private OnChartMouseWheel ( object sender, MouseEventArgs e ) : void | ||
sender | object | |
e | MouseEventArgs | |
return | void |
private void OnChartMouseWheel(object sender, MouseEventArgs e)
{
if (e.Delta > 0)
ZoomIn(e.Delta / 20);
else
ZoomOut(-e.Delta / 20);
Invalidate();
}