diff --git a/crates/egui/src/memory.rs b/crates/egui/src/memory.rs
index db76f7e7c6a0..c18188679d05 100644
--- a/crates/egui/src/memory.rs
+++ b/crates/egui/src/memory.rs
@@ -487,6 +487,11 @@ impl Memory {
     pub fn reset_areas(&mut self) {
         self.areas = Default::default();
     }
+
+    /// Obtain the previous area rect of a window.
+    pub fn window_rect(&self, id: impl Into<id>) -> Option<Rect> {
+        self.areas.get(id).map(|state| state.rect())
+    }
 }
 
 /// ## Popups