def getOverlayTransformTrackedDeviceComponent(self, ulOverlayHandle, pchComponentName, unComponentNameSize):
        """Gets the transform information when the overlay is rendering on a component."""

        fn = self.function_table.getOverlayTransformTrackedDeviceComponent
        punDeviceIndex = TrackedDeviceIndex_t()
        result = fn(ulOverlayHandle, byref(punDeviceIndex), pchComponentName, unComponentNameSize)
        return result, punDeviceIndex