重绘后，文字重叠

OnInitialDialog中 

GetDlgItem(IDC_STATIC99)->GetWindowRect ( &m_Rect_82 );

ScreenToClient ( &m_Rect_82 );

如果有线程 

在线程中 

dlg->SetDlgItemTextA(IDC_STATIC99,strd);

dlg->InvalidateRect(&m_Rect_82,true);