Flex 添加右键菜单

// 添加右键
			private function AddRightKeyMenu( ) : void {
				
				var rightMenu : ContextMenu = new ContextMenu( );  
				var keyPointMenu : ContextMenuItem = new ContextMenuItem( "获取当前经纬度" );  
				keyPointMenu.addEventListener( ContextMenuEvent.MENU_ITEM_SELECT,OnGetPointPos );  
				rightMenu.customItems.push( keyPointMenu );  
				rightMenu.hideBuiltInItems();
				map.contextMenu = rightMenu;
			}
			
			private function OnGetPointPos( event : ContextMenuEvent ) : void {
				
				var  mapPoint : MapPoint = this.map.toMapFromStage( event.mouseTarget.mouseX,event.mouseTarget.mouseY );
				if (mapPoint != null){
					var mapXY : String = mapPoint.x.toFixed(8) + "," + mapPoint.y.toFixed(8);
					System.setClipboard( mapXY );
				} 
			}