Checks if a dialog handle is valid.
Returns `True` if the dialog exists, otherwise `False`.
planetcnc.dlg_is_valid(handle)
#! /usr/bin/env python import planetcnc # Check if a dialog handle is valid dialog_handle = "MyDialogHandle" is_valid = planetcnc.dlg_is_valid(dialog_handle) print("Dialog is valid:", is_valid)