pMainForm = new CMainForm(); //创建主窗口类
		if (pMainForm->Create(IDD_DLG_MAIN, NULL) == FALSE)
		{
			delete pMainForm;
			pMainForm = NULL;
			return;
		}

		pMainForm->ShowWindow(SW_SHOW); //显示窗口

if (pMainForm)
			{
				//::DestroyWindow(pMainForm->m_hWnd); //MSDN:A thread cannot use DestroyWindow to destroy a window created by a different thread. 
				//pMainForm->DestroyWindow(); //--调用这个报错,只能在创建窗口的线程中调用
				//SendMessage(pMainForm->m_hWnd, WM_DESTROY, NULL, NULL);
				//_asm int 3
				delete pMainForm; //调用这个会异常
				pMainForm = NULL;
			}

  PUSH    EDI
  PUSH    0
  CALL    MFC42.#6581
  PUSH    DWORD PTR [ESI+20]
  MOV     ECX, EAX //EAX=0,异常开始了
  CALL    MFC42.#3848
  CMP     DWORD PTR [ESI+3C], 0
  MOV     EBX, EAX
  JNZ     SHORT MFC42.0AD56463
  PUSH    DWORD PTR [ESI+20]
  CALL DestroyWindow
  JMP     SHORT MFC42.0AD5646B

 
class CMainForm : public CDialog
{
// Construction
public:
	CMainForm(CWnd* pParent = NULL);   // standard constructor

// Dialog Data
	//{{AFX_DATA(CMainForm)
	enum { IDD = IDD_DLG_MAIN };
	CTabCtrl	m_MainTab;
	//}}AFX_DATA


// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CMainForm)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:

	// Generated message map functions
	//{{AFX_MSG(CMainForm)
	virtual BOOL OnInitDialog();
	afx_msg void OnSelchangeMainTab(NMHDR* pNMHDR, LRESULT* pResult);
	afx_msg void OnDestroy();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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