JamItemIdList.TItemIdListHelper

Helper class for ItemIdLists.

Syntax

Pascal

TItemIdListHelper = class;

Remarks

We're dealing with IItemIdLists throughout ShellBrowser. This class avoids the need to extend the interface for every helper method. Also there are no extensions for interfaces.

Namespace

JamItemIdList

TItemIdListHelper Methods

	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.

Links

JamItemIdList, Legend, Members, TItemIdListHelper Methods

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