X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7ba4fbebbc40bdf9c140f4c9ba9977fbf810527d..6c34d0ede9d6f7086896a1e4467091f0360846de:/src/msw/dc.cpp

diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp
index 0598c60773..1863a0d1da 100644
--- a/src/msw/dc.cpp
+++ b/src/msw/dc.cpp
@@ -200,10 +200,15 @@ wxDC::~wxDC()
         }
         else // we don't own our HDC
         {
-            // this is not supposed to happen as we can't free the HDC then
-            wxCHECK_RET( m_canvas, _T("no canvas in not owning ~wxDC?") );
-
-            ::ReleaseDC(GetHwndOf(m_canvas), GetHdc());
+            if (m_canvas)
+            {
+                ::ReleaseDC(GetHwndOf(m_canvas), GetHdc());
+            }
+            else
+            {
+                // Must have been a wxScreenDC
+                ::ReleaseDC((HWND) NULL, GetHdc());
+            }
         }
     }
 }