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 IsNetworkPath(const pItemIdList: IItemIdList): Boolean; 

Checks if the provided ItemIdList is of a network path (mapped or UNC does not matter) 

 

class function IsNetworkPathReachable(const pItemIdList: IItemIdList; const pTimeout: Integer; const pCancellationIndicator: ICancellationIndicator = nil): Boolean; 

Checks if a given network path is accessible 

 

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

Determines if the ItemIdList is not assigned or invalid.  

 

class function IsUNCPath(const pItemIdList: IItemIdList): Boolean; 

Checks if the provided ItemIdList is of a UNC path 

 

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.  

 

class function TryGetSpecialFolder(const pItemIdList: IItemIdList; const pStopAfter: integer; var pFinished: Boolean; const pCancellationIndicator: ICancellationIndicator): TJamShellFolder; 

Asynchronously retrieves the SpecialFolder for an ItemIdList.  

 

class function TryHasSubFolders(const pItemIdList: IItemIdList; const pStopAfter: integer; const pFileSystemOnly: Boolean; var pFinished: Boolean; const pCancellationIndicator: ICancellationIndicator = nil): Boolean; 

Asynchronously determines if the ItemIdList has subfolders.  

 

class function TryIsInvalid(const pItemIdList: IItemIdList; const pStopAfter: integer; const pCancellationIndicator: ICancellationIndicator = nil): boolean; 

Asynchronously checks if the ItemIdList is valid. If the call is slow, returns true after a given timespan.  

 

class function TryReload(const pItemIdList: IItemIdList; const pStopAfter: integer; var pFinished: Boolean; const pCancellationIndicator: ICancellationIndicator = nil): boolean; 

Tries reloading the ItemIdList asynchronously giving the operation only a definable amount of time.  

 

class procedure WriteDebugInfo(const pItemIdList: IItemIdList; const pMessage: string); 

Outputs verbose info of the passed ItemIdList.