An apparatus and method for using a generalized windows split bar and tab bar library in a conferencing system handles windows display functions in order to free application programs from having to include such functionality. The split bar library is responsible for positioning a split bar window separating...http://www.google.com.hk/patents/US5559946?utm_source=gb-gplus-share專利 US5559946 - Method and apparatus for adding a new tab to a tab bar window
