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This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
When overridden in a derived class, is called by IsRequiredForForm.
protected abstract bool IsRequiredForFormCore()
Type: System.Booleantrue if the element must be completed; otherwise, false.
Notes to Inheritors
The initial implementation is empty.
Windows Phone OS
Supported in: 8.1, 8.0, 7.1, 7.0