Syswow64ApiProxy now handle None from OptionalExport

windows/syswow64.py

@@ -218,9 +218,13 @@ class Syswow64ApiProxy(object):
     def __init__(self, winproxy_function):
         self.winproxy_function = winproxy_function
         self.raw_call = None
-        self.params_name = [param[1] for param in winproxy_function.params]
+        if winproxy_function is not None:
+            self.params_name = [param[1] for param in winproxy_function.params]
 
     def __call__(self, python_proxy):
+        # handle winproxy_function is None (OptionalExport)
+        if self.winproxy_function is None:
+            return None
         def perform_call(*args):
             if len(self.params_name) != len(args):
                 print("ERROR:")
@@ -238,6 +242,7 @@ class Syswow64ApiProxy(object):
         return python_proxy
 
 
+
 @Syswow64ApiProxy(winproxy.NtCreateThreadEx)
 def NtCreateThreadEx_32_to_64(ThreadHandle=None, DesiredAccess=0x1fffff, ObjectAttributes=0, ProcessHandle=NeededParameter, lpStartAddress=NeededParameter, lpParameter=NeededParameter, CreateSuspended=0, dwStackSize=0, Unknown1=0, Unknown2=0, Unknown3=0):
     if ThreadHandle is None: