<PackageReference Include="NETStandard.Library" Version="2.0.0-preview1-25301-01" />
System.Threading.SynchronizationContext
protected static int WaitHelper(
IntPtr[]
waitHandles,
bool waitAll,
int millisecondsTimeout)
public virtual int Wait(
IntPtr[]
waitHandles,
bool waitAll,
int millisecondsTimeout)