Re: Grphics: How to draw an image transparent

From: Bob Powell [MVP] (bob_at__spamkiller_bobpowell.net)
Date: 03/15/05 

Date: Tue, 15 Mar 2005 12:22:56 +0100

At the bottom of the Drawing An Image article in the GDI+ FAQ it clearly
shows how to draw an image with transparency using the ColorMatrix
structure. 

-- 
Bob Powell [MVP]
Visual C#, System.Drawing
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"felix" <felix@news.com> wrote in message 
news:urABNOUKFHA.2704@tk2msftngp13.phx.gbl...
> Actually, I can't find such an information on your website. I know how to 
> draw an image and I'm also able to draw a transparent gif (well, I think, 
> GDI+ simply handles the transparency on its own).
>
> What I want is to render the entire image (regardless of its own 
> transparency or file-format / pixel-format) with a specific alpha. Imagine 
> a slider where the user can modify the alpha value in the range [0,255] 
> and the image will be rendered accordingly.
>
> I can't find any information about that issue. Thus, I'm really looking 
> forward for any help I can get.
>
> Regards,
> Felix
>
>
> Bob Powell [MVP] wrote:
>> The info you need is actually in the GDI+ FAQ. See the article on Drawing 
>> images.
>>

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