IS this allright + how to see if it exist

[Nazgul]

Thanks, but that does not work, it does not open once, I did exactly what you coded. But if you do it like that _dialog will not have value NULL right?

[pan]

You need to change the on_pushButton_clicked(): so that show() is outside the "if" statement. Otherwise once it is instantiated you won't be able to show it again...

[Nazgul]

Thanks, now that works Im running in weird problems

Im chaning my Dblock .ui file and compile, but when I start my apllication it does not change, if I change anything in my main it does change, weird?