MFC父窗口上动态创建对话框出错

m_dlgFlash=new CMyPlayerDlg();
m_dlgFlash->Create(IDD_MYPLAYER_DLG,this);

if (!m_wndView.Create(NULL, NULL, /*AFX_WS_DEFAULT_VIEW*/WS_CHILD | WS_VISIBLE , CRect(0, 0, 0, 0), this, AFX_IDW_PANE_FIRST, NULL))
{
    TRACE0("未能创建视图窗口\n");
    return -1;
}