1 files changed, 3 insertions, 3 deletions
diff --git a/c/win.h b/c/win.h
index 8329f68..1e09c1f 100644
--- a/c/win.h
+++ b/c/win.h
@@ -133,14 +133,14 @@ inline BOOL SetWindowRect(const HWND hWnd, const RECT r)
  * uxtheme.dll exists, and otherwise do nothing. */
 inline BOOL EBIsThemeActive()
 {
-	extern BOOL (*IsThemeActive)();
+	extern BOOL (__stdcall *IsThemeActive)();
 	return IsThemeActive? IsThemeActive(): 0;
 }
 
-inline BOOL EBSetWindowTheme(const HWND hWnd, const wchar_t* const pszSubAppName,
+inline HRESULT EBSetWindowTheme(const HWND hWnd, const wchar_t* const pszSubAppName,
     const wchar_t* const pszSubIdList)
 {
-	extern BOOL (*SetWindowTheme)(HWND, const wchar_t*, const wchar_t*);
+	extern HRESULT (__stdcall *SetWindowTheme)(HWND, const wchar_t*, const wchar_t*);
 	return SetWindowTheme? SetWindowTheme(hWnd, pszSubAppName, pszSubIdList): 0;
 }