内存泄露

Dumping objects ->
{147} client block at 0x00405D30, subtype c0, 188 bytes long.
f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\dumpcont.cpp(23) : atlTraceGeneral - a CMainLifeDlg object at $00405D30, 188 bytes long

{146} client block at 0x00408D68, subtype c0, 192 bytes long.

非模态对话框没有delete this;将会出现这种内存泄露

void CMainDlg::PostNcDestroy()
{
//delete this;
CDialogEx::PostNcDestroy();
}