Modeless dialog

1. construct same as model

CModelessTest

2. 

pModelessTest = new CModelessTest;
 pModelessTest->Create(IDD_MODELESS,this);
 pModelessTest->ShowWindow(SW_SHOWNORMAL); 

3. derived the following functions:

void CModelessTest::PostNcDestroy()
{
 // TODO: Add your specialized code here and/or call the base class

 delete this;
}

BOOL CModelessTest::Create(UINT nID, CWnd* pParentWnd)
{
 // TODO: Add your specialized code here and/or call the base class

 return CDialog::Create(nID, pParentWnd);
}

void CModelessTest::OnOK()
{
 // TODO: Add your specialized code here and/or call the base class

CDialog::OnOK();

 DestroyWindow();
}