When I create an application, use naviframe object, the naviframe title background color is default, as same as theme color, it is #0050b3, now i want to change this theme color , change the naviframe title background color, from default color to #ff0000. i use code follow, but it does not work : edc file: group { name: “custom”; parts { part { name: “title_bg”; type: RECT; scale: 1; description { state: “default” 0.0; min: 1 100; align: 0.0 0.0; fixed: 0 1; rel1 { relative: 0.0 0.0; } rel2 { relative: 1.0 1.0; } color: NAVIFRAME_TITLE_BG_COLOR_INC; } } } .c file: elm_theme_extension_add(NULL,”/opt/usr/apps/org.tizen.myapp/res/edje/myapp.edj”); Evas_Object* nf=elm_naviframe_add(ad->conform); elm_naviframe_item_push(nf,”test”,NULL,NULL,NULL,NULL); elm_object_style_set(nf, “title_bg”); elm_object_content_set(ad->conform,nf); I just want to change theme color, change naviframe title background color, not use the default color. Can anyone help me? thanks.