/// <summary>
/// Adjust the scrollbar of the panel on html element by the given id.<br/>
/// The top of the html element rectangle will be at the top of the panel, if there
/// is not enough height to scroll to the top the scroll will be at maximum.<br/>
/// </summary>
/// <param name="elementId">the id of the element to scroll to</param>
public void ScrollToElement(string elementId)
{
ArgChecker.AssertArgNotNullOrEmpty(elementId, "elementId");
if (_htmlContainer != null)
{
var rect = _htmlContainer.GetElementRectangle(elementId);
if (rect.HasValue)
{
UpdateScroll(Point.Round(rect.Value.Location));
_htmlContainer.HandleMouseMove(this, new MouseEventArgs(MouseButtons, 0, MousePosition.X, MousePosition.Y, 0));
}
}
}
/// <summary>
/// Get the rectangle of html element as calculated by html layout.<br/>
/// Element if found by id (id attribute on the html element).<br/>
/// Note: to get the screen rectangle you need to adjust by the hosting control.<br/>
/// </summary>
/// <param name="elementId">the id of the element to get its rectangle</param>
/// <returns>the rectangle of the element or null if not found</returns>
public virtual RectangleF?GetElementRectangle(string elementId)
{
return(_htmlContainer != null?_htmlContainer.GetElementRectangle(elementId) : null);
}
