'宣言
 
Public Shared Function CreateWindowEx( _
   ByVal dwExStyle As UInteger, _
   ByVal className As String, _
   ByVal windowName As String, _
   ByVal dwStyle As UInteger, _
   ByVal x As Integer, _
   ByVal y As Integer, _
   ByVal nWidth As Integer, _
   ByVal nHeight As Integer, _
   ByVal hWndParent As IntPtr, _
   ByVal hMenu As IntPtr, _
   ByVal hInstance As IntPtr, _
   ByVal param As IntPtr _
) As IntPtr