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based on an earlier version of the Wolfram Language.
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DynamicSetting

DynamicSetting[e]
represents an object which displays as e, but is interpreted as the dynamically updated current value of Setting[e] if supplied as Mathematica input.
DynamicSetting
displays as e, but is interpreted as if supplied as input.
  • DynamicSetting[e] returns an object which remains unchanged until it is explicitly supplied as Mathematica input, and evaluated using Shift+Enter, Evaluate in Place, etc.
  • In the object returned by DynamicSetting, all controls such as sliders are operable.
Displays as a slider, but gives the slider's setting when used as input:
Copy the output to use as active input:
Copy and use Evaluate in Place (Ctrl+Shift+Enter) to display as an actual color swatch:
Displays as a slider, but gives the slider's setting when used as input:
In[1]:=
Click for copyable input
Out[1]=
Copy the output to use as active input:
In[2]:=
Click for copyable input
Out[2]=
 
In[1]:=
Click for copyable input
Copy and use Evaluate in Place (Ctrl+Shift+Enter) to display as an actual color swatch:
In[2]:=
Click for copyable input
Out[2]=
DynamicSetting needs to be evaluated first using Evaluate in Place:
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