/// <summary>TODO</summary>
/// <param name="e"></param>
protected virtual void OnMouseHWheel(MouseEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
if (!AutoScroll)
{
return;
}
_wheelHPos += e.Delta;
while (_wheelHPos > MouseWheelStep)
{
ScrollHorizontal(MouseWheelStep);
_wheelHPos -= MouseWheelStep;
}
while (_wheelHPos < -MouseWheelStep)
{
ScrollHorizontal(-MouseWheelStep);
_wheelHPos += MouseWheelStep;
}
if (MouseHWheel != null)
{
MouseHWheel.Raise(this, e);
}
}
private int _wheelHPos = 0; //!< <summary>Unapplied horizontal scroll.</summary>
/// <summary>Scrolls horizontally and raises the MouseHWheel event</summary>
/// <param name="e"></param>
protected virtual void OnMouseHWheel(MouseWheelEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
if (this.CanContentScroll)
{
ScrollToHorizontalOffset(HorizontalOffset + e.Delta);
if (MouseHWheel != null)
{
MouseHWheel.Raise(this, e);
}
}
}