[iOS] Add ability to turn off updates to native controls from another thread (#3774)
authorSamantha Houts <samhouts@users.noreply.github.com>
Thu, 4 Oct 2018 21:58:34 +0000 (14:58 -0700)
committerGitHub <noreply@github.com>
Thu, 4 Oct 2018 21:58:34 +0000 (14:58 -0700)
commite1cba2c8f149b05c80010c5a3d820bae7de04ce4
treec8352d161ff4a3779a5022a8366c71ca36c3e2c6
parent07482a10f79fb2ec6f74418704ab0e3d8e5f1d65
[iOS] Add ability to turn off updates to native controls from another thread (#3774)

* [iOS] Add ability to turn off updates to native controls from another thread

* Flip evaluation order

fixes #1755
Xamarin.Forms.Core/PlatformConfiguration/iOSSpecific/Application.cs
Xamarin.Forms.Platform.iOS/VisualElementTracker.cs