How can I convert measurement in Pixel unit to Point unit?
e.g., 10pixel = ? point
Thanks.
--

I would like to understand the meaning of these colour descriptions
e.g.#E7E7FF
or #4A3C8C
Is it RGB and how it is represented within these description?

Am I correct if I say that saving bitmaps using
bitmap.Save("filename", ImageFormat.Tiff);
is actually saving the bitmap in a separate thread, and that the "filename"
file is not ready for reading immediately after the next line of the app

A While ago I downloaded a great application named "GDI Indicator"
Which helps you track how many GDI object are instanciated (and if you
forgot to free some!)
However I can't find it again!

I just make some test to see the effect of PenAlignment.  And I noticed
that:
* using Graphics.DrawLine: no effect, it is always "Center"
* using Graphics.DrawRectangle: Center and Inset are ok but Left, Outset and

How do I fill an irregular shape with a given color in an image with
System.Drawing?
Let's say I have a map of North America and I want to paint the USA with a
color given by my user. It's just like doing a fill with paint or photoshop

I have some trouble with the Graphics.DpiX / Y
The value of DpiX and DpiY is the value configured in the "Display"
configuration panel and is by default set to 96 dpi.
So, my resolution is 1600x1200, I used a transformation and set pageunit to

I want to ask about fast "clearing" image to transparency color.
Something like: FillRect(Brushes.Transparent, 10, 20, 16, 16), but
because all new pixels are transparent then... all will be ignored.
Generally I have buffer (Bitmap) object. This buffer is divided on

     I am writing a cheque (check) printing application, which draws the
cheque on the front and back of a
6 X 2.5 dimension image. I have used a 2 frame tiff file (for front and back).
For performance reasons I am creating a temp image file containing the basic

I'm doing a System.Drawing.Image.Save(filepath) but it gives me the
error "A general error occured in GDI+". I did browse through many
solutions but none worked. I'm doing this in the C# code that I'm
writing to customize MS Word (COM Add-in). I even tried Bitmap.Save but

OnPaint I need to draw the text contents of lots of grid cells. For it to
look right, each cell's contents cannot be rendered outside the bounding
rectangle of the cell. Only, DrawString does not allow me to specify a
bounnding rectangle. Do I really need to create a new Region ...

I'm trying to draw a linear gradient between two colours using the
LinearGradientBrush class.  It sounds simple enough however I get a line of
the second colour at the top of the gradient in certain situations.  Placing
the code below in the paint event of a Panel will hopefully ...

I need to access the XMP-metadata stored by Photoshop in jpeg-files. I have
been looking for a solution for hours on google, google groups etc et c
Fields can be found here: http://www.portfoliofaq.com/pfaq/FAQ00311.htm
And Adobe (who invented the format as far as I can tell) has ...

I have 1 bit CCITT 4 compressed TIFFS. I can save these efficiently, but as
soon as I modify the image using the graphics drawstring method to stamp some
text on the image, I have to convert the image to 1bit to get it to save back
using the CCITT 4 compression.

I am tying to build a ASP.net 2.0 based web page which displays a Analog
Guage ( 0 to 180 degrees) with an Arrow in the middle.
The application accepts the Percentage as input from a text box and then
generates an image which shows a Arrow pointer dipicting that percentage on