Add winproxy.MessageBox[AW]

ctypes_generation/definitions/winfunc.txt

@@ -1632,4 +1632,20 @@ BOOL WINAPI UpdateProcThreadAttribute(
 
 VOID WINAPI DeleteProcThreadAttributeList(
   _Inout_ LPPROC_THREAD_ATTRIBUTE_LIST lpAttributeList
-);
+);
+
+
+INT WINAPI MessageBoxA(
+  _In_opt_ HWND    hWnd,
+  _In_opt_ LPCSTR lpText,
+  _In_opt_ LPCSTR lpCaption,
+  _In_     UINT    uType
+);
+
+
+INT WINAPI MessageBoxW(
+  _In_opt_ HWND    hWnd,
+  _In_opt_ LPWSTR lpText,
+  _In_opt_ LPWSTR lpCaption,
+  _In_     UINT    uType
+);

windows/winproxy.py

@@ -1311,6 +1311,14 @@ def WindowFromPoint(Point):
 def GetWindowRect(hWnd, lpRect):
     return GetWindowRect.ctypes_function(hWnd, lpRect)
 
+@User32Proxy("MessageBoxA")
+def MessageBoxA(hWnd=0, lpText=NeededParameter, lpCaption=None, uType=0):
+    return MessageBoxA.ctypes_function(hWnd, lpText, lpCaption, uType)
+
+@User32Proxy("MessageBoxW")
+def MessageBoxW(hWnd=0, lpText=NeededParameter, lpCaption=None, uType=0):
+    return MessageBoxW.ctypes_function(hWnd, lpText, lpCaption, uType)
+
 # ## Version stuff ## #
 
 @VersionProxy("GetFileVersionInfoA")