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BobMc
Posted : Monday, August 2, 2010 2:48:13 PM
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Joined: 10/7/2004
Posts: 816
How do I reduce the opacity of a real code paint scheme - and if I'm using "user input" statements to control the color - how do I see what the color actually is without trying each and every color?

Is there some kind of color name available when I mouse over the colors?

Regards
Bob Mc
Kuf
Posted : Thursday, August 5, 2010 10:17:08 AM


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Joined: 9/18/2004
Posts: 3,522
Look into the vb.net  Color.FromARGB  call. The Alpha value is the opacity. 255 is opaque, 0 is transparent.

Ken Gilb (Kuf)
Chief Software Engineer - Worden Brothers Inc.
Try/Catch - My RealCode Blog
BobMc
Posted : Thursday, August 5, 2010 12:30:49 PM
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Joined: 10/7/2004
Posts: 816
I don't understand how to use this?

Look into the vb.net  Color.FromARGB  call. 

When I look at the drop down list of colors - they have names - where do I get the RGB values?

It would be better if you can give me a detailed example - I get the "A" = opacity part but don't have aclue as to how to use what you said

Regards

Bob Mc

Kuf
Posted : Friday, August 6, 2010 10:53:36 AM


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Joined: 9/18/2004
Posts: 3,522
The coloring is a standard VB.net syntax. The drop down list is a short cut to pre-defined colors (RGB values).  R = Red, G = Green, B = Blue.  Color.Red = Color.FromARGB(255,255,0,0).   Color.Blue = color.FromARGB(255,0,0,255)

You can use the built in windows program "Paint" to get RGB values for colors or you can use an online color picker.

Ken Gilb (Kuf)
Chief Software Engineer - Worden Brothers Inc.
Try/Catch - My RealCode Blog
runningdawgcaptlst1
Posted : Friday, August 6, 2010 11:27:49 AM
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Joined: 10/7/2004
Posts: 357
I like this one:            if you search for     RGB     there are lots and lots and lots.........


http://www.tayloredmktg.com/rgb/
Bruce_L
Posted : Friday, August 6, 2010 11:36:25 AM


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Joined: 10/7/2004
Posts: 65,138
The following topics all contain example RealCode using .fromARGB():

Plot value NaN?
Volume Surge Gradient Painting
real code change for opacity of volume bars
Overlayng vol bars on price pane

-Bruce
Personal Criteria Formulas
TC2000 Support Articles
BobMc
Posted : Saturday, August 7, 2010 2:19:29 PM
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Joined: 10/7/2004
Posts: 816
Thanks runningdawg

Thats cool and easy

Regards
BobMc
BobMc
Posted : Saturday, August 7, 2010 2:39:29 PM
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Joined: 10/7/2004
Posts: 816
Thanks Bruce

very comprehensive - now I just have to understand it

Regards
Bob Mc
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