/**
* Removes the cell comment, if present
*/
public virtual void removeComment()
{
// Set the comment string to be empty
comment = null;
// Remove the drawing from the drawing group
if (commentDrawing != null)
{
// do not call DrawingGroup.Remove() because comments are not present
// on the Workbook DrawingGroup record
writableCell.removeComment(commentDrawing);
commentDrawing = null;
}
}