About Color.Alpha

General
1

aColor.Alpha is documented as a read only property of a color … Is there a specific reason there is not also a setter? While I have never needed to set the RGB values of a color individually, lately I find myself needed to do that. The straightforward way the framework gives to do that is to do:

aColor = Color.RGBA(aColor.Red, aColor.Geen, aColor.Blue, AlphaValue)
Which is rather messy and long…
(yes It could be done other ways I know)

So is there a specific reason why there is not a setter for it so I could just do:
aColor.Alpha = AlphaValue

Or is that something I should put feature request in for.

-Karen

2

cough … extends … cough
there are other ways to manipulate this that do not involve creating a new color

but yeah put in a FR as well

3

[quote=492783:@Norman Palardy]cough … extends … cough
[/quote]

Try it… Doesn’t not work… It will compile if you don’t use it, but when you actually try to use it the compilation fails… at least on 2019R1

4

Can’t reproduce, works well here with this:

[code]Public Sub Alpha(extends byref cVal as Color, assigns tiVal as Integer)
cVal = Color.RGBA(cVal.Red, cVal.Green, cVal.Blue, tiVal)

End Sub
[/code]
Edit: Got my blue and green mixed up. Tested with a red square >_>

5

[quote=492788:@Tim Parnell]Public Sub Alpha(extends byref cVal as Color, assigns tiVal as Integer)
cVal = Color.RGBA(cVal.Red, cVal.Green, cVal.Blue, tiVal)

End Sub[/quote]

Must have had another issue… Will try again… I deleted my original code so I can’t look at it… Maybe forgot the ByRef? Will try again.

-karen