public PresentationSlideItem(int _index, string _value, Kernel.Application.SlideItemType _type)
     : this(_index, _type)
 {
     this.value = _value;
 }
 public PresentationSlideItem(int _index, Kernel.Application.SlideItemType _type)
     : this(_index)
 {
     this.type = _type;
 }