/// <summary>
/// Push item
/// </summary>
/// <param name="item">History item</param>
public void PushItem(SimcaGraphZoomHistoryItem item)
{
SimcaGraphZoomHistoryItem newItem = new SimcaGraphZoomHistoryItem();
newItem = item.Clone();
_graphZoomHistory.Add(newItem);
}
/// <summary>
/// Clone
/// </summary>
/// <returns>clone instance</returns>
public SimcaGraphZoomHistoryItem Clone()
{
SimcaGraphZoomHistoryItem item = new SimcaGraphZoomHistoryItem();
item.MinX = this.MinX;
item.MaxX = this.MaxX;
item.MinY = this.MinY;
item.MaxY = this.MaxY;
return(item);
}
/// <summary>
/// Pop item
/// </summary>
/// <param name="item">History item</param>
/// <returns>T=Success F=Failure</returns>
public bool PopItem(out SimcaGraphZoomHistoryItem item)
{
if (_graphZoomHistory.Count() == 0)
{
item = null;
return(false);
}
SimcaGraphZoomHistoryItem lastItem = _graphZoomHistory.Last();
item = lastItem.Clone();
_graphZoomHistory.Remove(lastItem);
return(true);
}