X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9787a4b6ad61ad6f938c308069fabf45057af30f..79c3b7b216a5fc6b105acb49690e5b4e626080e2:/src/msw/app.cpp?ds=inline

diff --git a/src/msw/app.cpp b/src/msw/app.cpp
index a0c1e2cda0..378dccbe3e 100644
--- a/src/msw/app.cpp
+++ b/src/msw/app.cpp
@@ -115,8 +115,7 @@
     #define _WIN32_IE 0x0200
 #endif
 
-#if _WIN32_IE >= 0x0300 \
-    && !( defined(__MINGW32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
+#if _WIN32_IE >= 0x0300 && !defined(__MINGW32__)
     #include <shlwapi.h>
 #endif
 
@@ -1156,12 +1155,12 @@ bool wxApp::ProcessMessage(WXMSG *wxmsg)
         // we need to find the dialog containing this control as
         // IsDialogMessage() just eats all the messages (i.e. returns TRUE for
         // them) if we call it for the control itself
-        while ( ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
+        while ( hwnd && ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
         {
             hwnd = ::GetParent(hwnd);
         }
 
-        return ::IsDialogMessage(hwnd, msg) != 0;
+        return hwnd && ::IsDialogMessage(hwnd, msg) != 0;
     }
 
 #if wxUSE_TOOLTIPS