Control Base. Delete(Boolean) Method
Deletes a dynamically created content control from the document and removes it from the ControlCollection in the document.
public void Delete (bool deleteContent);
true to delete the contents of the control;
false to leave the contents of the control in the document.
The content control was added to the document at design time.
This method should only be used to delete a content control that is created programmatically at run time. An exception is thrown if you call this method on a content control that is added to the document at design time.