c# - How do I determine program interupt in Windows Mobile -

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i have game application have written windows mobile , want have timer associated puzzle. if program loses focus reason (call comes in, user switches programs, user hits windows button) want pop dialog box cover puzzle , timer stop. when user closes pop dialog timer can start again.

does know how this?

thanks

take @ article on @ opennetcf's community site on determining when form or process changes.


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