Copies the items of this DrawingCollection, starting with the specified index value, into an array of Drawing objects.
public void CopyTo(
The array that is the destination of the items copied from this DrawingCollection.
The index at which copying begins.
array is null.
index is less than zero.
array is multidimensional.
The number of items in the source DrawingCollection is greater than the available space from index to the end of the destination array.
ICollection<T>.CopyToDrawingCollection ClassSystem.Windows.Media Namespace