question: protected void paintContentBorderBottomEdge ( Graphics g , int x , int y , int w , int h , boolean drawBroken , Rectangle selRect , boolean isContentBorderPainted ) { if ( isContentBorderPainted ) { g . setColor ( darkShadow ) ; g . fillRect ( x , y + h - 1 , w - 1 , 1 ) ; } }
target:  Draws the bottom edge of the Border around the content area. Draw broken line if selected tab is visible and adjacent to content and TabPlacement is same as painted edge.