'Declaration
Friend Shared Function xptb( _ ByVal Yptb As NPromise(Of NUndefined) _ ) As NPromise(Of Boolean)
'Usage
Dim Yptb As NPromise(Of NUndefined) Dim value As NPromise(Of Boolean) value = NUndefined.xptb(Yptb)
internal static NPromise<bool> xptb( NPromise<NUndefined> Yptb )
Parameters
- Yptb