public bool EmptyFolder(
	FolderId id,
	bool deleteSubFolders
)

Public Function EmptyFolder ( 
	id As FolderId,
	deleteSubFolders As Boolean
) As Boolean

Parameters

id

Type: FolderId
The ID of the folder to empty. Null reference (Nothing in Visual Basic) not allowed.

deleteSubFolders

Type: SystemBoolean
If true, sub-folders will be deleted as well as items in the folder itself. Otherwise, only items in the folder itself will be deleted.

Return Value

To empty a folder by its name, first locate its ID with FindFolderIdByShortName(FolderId, String) or FindFolderIdByFullName(String) method.

To control how items are deleted (e.g. to Trash or permanently), use DeleteMethod property.

Note
This method is not implemented in .NET Core. Use EmptyFolderAsync(FolderId, Boolean) instead.

Reference