Gets the position at which to insert the element..
![](../icons/collapse_all.gif)
![](../icons/collapse_all.gif)
The position at which to insert the element.
![](../icons/collapse_all.gif)
If this is an
INSERToperation, this method returns the position in the container where the element is to be inserted (the first position is position 0).
If this is an
ADD,
REMOVEor
REMOVE WITH PREFIXoperation, the method throws an InvalidOperationException.