partiallly transparent window, always on top

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Wolfgang - 23 Jan 2005 03:17 GMT

Is it possible in VB .NET to create a window that is always on top of
all other windows, while at the same time being partially transparent?

As example that this kind of thing is possible, the splash screen of
Adobe Reader (formely Acrobat) seems to be partially transparent.

If you have a code snippet of how something like this could be done,
that would be great.

Thanks,

Wolfgang
Goleta, California

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Cor Ligthert - 23 Jan 2005 07:59 GMT

Wolfgang,

Have a look at opacity

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlr
fsystemwindowsformsformclassopacitytopic.asp

I hope this helps?

Cor

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Wolfgang - 23 Jan 2005 23:07 GMT

Thanks,

The Opacity property works well.

Now, can opacity be controlled for some region(s) of a window? For
example, I want to make a window that has a "hole" in it, through
which you can see whatever is underneath the window.

Wolfgang

>Wolfgang,
>
[quoted text clipped - 5 lines]
>
>Cor

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Cor Ligthert - 24 Jan 2005 07:43 GMT

Wolfgang,

I have seen your question often in this newsgroup, in my opinion did I not
see a real fine answer.

Or you should draw using the region class your own window.

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlr
fsystemdrawingregionclasstopic.asp

(And don't ask than here how to do it, you can probably than better search
for it on Google, it is such a lot of work measuring all points on the
screen that you need for that. And therefore it is in my opinion almost
impossible to help with that directly in a newsgroup)

I hope this helps a little bit.

Cor

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partiallly transparent window, always on top

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