X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7ec698211d5d82a009ac80fb354059e9af497508..6eae1f7d48196dea9968c8e478f28a4166bd0fe9:/src/os2/slider.cpp

diff --git a/src/os2/slider.cpp b/src/os2/slider.cpp
index 20d589fe72..57f0e770c2 100644
--- a/src/os2/slider.cpp
+++ b/src/os2/slider.cpp
@@ -812,8 +812,10 @@ void wxSlider::GetPosition(
         vPoint.x -= vPt.x;
         vPoint.y -= vPt.y;
     }
-    *pnX = vPoint.x;
-    *pnY = vPoint.y;
+    if (pnX)
+        *pnX = vPoint.x;
+    if (pnY)
+        *pnY = vPoint.y;
 } // end of wxSlider::GetPosition
 
 int wxSlider::GetSelEnd() const