System.Drawing.Color enumeration

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Lionel - 17 Oct 2005 21:28 GMT

Hello all,
not sure if this is the correct forum for this, but anyway - how do I alter
the alpha channel of one of the System Colors? For example, if I want
System.Drawing.Color.Blue, but with an alpha value of 100, how can this be
done? Thanks in advance!

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Jon Skeet [C# MVP] - 17 Oct 2005 21:37 GMT

> Hello all,
> not sure if this is the correct forum for this, but anyway - how do I alter
> the alpha channel of one of the System Colors? For example, if I want
> System.Drawing.Color.Blue, but with an alpha value of 100, how can this be
> done? Thanks in advance!

There's a method in Color for just that kind of purpose:
Color.FromArgb(int, Color)

So in your case, you'd use:

Color myColor = Color.FromArgb(100, Color.Blue);

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