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$Canceled

$Canceled
is a symbol returned when notebook input is canceled, for example from a dialog box.
EXAMPLESCLOSE ALL
Basic Examples   (1)
Display a dialog window with a cancel button:
When the button is clicked, the value $Canceled is returned as the value of the DialogInput:
Display a dialog window with a cancel button:
In[1]:=
Click for copyable input
When the button is clicked, the value $Canceled is returned as the value of the DialogInput:
In[2]:=
Click for copyable input
Out[2]=
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