static extern int WideCharToMultiByte(uint CodePage, uint dwFlags,

static extern int WideCharToMultiByte(uint CodePage, uint dwFlags,

iNewDataLen = WideCharToMultiByte(CP_ACP, 0, strData, strData.Length, null, 0, IntPtr.Zero, out bDefaultChar);

iNewDataLen = WideCharToMultiByte(CP_ACP, 0, strData, strData.Length, byNewData, iNewDataLen, IntPtr.Zero, out bDefaultChar);