I've created a control that derives from ScrollViewer and override the
OnRender method to draw onto the control.  However, if the Background
property is set, the background always draws on top of whatever I draw.
Even if I don't call base.OnRender the background is drawn, so I'm ...

is there a way to remove specific color from bitmap and change it to
different color?
lest say i wont to switch all pixels with red color to white or
rgb(value,value,value) to different one.

Howdy yall, please help this newbie here.
I need to create an vector based image from a Graphics object but couldn't
realize how to do so: Here are my doubts:
1) How do I create a Graphics object not attached to a Control ? I just need

I guess this must be a well-known issue that I just hit my head on.
Color.Equals doesn't apply the usual equality test.
For example:
using (g = Graphics.FromImage(bmp))

Since I don't work with graphics often, whenever I come to a point where a
transform would be useful I have to spend a lot of time finding articles
about them and reviewing how they work. Not only that, but I'm not
necessarily aware of the many different problems that can be ...

The FontFamily.GetEmHeight method gets the height, in font design units, of
the em square for the specified style.
Some overloads of the Font constructor have a second argument which must be
the em size in points.

This may be a simple question.  I'm trying to draw a path with multiple
polygons and circles.  Transparency is set to 50%.  I want the overlap
regions NOT to show.  That is, they should be the same transparency level and
color as the non-overlap regions.  Is there any way to do ...

I would like to draw something into an indexed bitmap. The problem is,
that the Graphics object may only be used for non-indexed images.
So I have to convert my indexed image into an nonindexed image in
order to be able to manipulate the image and then I have to reconvert

I really hope someone can help me with this.
I'm developing a windows application (c#, .NET 2.0).
In my solution I have created a custom control that extends the
RichTextBox control.

Has anyone ever come across a checkbox, that when you change the
background colour, the colour behind the tick is changed, not the
label?

I have a client that requests that I take an image off the server and resize
it according to their specific dimensions. For example, take a 3M image (say
900x1200) and resize it to 600x800 (resolution of 100) with a file size of
max. 150k.

I have an image onto which I want to draw some text. I can do the
basics just fine.
However, is it possible to draw text that will fill and scale to a
bounding rectangle? If so, how?

My DVD and CD only work after I start my computer . They will reed the disks
only intill I remove the disk, if I put the disk back in I have to restart my
computer to get it to reed the disk. The computer does see the disk but it
thinks it is empty.