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| Submitted on: |
8/27/2003 5:56:08 AM |
| By: |
Mick Doherty
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| Level: |
Intermediate |
| User Rating: |
By 7 Users |
| Compatibility: |
VB.NET |
| Views: |
11621 |
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Tired of those ugly black shadows you get from WindowsXP Alpha Icons? Sure DrawIcon solves the problem, but sometimes you just want to pass a bitmap, created from an Icon, to an Image property.
This project shows you how.
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Other 6 submission(s) by this author
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Other User Comments
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 8/29/2003 11:33:10 AM: Daniel Novak
Love this code! Keep up the good work m8. And I sure hope you continue with this shadow thing going on because you are the only one that have done such thing on .NET that I KNOW OF. :)
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8/29/2003 1:23:12 PM: Mick Doherty
Yes. I've seen several posts in newsgroups (mainly c#) pointing people in the general direction, but no actual solution. I tried to do this back in March and failed miserably, I even posted a query at WindowsForms.Net and was offered no solution. At the time I resorted to using an Imagelist set at 16bpp as you can see in my [How Do You Do That... (Menu's)] submission. I just didn't know how close I was to a solution while I was pulling my hair out at that time.
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8/31/2003 12:13:24 AM:
Yeah, from what I know Mick is the ONLY one who has done this. Good job my friend.
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8/31/2003 2:35:41 PM: Mick Doherty
I'm sure I'm not the first, others just kept it to themselves, but now everyone will be doing it, unless Bill releases a patch to close up this workaround ;)
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9/4/2003 6:23:02 AM:
Great work! Small but good! Not an intermediate level! ;)
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9/4/2003 6:53:20 AM: Mick Doherty
I don't think beginners should be playing with interop or memory structures, so It's not a beginner category (unless, like me, they are converting from VBClassic :) ), and I certainly would not call it advanced (still a few problems to sort out).
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11/20/2003 1:37:35 AM:
i get an error during compile on the Marshal.copy line, and the code is pretty intermediate, how do i use the code for a bitmap i made with a drop shadow?
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11/20/2003 6:26:18 AM: Mick Doherty
I don't know what error you were getting, but it was probably due to the bitmap you passed going out of scope(Garbage Collector is not always helpful). I have been working on this and have made some improvements(Marshal.Copy no longer used). I will now update this submission.
This function should work with any 32bppArgb bitmap. What format is the bitmap you created?
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8/16/2004 8:20:32 AM: The New iSoftware Company!
Theres a way without any coding. Get a editor like gifmoviegear and export the 32 bit png. Use that as your image. Works great.
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8/16/2004 10:39:40 AM: Mick Doherty
You don't need any code if you simply want to convert the image. Just draw it to a PictureBox and save it. The point of this code is that, for example, Windows XP 32 bit Icons have Alpha Content. Everyone with Windows XP already has these Icons so why would I want to distribute them with my application, even if the licensing permitted it? If I want to show these Icons in a control which accepts an Image Property rather than an Icon property then I need to convert them first.
There is an updated example of this method on my site which returns a bitmap even when the Icon does not contain Alpha.
http://dotnetrix.co.uk/misc.html
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2/13/2005 5:12:16 PM: Thomas Yates
Bah to all that say converting images! By a method like this (which i spent a great 1-2 weeks looking for) you can hold ONE resource Icon in your APP and load it to this function thereby SAVING size of the program and allowing a more uniform look if you need to change the image in the future. Also note that this is not just for the alpha icons from microsoft but there are royalty free icons out there if you know where to get them. I havent looked at the code yet but it looks VERY promising. a 5 from me. Very good!!!!!
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5/9/2006 3:10:57 PM: mojtaba
this is power of programmer
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9/8/2006 5:30:24 PM: Shimirel Information Systems
You don't need any of the above, at least not for VB 2005. Just extract the icon you want to display into an icon object rather than a bitmap object. You need to add the icons as 32bit pictures to the imagelists do both of those and your sorted no shadow icons.
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