def slideHorizontally(self, colAdjust):

        self.startPosn[1] += colAdjust
        self.endPosn[1] += colAdjust
        for block in self.contains:
            block.slideHorizontally(colAdjust)

    # -------------------------------------------------------------------------
Set a bunch of item properties. Handles multi-level props suchs
dataset/ETHPy150Open sahana/eden/modules/s3db/survey.py/survey_LayoutBlocks.slideHorizontally--crossover with--dataset/ETHPy150Open ohmu/poni/poni/core.py/Item.set_properties