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Question by Alavardo · Sep 02, 2011 at 01:12 PM · c#cs1612

JavaScript to c# problem.

Hey guys, why i have this error? In c#?

GUI.color.a = LogoAlpha;

error CS1612: Cannot modify a value type return value of `UnityEngine.GUI.color'. Consider storing the value in a temporary variable

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avatar image SisterKy · Sep 02, 2011 at 01:25 PM 0
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(Please use error-codes as Tags, thank you :)

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Answer by Borgo · Sep 02, 2011 at 01:19 PM

Cause you can not modify directly a unique struct item, cause these itens are "read only".
The structs gives you only a "Get" method to these itens, but not a "Set" method.
You need to assign a object, even if you need to set only a unique item.

Exemple:

 GUI.color.a = LogoAlpha; //this will give you the error

You need to do:

 Gui.color = new Color(Gui.color.r, Gui.color.g, Gui.color.b, LogoAlpha);

Hope this help and sorry for my poor english,
Borgo

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Answer by NiklasK · Sep 02, 2011 at 01:15 PM

You cant set the individual component "a" in C#. You will have to do something like this

 GUI.color = new Color(r, g, b, LogoAlpha);
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