| private _MouseWheelEvent ( Object sender, System.Windows.Input.MouseWheelEventArgs e ) : void | ||
| sender | Object | |
| e | System.Windows.Input.MouseWheelEventArgs | |
| return | void | |
private void _MouseWheelEvent(Object sender, MouseWheelEventArgs e)
{
try
{
Canvas _plotarea = (Canvas)sender;
Canvas _graph = (Canvas)_plotarea.Parent;
plotData _plotData = getPlotData((string)_graph.Tag);
if (null == _plotData.scaleArea && !mouseScrollX && !mouseScrollY)
{
posDown.X = _plotarea.ActualWidth;
posDown.Y = _plotarea.ActualHeight;
posUp.X = _plotarea.ActualWidth;
posUp.Y = _plotarea.ActualHeight;
if (e.Delta > 0)
{
posDown.X *= -0.05;
posDown.Y *= -0.05;
posUp.X *= 1.05;
posUp.Y *= 1.05;
}
else if (e.Delta < 0)
{
posDown.X *= 0.05;
posDown.Y *= 0.05;
posUp.X /= 1.05;
posUp.Y /= 1.05;
}
plotSeries(_graph, _plotData, eZoom.TRUE, eRescale.FALSE);
}
}
catch (Exception ex)
{
Utilities.OnError(Utilities.GetCurrentMethod(), ex);
}
}