_name backStep cancel click doContextAction doubleClick draw drawAngleText drawAngleText gatherShapes getName getSelectedIDs getShape initialize initializeWithSelection isDrawingCommand isFloatingCommand longPress MgCommand MgCommand mouseHover release touchBegan touchEnded touchMoved twoFingersMove ~MgCommand

release() virtual void MgCommand::release ( ) pure virtual 销毁对象 在 MgCmdArcTan, MgCmdCompass, MgCmdDrawDot, MgCmdDrawBeeLine, MgCmdSelect, MgCmdArcCSE, MgCmdDrawRayLine, MgCmdDrawCircle3P, MgCmdDrawLines, MgCmdDrawPolygon, MgCmdDrawSplines, MgCmdDrawLine, MgCmdArc3P, MgCmdDrawRect, MgCmdErase, MgCmdDrawCircle, MgCmdDrawDiamond, MgCmdDrawEllipse, MgCmdDrawFreeLines, MgCmdDrawGrid, MgCmdDrawQuadrangle, MgCmdDrawSquare, MgCmdParallel , 以及 MgCmdDrawTriangle 内被实现. 这是这个函数的调用关系图: