public virtual void AddBodyPart(FormBodyPart part)
 {
     if (part == null)
     {
         return;
     }
     this.parts.AddItem(part);
 }
 public virtual void AddPart(FormBodyPart bodyPart)
 {
     this.multipart.AddBodyPart(bodyPart);
     this.dirty = true;
 }
		public virtual void AddPart(FormBodyPart bodyPart)
		{
			this.multipart.AddBodyPart(bodyPart);
			this.dirty = true;
		}