Fix for issues 14437 and 13497 #20028
Open
+416
−51
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What does the pull request do?
Fixes #14437 & #13497
What is the updated/expected behavior with this PR?
ControlCatalog doesn't fail anymore using scenario from #13497
How was the solution implemented (if it's not obvious)?
implemented new SafeEnumerableList class using "Copy-on-change" behavior and LogicalChildren/VisualChildren collections are changed to be instanced using class
Checklist
Fixed issues
Fixes #14437
Fixes #13497