_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

initialize() virtual bool MgCommand::initialize ( const MgMotion *  sender, MgStorage *  s  ) virtual 开始命令 在 MgCmdCompass, MgCmdDrawDot, MgCmdSector, MgCmdDrawBeeLine, MgCommandDraw, MgCmdDrawCircle3P, MgCmdDrawRayLine, MgCmdDrawLines, MgCmdDrawPolygon, MgCmdArc3P, MgCmdDrawSplines, MgCmdDrawLine, MgCmdErase, MgCmdDrawFreeLines, MgCmdDrawRect, MgCmdDrawCircle, MgCmdDrawDiamond, MgCmdDrawEllipse, MgCmdDrawGrid, MgCmdDrawSquare, MgCmdParallel , 以及 MgCmdDrawTriangle 内被实现. 这是这个函数的调用关系图: