Private Function GetScriptDescriptors ( _
    targetControl As Control _
) As IEnumerable(Of ScriptDescriptor) Implements IExtenderControl.GetScriptDescriptors

Dim instance As ExtenderControl
Dim targetControl As Control
Dim returnValue As IEnumerable(Of ScriptDescriptor)

returnValue = CType(instance, IExtenderControl).GetScriptDescriptors(targetControl)

IEnumerable<ScriptDescriptor> IExtenderControl.GetScriptDescriptors(
    Control targetControl
)

private:
virtual IEnumerable<ScriptDescriptor^>^ GetScriptDescriptors(
    Control^ targetControl
) sealed = IExtenderControl::GetScriptDescriptors

JScript does not support explicit interface implementations.