c# - User control child control properties -


this simple do, i'm having brain fart (being sleep deprived you).

i've got wpf user control , want expose property (as read only) of 1 of child controls outside world can bind it.

whats best way?

i think should expand on this, may more fiddly gave impression of. i've got grid column in of width "*". when contents have been loaded want able actualwidth of column , pass out of usercontrol read property (so can bind control same value , have match size).

i'm not sure how set dependency property properly.


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