Adds a UserCellGroup to the current collection.

Assigns (copies) properties from another RenderObject to the current object.

Removes all objects from the CollectionBase instance. This method cannot be overridden.

Finds all user cell groups (objects of type UserCellGroup) that contain the cell at the specified row and column indices.

Returns an enumerator that iterates through the CollectionBase instance.

Gets the bounding rectangle that includes all cells in all groups in the current collection.

Removes the element at the specified index of the CollectionBase instance. This method is not overridable.