Don't crash if NULL is passed as the class list to OpenThemeData().

2005-07-12 16:59:20 +00:00 · 2005-07-12 16:59:20 +00:00 · 0bd04866e8
parent 6aa0cc5e3c
commit 0bd04866e8
1 changed files with 2 additions and 0 deletions
--- a/dlls/uxtheme/system.c
+++ b/dlls/uxtheme/system.c
@ -330,6 +330,8 @@ HTHEME WINAPI OpenThemeData(HWND hwnd, LPCWSTR pszClassList)
    if(!pszUseClassList)
        pszUseClassList = pszClassList;

+    if (!pszClassList) return NULL;
+    
    hTheme = MSSTYLES_OpenThemeClass(pszAppName, pszUseClassList);
    if(IsWindow(hwnd))
        SetPropW(hwnd, MAKEINTATOMW(atWindowTheme), hTheme);