TdxCustomShellListView Class

The base class for the Shell List View control.

Declaration

TdxCustomShellListView = class(
    TdxCustomListView,
    IDropTarget,
    IcxShellDependedControls,
    IcxShellRoot
)

Remarks

Shell List View is a List View control version designed to display Windows Shell content. The TdxCustomShellListView class implements base Shell List View functionality.

VCL Editors Library: A Shell List View Example

Main API Members

The list below outlines key members of the TdxCustomShellListView class. These members allow you to configure the Shell List View control.

Appearance Settings

ThumbnailOptions: Provides access to thumbnail display settings.
ViewStyle: Allows you to switch between item display modes.
ViewStyleIcon | ViewStyleList | ViewStyleReport | ViewStyleSmallIcon: Provide access to appearance settings specific to corresponding item display modes.

Behavior and User Interaction APIs

AllowDragDrop: Specifies if OLE drag-and-drop operations are enabled.
OnCompare: Allows you to implement a custom sort algorithm for shell items.
MultiSelect: Specifies if users can select multiple shell items simultaneously.
OnExecuteItem: Allows you to prevent execution of applications associated with certain file types when a user attempts to open a file.
OnShellChange: Allows you to respond to external changes in Windows Shell.

Note
The OnShellChange event occurs only if the ShellOptions.TrackShellChanges property is set to True (default).
OnSortCompleted: Allows you to respond to sort operations.
OnViewChanged: Allows you to respond to item display mode changes.
SelectAll | ClearSelection: Select and deselect all displayed shell items.
SelectedFilePaths: Returns paths to selected shell items.
Sort: Sorts displayed shell items.
Sorting: Specifies if sort operations are enabled.

FolderCount: Returns the number of displayed shell items accessible through the Folders property.
Folders: Provides indexed access to displayed shell items.
GroupIndex: Allows you to associate the Shell List View control with other shell controls.
OnAddFolder: Allows you to prevent certain shell items from appearing in the Shell List View control.
ShellOptions: Provides access to shell-related behavior settings.
ShellRoot: Allows you to configure shell root settings.
UpdateContent: Reloads displayed Windows Shell content.

BrowseParent: Navigates to the parent shell item.
OnBeforeNavigation | OnAfterNavigation | OnCurrentFolderChanged: Allow you to track shell navigation operations.
Path: Allows you to navigate to any accessible shell folder.

General-Purpose API Members

Assign: Copies settings between Shell List View controls.
BeginUpdate | EndUpdate: Allow you to avoid excessive redraw operations during batch state and setting changes and improve application performance.