mshtml: Added IHTMLCurrentStyle::overflowX implementation.

dlls/mshtml/htmlcurstyle.c

@@ -781,8 +781,8 @@ static HRESULT WINAPI HTMLCurrentStyle_get_accelerator(IHTMLCurrentStyle *iface,
 static HRESULT WINAPI HTMLCurrentStyle_get_overflowX(IHTMLCurrentStyle *iface, BSTR *p)
 {
     HTMLCurrentStyle *This = impl_from_IHTMLCurrentStyle(iface);
-    FIXME("(%p)->(%p)\n", This, p);
-    return E_NOTIMPL;
+    TRACE("(%p)->(%p)\n", This, p);
+    return get_nsstyle_attr(This->nsstyle, STYLEID_OVERFLOW_X, p, 0);
 }
 
 static HRESULT WINAPI HTMLCurrentStyle_get_overflowY(IHTMLCurrentStyle *iface, BSTR *p)

dlls/mshtml/tests/style.c

@@ -2904,6 +2904,11 @@ static void test_current_style(IHTMLCurrentStyle *current_style)
     ok(!strcmp_wa(str, "none"), "styleFloat = %s\n", wine_dbgstr_w(str));
     SysFreeString(str);
 
+    hres = IHTMLCurrentStyle_get_overflowX(current_style, &str);
+    ok(hres == S_OK, "get_overflowX failed: %08x\n", hres);
+    ok(!strcmp_wa(str, "hidden"), "overflowX = %s\n", wine_dbgstr_w(str));
+    SysFreeString(str);
+
     current_style2 = get_current_style2_iface((IUnknown*)current_style);
 
     b = 100;