Access to parent user control from children

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hi,
i create a project WPF with 3 files xaml of user control in this architecture
my question is how can i access from User control 1.1 to the the Grid control Parent? my objectif is maximize the popup child1.1 in same height and width of Grid control Parent.

Thanks for the help.

What I have tried:

i try to use dependency property but it's not worked. i need an others ideas or exemple that can inspired to fix this problem.Thanks for the help.

Posted 10-Feb-20 11:35am

.Net Perfect Dev

Updated 11-Feb-20 15:54pm

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[no name] 10-Feb-20 18:56pm

Controls in a "Grid" are part of the Grid's "Children" collection.

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AnkushK1 · Answer 1 · 2020-02-11T15:54:00

Solution 1

Try this

Width="{Binding RelativeSource={RelativeSource FindAncestor, 
    AncestorType={x:Type GridControl}},Path=ActualWidth}"

Posted 11-Feb-20 15:54pm

AnkushK1