TJamBaseShellListView Class

Base class for our listview based controls that implements basic features shared among all our listview controls.

Syntax

Pascal

TJamBaseShellListView = class(TCustomListView, IJamShellControl, ICheckBoxViewer, IDropTarget);

Intended for internal use only.

TJamBaseShellListView Class

	Name	Description
	Create	Creates an instances of a TJamBaseShellListView component
	Destroy	Destroys an instance of a TJamBaseShellListView component

	Name	Description
	ApplyCheckState	This is ApplyCheckState, a member of class ICheckBoxViewer.

IJamShellControl Interface

	Name	Description
	ShellLink	The TJamShellLink instance to which the current control connected.
	FileChanged	This method is called by the ShellLink instance if the currently selected item has changed.
	FullRefresh	This method indicates that the callee should perform a full refresh of its contents. This will usually be an entrie reload of the displyed items.
	getShellLink	Setter method for the ShellLink property.
	GoUp	This method indicates that the callee should go up one level and siplay the contents of the current folder's parent folder.
	PathChanged	This method is called by the ShellLink instance if the currently displayed folder has changed.
	SelectAll	This method indicates that the callee should select all item it currently displays.
	setShellLink	Getter method for the ShellLink property.
	SmartRefresh	This method indicates that the callee should perform a quick refresh of its contents. It is tolerable that changes in metadata are not detected. Removed and deleted items hsould be detected. The runtime of this method should be significantly faster thatn the one of the FullRefresh method.

TJamBaseShellListView Class

	Name	Description
	AutoSizeColumn	This has to be overwritten by the deriving class. Adjust the size of the given column so that it fills the remaining horizontal space.
	DoubleBuffered	Determines whether the control's image is rendered directly to the window or painted to an in-memory bitmap first.
	AutoAdjustColumnWidths	Auto adjust the widths of all columns.
	GetColumnOrderArray	Use this function to get an Array of Integers that contains the internal order of the columns. This is helpful if you changed the order during runtime and e.g. want to fill the subitems.
	GetColumnPosition	Returns the current column index for a given SHColumnId.
	GetDragImages	This is GetDragImages, a member of class TJamBaseShellListView.
	GetVisibleColumns	Use this function to get an array of currently visible columns.
	IsColumnVisible	Returns whether the given SHColumnId is currently visible or not.
	SetColumnVisibility	Set the visibility of a column.
	ShowBackgroundMenu	This has to be overwritten by the deriving class.
	ShowContextMenu	This is ShowContextMenu, a member of class TJamBaseShellListView.

TJamBaseShellListView Class

	Name	Description
	IconSpacing	Let's you control the spacing between the large icons and thumbnails. The small icons should not be affected by this property.
	OnCreateColumns	This event is triggered after the columns were created
	ParentFont	This is ParentFont, a member of class TJamBaseShellListView.
	ReadOnly	Prevents operations that change the file system from being executed.
	ShellContextMenu	Automatically display the shell context menu.
	UseSystemStyles	Use the same styles as the Windows Explorer.
	Version	The version number of the ShellBrower controls.