Is there a better discussion group for DirectX?  Its not in the SDK section.
I have a matrix where I have displayed my landscape.  I figured out how to look left and right by doing a Matrix multiply and rotating the landscape around the up/down axis.  Now I wish to look up and ...

I'm trying to use the DrawText() method to draw some very long string
text on the Panel with AutoScroll enabled. However, for some unknown
reasons, I could not trigger the ScrollBar to show up.
Here is the simplicied section of drawing code:

Does GDI+ use hardware acceleration?  I have heard that, for the most part,
it does not.

Has anyone had any success in using a graphics pen
to draw overlapping straight lines using the GDI+
DrawLines Method? If so, how did you get them to
overlap without occlusion?

How would I determine when a user ran their mouse over a GDI+ line that I
have drawn on a form?  The intent is to pop up a window displaying
information regarding the line when the user moves their mouse over it.

Has anybody got code to round corners of usercontrols and group boxes please
?

Is there any possibility to save Bitmap as JPG, howeve
with better quality than allows the following code
..
encoderParameters.Param[0] = new EncoderParameter(Encoder.Quality,100)

Is there any way to get information on image resulution,
however without creating image data buffer in memory
I mean that I would like to read this information from som
header or sth. like that, and not by loading the bitmap and getting

jeez, the search function on this forum stinks. I never find anything there, so forgive me if this was asked a thousand times
There are two colors in a gradient caption, both are modifiable by the user. In SystemColors I can see an ActiveCaption color, but how can I find color 2? ...

For example, how do I convert a GIF to a JPG (and vice versa)?
Also, If I use GetThumbnailImage on a GIF file and save the resulting
thumbnail to a file, is that thumbnail a GIF still or does it become a
bitmap or some other type?

May be this might be a silly question but just want to know whether
Asp.net/.Net framework has any function or class to identity whether
the image is animated or not animated gifs.
I am uploading an image from users and want to check before saving

OK, I'm trying to draw to an image and then later BitBlt that image to a
Graphics. I'm able to DrawImage() with the "saved" image, but BitBlt'ing
results in Black. I've seen this posted a number of times, but for the life
of me, I still can't get my head around what I'm doing wrong. ...

I currently have a server side image control with an image associated with
it.  When the user clicks a button I want to be able to draw a small black
box on the image.  Here is the code I am using for the button click (in
VB.Net)

I don't want any white space. I want the outer edges of the glyph to touch the boundaries of a rectangle I define.

i want to create a transparent overlay drawing that pops up temporarily. As
I don't have anything like Swing's GlassPane, I created a new Form subclass
that is transparent, and draw in this Form class.
Works beautifully. With the exception that there is a short flicker when the