On 04/23/14 02:20, Shuai Meng wrote:

--- a/dlls/vbscript/global.c
+++ b/dlls/vbscript/global.c
@@ -557,8 +557,41 @@ static HRESULT Global_IsNull(vbdisp_t *This, VARIANT *arg, unsigned args_cnt, VA
 
 static HRESULT Global_IsNumeric(vbdisp_t *This, VARIANT *arg, unsigned args_cnt, VARIANT *res)
 {
-    FIXME("\n");
-    return E_NOTIMPL;
+    TRACE("(%s)\n", debugstr_variant(arg));
+
+    assert(args_cnt == 1);
+
+    if(res) {
+        V_VT(res) = VT_BOOL;

You can't assume that res is non-NULL.