請問各位,    在主Form的FormStyle設為fsMDIForm, Child Form的FormStyle設為fsMDIChild; 在menu元件,用一個重疊顯示, 一個水平顯非顯示, 一個垂直非重疊顯示 在重疊顯示部份,卻發生編譯錯誤. 我少掉什麼設定了嗎? 請各位指導!    編譯時,出現的錯誤訊息: E2314 Call of nonfunction     

       return;
    }
  }      TChildForm *Child;
  Child = new TChildForm(Application);
  Child->Caption = Name;
}
//---------------------------------------------------------------------------
//開啟Port Manger畫面,來開啟COM Port及設定組態值
void __fastcall TMainForm::OpenPortClick(TObject *Sender)
{
  CreateMDIChild("COM" IntToStr(MDIChildCount));
}
//---------------------------------------------------------------------------
//結束程式
void __fastcall TMainForm::ExitClick(TObject *Sender)
{
  Close();
}
//---------------------------------------------------------------------------
//子視窗重疊顯示
void __fastcall TMainForm::CascadeClick(TObject *Sender)
{
  //Cascade();
}
//---------------------------------------------------------------------------
//子視窗水平非重疊顯示
void __fastcall TMainForm::TileHorizontallyClick(TObject *Sender)
{
  TileMode = tbHorizontal;
  Tile();
}
//---------------------------------------------------------------------------
//子視窗垂直非重疊顯示
void __fastcall TMainForm::TileVerticallyClick(TObject *Sender)
{
  TileMode = tbVertical;
  Tile();
}
//---------------------------------------------------------------------------
//檢示使用手冊
void __fastcall TMainForm::HelpManualClick(TObject *Sender)
{
  //施工中...
}
//---------------------------------------------------------------------------
//顯示版本資訊
void __fastcall TMainForm::AboutClick(TObject *Sender)
{
  AboutBox->ShowModal();
}
//---------------------------------------------------------------------------