backStep cancel click Create draw getStep hitTest initialize isIntersectMode longPress m_boxsel m_delIds MgCmdErase Name release touchBegan touchEnded touchMoved

draw() bool MgCmdErase::draw ( const MgMotion *  sender, GiGraphics *  gs  ) privatevirtual 显示动态图形 实现了 MgCommand. 函数调用图: 这是这个函数的调用关系图: