time logic in project

[Saeedgh837]

hi i need to add a timer into my project like this:
time 1= DateTimenow+10 min
project body
after a while
current time = Datetimenow

if
'current'>'time1'
...........


else
..........

please help me. i tried it by c# code but it works sometimes!

and sometimes not!!

 

[Alexmd]

I think you need something like this.
There is an example in attachment.