I have a form, that include 2 functions to call 2 canvases, when I am displaying second canvas it is throwing error NullPointerException.
I have a form, that include 2 functions to call 2 canvases, when I
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I have a form, that include 2 functions to call 2 canvases, when I am displaying second canvas it is throwing error NullPointerException.
Please make your Display variable “mf” as
staticin the code snippet you originally posted.