backStep canAddPoint cancel click Create draw initialize m_freehand MgCmdDrawSplines mouseHover Name release touchBegan touchEnded touchMoved ~MgCmdDrawSplines

initialize() bool MgCmdDrawSplines::initialize ( const MgMotion *  sender, MgStorage *  s  ) privatevirtual 开始命令 重载 MgCommandDraw . 函数调用图: 这是这个函数的调用关系图: