在mfc里的签名如下
AFX_SAM_IMPORT long SAM_LoadTemplate(wchar_t* szTemplate);
在c# wchar_t* szTemplate 该怎么写
[DllImport("LaserTool.dll", EntryPoint = "SAM_LoadTemplate", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)] public static extern Int32 SAM_LoadTemplate(这个怎么写);