[C# WinForm]在程式中開啟 檔案總管

EXPLORER.EXE [/n][/e][,/root,

/n:會針對每一個選取的項目，以單窗格 (我的電腦) 檢視方式開啟一個新視窗，
即使新視窗與已開啟的視窗重複
也一樣。

/e:會使用 Windows 檔案總管檢視。Windows 檔案總管檢視十分類似
Windows 3.x 版中的檔案管理員。請注意，預設檢視為
開啟檢視。

/root,

上層資料夾，並選取所指定的物件。

• "My Computer" highlighted in left side with all drives visible but not expanded and C: highlighted in right side: %SystemRoot%explorer.exe /e,/select,c:
• Desktop highlighted and nothing expanded: %SystemRoot%explorer.exe /e,/n,/select,/root,c:
• All drives visible and the system drive highlighted and expanded in full screen: %SystemRoot%explorer.exe /e,/select
• All drives visible and the system drive expanded in small screen: %SystemRoot%explorer.exe /e,/select,%systemroot%
• Only Windows Directory visible highlighted and expanded: %SystemRoot%explorer.exe /e,/root,%systemroot%
• All drives visible but only C: highlighted and expanded: %SystemRoot%explorer.exe /e,c:
• Nothing expanded and My Computer highlighted in right side: %SystemRoot%explorer.exe /n,/e,/select,
• Opens the Windows folder as a folder: %SystemRoot%explorer.exe %systemroot%
• Opens as "My Computer": %SystemRoot%explorer.exe %systemroot%,
• This opens the Desktop folder with "My Computer" highlighted: %SystemRoot%explorer.exe %systemroot%,/select,
• "Desktop" highlighted in the left side and no drives visible:
  %systemroot%explorer.exe /e,/root,::{20D04FE0-3AEA-1069-A2D8-08002B30309D},/select
• "My Computer" highlighted in left side and all drives visible but none expanded:
  %systemroot%explorer.exe /e,/root,::{20D04FE0-3AEA-1069-A2D8-08002B30309D}
• "Desktop" in left side highlighted and "My Computer" highlighted in right side and no drives visible:
  %systemroot%explorer.exe /e,/select,::{20D04FE0-3AEA-1069-A2D8-08002B30309D}

Reference:
在程式中開啟 檔案總管 （Using C#）
如何開啟檔案總管在想要的目錄.