Name 

Description 

 

class function HasSubFolders(const pItemIdList: IItemIdList; const pFileSystemOnly: boolean): boolean; 

Determines if the ItemIdList has subfolders.  

 

class function IsFileAndFolder(const pItemIdList: IItemIdList): boolean; 

Determines if the passed ItemIdList is both a folder but also has an associated stream, such as for zip-files.  

 

class function IsNullOrInvalid(const pItemIdList: IItemIdList): boolean; 

Determines if the ItemIdList is not assigned or invalid.  

 

class function SupportsIShellFolder2(const pItemIdList: IItemIdList): boolean; 

Determines if the passed ItemIdList supports IShellFolder and IShellFolder2. This is needed for certain operations, like retrieving columns.