Method BlockDeleting
BlockDeleting(Rectangle, IRangeList, IComparer<IRange>)
Removes all ranges from specified region.
public virtual bool BlockDeleting(Rectangle rect, IRangeList list, IComparer<IRange> comparer)
Parameters
rectRectangleSpecifies rectangle to remove ranges from.
listIRangeListList to update.
comparerIComparer<IRange>Object that exposes a method to compare two objects.
Returns
- bool
 True if succeed; otherwise false.