How can i wait for a Tcl/Tk toplevel widget to be created before moving on? -


i'm using tcl/tk build ui , im running problem of trying interact toplevel window before it's been created.

i created toplevel window this:

toplevel .t

then try , interact this:

wm stackorder .t isabove .

but .t doesn't exist yet , error window not being mapped. equates doing this:

winfo ismapped [toplevel .t]

which returns 0 if run following:

winfo ismapped .t

then return value 1.

how can know when toplevel window mapped (and therefore ready interact with) can proceed program?

i found answer, needed following:

tkwait visibility .t

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