第三種作法, 只用IntPtr做參照, 要取值再個別呼叫

3.cpp

PLUGIN_DLL_API const Data* GamePlayer_GetBattleReportBaseInfo(const uint32 mail_id) {   ...  }

PLUGIN_DLL_API uint32 Repo_ReportID(Data *Dta) { return Dta->id; }
PLUGIN_DLL_API uint32 Repo_ReportTime(Data *Dta) { return Dta->time; }
PLUGIN_DLL_API uint16 Repo_Type(Data *Dta) { return Dta->type; }

3.cs

public abstract class ReportBase //ReportHandle : ReportBase
{
  #region DllImport
  [DllImport(SysPluginBase.PlatformDllName)]
  private static extern UInt32 Repo_ReportID(HandleRef Dta);
  [DllImport(SysPluginBase.PlatformDllName)]
  private static extern UInt32 Repo_ReportTime(HandleRef Dta);
  [DllImport(SysPluginBase.PlatformDllName)]
  private static extern UInt16 Repo_Type(HandleRef Dta);
  #endregion

  bool IsSetted = false;
  protected HandleRef _handle;

  public ReportBase(IntPtr Ptr)
  {
    if (Ptr == System.IntPtr.Zero)
      return;
    _handle = new HandleRef(this, Ptr);
    IsSetted = true;
  }

  #region api
  public UInt32 ID { get { return (IsSetted) ? Repo_ReportID(_handle) : 0; } }
  public UInt32 Time { get { return (IsSetted) ? Repo_ReportTime(_handle) : 0; } }
  public UInt16 Type { get { return (IsSetted) ? Repo_Type(_handle) : 0; } }
  #endregion

};