/// <summary>
/// Method to set the ScrollbarInfo, if we can get it
/// </summary>
/// <param name="forceUpdate">set to true to force an update, default is false</param>
/// <returns>ScrollBarInfo?</returns>
public ScrollBarInfo?GetScrollbarInfo(bool forceUpdate = false)
{
// Prevent updates, if there is already a value
if (ScrollBar.HasValue && !forceUpdate)
{
return(ScrollBar);
}
var objectId = ObjectIdentifiers.Client;
switch (ScrollBarType)
{
case ScrollBarTypes.Control:
objectId = ObjectIdentifiers.Client;
break;
case ScrollBarTypes.Vertical:
objectId = ObjectIdentifiers.VerticalScrollbar;
break;
case ScrollBarTypes.Horizontal:
objectId = ObjectIdentifiers.HorizontalScrollbar;
break;
}
var scrollbarInfo = ScrollBarInfo.Create();
var hasScrollbarInfo = User32Api.GetScrollBarInfo(ScrollBarWindow.Handle, objectId, ref scrollbarInfo);
if (!hasScrollbarInfo)
{
var error = Win32.GetLastErrorCode();
Log.Verbose().WriteLine("Error retrieving Scrollbar info : {0}", Win32.GetMessage(error));
return(null);
}
ScrollBar = scrollbarInfo;
return(scrollbarInfo);
}
