break or something the ...

I'm using the System.Drawing.Imaging namespace to create multi-page TIFFs.  
Some of the frames are pulled from existing JPEG files and some are
dynamically created by my application using the following process:
1) Create a new bitmap, specifying size

Currently the code looks like this (it doesn't work)
   Private m_BmpStream As Stream
   Private m_Assembly As System.Reflection.Assembly = _
                  Reflection.Assembly.GetEntryAssembly()