winform控件縮寫（六）元件
| 序号 | 縮寫 | 空間名 |
| 1 | bgw | BackgroundWorker |
| 2 | dre | DirectoryEntry |
| 3 | drs | DirectorySearcher |
| 4 | err | ErrorProvider |
| 5 | evl | EventLog |
| 6 | fsw | FileSystemWatcher |
| 7 | hlp | HelpProvider |
| 8 | img | ImageList |
| 9 | msq | MessageQueue |
| 10 | pfc | PerformanceCounter |
| 11 | prc | Process |
| 12 | spt | SerialPort |
| 13 | scl | ServiceController |
| 14 |
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