protected internal override void onRestoreInstanceState(Bundle savedState)
 {
     base.onRestoreInstanceState(savedState);
     // restore the current data, for instance when changing the screen
     // orientation
     mDataset         = (XYMultipleSeriesDataset)savedState.getSerializable("dataset");
     mRenderer        = (XYMultipleSeriesRenderer)savedState.getSerializable("renderer");
     mCurrentSeries   = (XYSeries)savedState.getSerializable("current_series");
     mCurrentRenderer = (XYSeriesRenderer)savedState.getSerializable("current_renderer");
 }
	  protected internal override void onRestoreInstanceState(Bundle savedState)
	  {
		base.onRestoreInstanceState(savedState);
		// restore the current data, for instance when changing the screen
		// orientation
		mDataset = (XYMultipleSeriesDataset) savedState.getSerializable("dataset");
		mRenderer = (XYMultipleSeriesRenderer) savedState.getSerializable("renderer");
		mCurrentSeries = (XYSeries) savedState.getSerializable("current_series");
		mCurrentRenderer = (XYSeriesRenderer) savedState.getSerializable("current_renderer");
	  }
	  protected internal override void onRestoreInstanceState(Bundle savedState)
	  {
		base.onRestoreInstanceState(savedState);
		mSeries = (CategorySeries) savedState.getSerializable("current_series");
		mRenderer = (DefaultRenderer) savedState.getSerializable("current_renderer");
	  }
 protected internal override void onRestoreInstanceState(Bundle savedState)
 {
     base.onRestoreInstanceState(savedState);
     mSeries   = (CategorySeries)savedState.getSerializable("current_series");
     mRenderer = (DefaultRenderer)savedState.getSerializable("current_renderer");
 }