diff --git a/src/Perspex.SceneGraph/VisualTree/IVisual.cs b/src/Perspex.SceneGraph/VisualTree/IVisual.cs
index 2cad9cf757..904d6529fe 100644
--- a/src/Perspex.SceneGraph/VisualTree/IVisual.cs
+++ b/src/Perspex.SceneGraph/VisualTree/IVisual.cs
@@ -85,6 +85,11 @@ namespace Perspex.VisualTree
///
int ZIndex { get; set; }
+ ///
+ /// Invalidates the visual and queues a repaint.
+ ///
+ void InvalidateVisual();
+
///
/// Renders the scene graph node to a .
///