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How do I create a frontend dialog which blocks the kernel evaluation?

Arnoud Buzing, Wolfram Research
Posted 13 years ago
I am essentially trying to prevent '2' from being printed, before I click the OK button:

Print[1];MessageDialog["hi"];Print[2];

Is there a simple way to achieve this?
POSTED BY: Arnoud Buzing
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Thanks!

I found this also later in the documentation ... I was getting stuck on trying various things with MessageDialog.
POSTED BY: Arnoud Buzing
Hi, this solves your problem:
Print[1];
DialogInput[DialogNotebook[{TextCell["Click to proceed"],Button["Proceed",DialogReturn[1]]}]];
Print[2];
POSTED BY: Ernst H.K. Stelzer
Will go around with GoTo work for your case? If you type stop , then 2 will not be printed.

Module[{},
  Print[1];
  If[InputString[]=="stop",Goto[end]];
  Print[2];
  Label[end];]
POSTED BY: Vitaliy Kaurov
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