TpTrayUtility.Components.ImageViewPort.UndoLastAction C# (CSharp) Method

		public void UndoLastAction()
		{
			if (_allPainting.Count > 0)
			{
				if (_allPainting[_allPainting.Count - 1].CanUndo())
				{
					if (SelectedPrimitive == _allPainting[_allPainting.Count - 1])
					{
						ResetSelectedPrimitive();
					}
					_redoStack.Add(_allPainting[_allPainting.Count - 1]);
					_allPainting.RemoveAt(_allPainting.Count - 1);
				}
			}
			Invalidate();
			Select();
		}