diff --git a/examples/hello_world.rs b/examples/hello_world.rs
index 92396c5..8c7e9a6 100644
--- a/examples/hello_world.rs
+++ b/examples/hello_world.rs
@@ -28,6 +28,15 @@ fn hello_world<'a>(ui: &Ui<'a>) {
         .build(|| {
             ui.text(im_str!("Hello world!"));
             ui.text(im_str!("This...is...imgui-rs!"));
+           ui.combo3(im_str!("Sample combo"), &mut 1, |idx|{
+               println!("{} index closure", idx);
+                match idx {
+                    0 => "zero\0",
+                    1 => "one\0",
+                    2 => "two\0",
+                    _ => "three\0",
+                }
+            }, 3,2);
             ui.separator();
             let mouse_pos = ui.imgui().mouse_pos();
             ui.text(im_str!("Mouse Position: ({:.1},{:.1})", mouse_pos.0, mouse_pos.1));
diff --git a/src/lib.rs b/src/lib.rs
index 9903bdf..30d7f23 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -497,19 +497,40 @@ impl<'ui> Ui<'ui> {
     pub fn menu_item<'p>(&self, label: ImStr<'p>) -> MenuItem<'ui, 'p> { MenuItem::new(label) }
 }
 
+
+    extern "C" fn combo_item_getter(closure : *mut c_void, idx : c_int, out_text : *mut *const c_char)->bool{
+        let inner_closure : &mut &mut FnMut(i32)->&'static str = unsafe { mem::transmute(closure)};
+        unsafe{*out_text = inner_closure(idx).as_bytes().as_ptr() as *const c_char;}
+        //unsafe{*out_text = "orhan\0".as_bytes().as_ptr() as *const c_char;}
+        true
+    } 
 //Widgets: Combos 
 impl<'ui> Ui<'ui> {
-    pub fn combo<'p>(&self, label : ImStr<'p>, current_item :&mut i32, items : ImStr<'p>, height_in_items : i32) -> bool {
+    pub fn combo<'p>(&self, label : ImStr<'p>, current_item : &mut i32, items : &mut Vec<ImStr<'p>>, items_count : i32, height_in_items : i32) -> bool{
+        let items_inner : Vec<*const c_char> = items.into_iter().map(|item| item.as_ptr()).collect();
+        unsafe {
+            imgui_sys::igCombo(label.as_ptr(), current_item, items_inner.as_ptr() as *mut *const c_char, items_count, height_in_items)
+        }
+    }
+
+    pub fn combo2<'p>(&self, label : ImStr<'p>, current_item :&mut i32, items : ImStr<'p>, height_in_items : i32) -> bool {
         unsafe{
             imgui_sys::igCombo2(label.as_ptr(), current_item,  items.as_ptr(),  height_in_items)
         }
     }
+
+    pub fn combo3<'p, F>(&self, label : ImStr<'p>, current_item:&mut i32, mut items_getter : F, items_count : i32, height_in_items : i32) -> bool where F : FnMut(i32)->&'static str{
+        unsafe{
+            let callback : &mut FnMut(i32)->&'static str =  &mut items_getter;
+            imgui_sys::igCombo3(label.as_ptr(), current_item, combo_item_getter, callback as *mut _ as *mut c_void , items_count, height_in_items)
+        } 
+    }
 }
 //Widgets: ListBox
 impl<'ui> Ui<'ui> {
     pub fn list_box<'p>(&self, label : ImStr<'p>, current_item : &mut i32, items : &mut Vec<ImStr<'p>>, items_count : i32, height_in_items : i32)-> bool{
-        unsafe{
             let items_inner : Vec<*const c_char> = items.into_iter().map(|item| item.as_ptr()).collect();
+        unsafe{
             imgui_sys::igListBox(label.as_ptr(), current_item, items_inner.as_ptr() as *mut *const c_char,items_count, height_in_items)
         }
     }