if(PreViewFlag){PreViewFlag=false;KillTimer(1);InvalidateRect(m_rectFrame,false);OnPaint();if(m_hBmp){CFileDialogdlgFile(FALSE);//TRUEforFileOpen,FALSEforFileSaveAsdlgFile.m_ofn.lpstrFilter="SaveFile(*.bmp)\0*.bmp\0";dlgFile.m_ofn.lpstrTitle="SaveBitmapFileName";i