diff --git a/src/DearImGui.hs b/src/DearImGui.hs
index f608843..3f3e8d3 100644
--- a/src/DearImGui.hs
+++ b/src/DearImGui.hs
@@ -226,6 +226,7 @@ module DearImGui
   , treeNode
   , treePush
   , Raw.treePop
+  , setNextItemOpen
 
     -- ** Selectables
   , selectable
@@ -1546,6 +1547,9 @@ treePush :: MonadIO m => Text -> m ()
 treePush label = liftIO do
   Text.withCString label Raw.treePush
 
+-- | Wraps @ImGui::SetNextItemOpen()@.
+setNextItemOpen :: MonadIO m => Bool -> m ()
+setNextItemOpen is_open = Raw.setNextItemOpen (bool 0 1 is_open)
 
 -- | Wraps @ImGui::Selectable()@ with default options.
 selectable :: MonadIO m => Text -> m Bool
diff --git a/src/DearImGui/Raw.hs b/src/DearImGui/Raw.hs
index 89ed760..24b00c7 100644
--- a/src/DearImGui/Raw.hs
+++ b/src/DearImGui/Raw.hs
@@ -185,6 +185,7 @@ module DearImGui.Raw
   , treeNode
   , treePush
   , treePop
+  , setNextItemOpen
 
     -- ** Selectables
   , selectable
@@ -1233,6 +1234,11 @@ treePop = liftIO do
   [C.exp| void { TreePop() } |]
 
 
+-- | Wraps @ImGui::SetNextItemOpen()@.
+setNextItemOpen :: (MonadIO m) => CBool -> m ()
+setNextItemOpen is_open = liftIO do
+  [C.exp| void { SetNextItemOpen($(bool is_open)) } |]
+
 -- -- | Wraps @ImGui::Selectable()@.
 -- selectable :: (MonadIO m) => CString -> m Bool
 -- selectable labelPtr = liftIO do