问题现象:XE8开发数据访问程序时放入了FDPhysMSSQLDriverLink1、FDConnection1、FDConnection1、FDQuery1、DBGrid1,设计期没法,运行期报"Object factory for class{xx-xx-xx-xx-xx} is missing. To register it, you can drop component[TFDGUIxWaitCursor] into your project."。XE8开发数据访问程序时放入了FDPhysMSSQLDriverLink1、FDCo