JamSystemShellView.TJamShellViewColumns

Contains a set of TJamShellViewColumn inside a IShellView. Only compatible with Windows Vista and later!

Syntax

Pascal

TJamShellViewColumns = class(TObjectList<TJamShellViewColumn>);

Remarks

Those columns are displayed in the TJamSystemShellView when using the TJamSystemShellView.ViewStyle vmDetails. Only compatible with Windows Vista and later!

See Also

TJamSystemShellView

Example

The following example shows how to retrieve the underlying TShellColumnIds (used by Windows) in the current folder.

  for i := 0 to JamSystemShellView.Columns.Count - 1 do
    if JamSystemShellView.Columns[i].Visible then
      // Do something with shell column
      JamSystemShellView.Columns[i].ShellColumnId;

Namespace

JamSystemShellView

Public Methods

	Name	Description
	constructor Create(pOwner: TJamShellControl);	Constructor for a TJamShellViewColumns instance.
	destructor Destroy; override;	Destructor for a TJamShellViewColumns instance.

TJamShellViewColumns Methods

	Name	Description
	function Add(pShellColumnId: TShellColumnId): Integer; overload;	Adds a single TShellColumnId item to the list.
	procedure AddShellColumnIds(const pShellColumnIds: array of TShellColumnId);	Adds a range of TShellColumnId items to the list.
	procedure AutoSize;	Resizes all visible columns to the auto-size width.
	function Contains(const pShellColumnId: TShellColumnId): Boolean; overload;	Checks if a TShellColumnId item exists in the list.
	procedure DefaultSize;	Resizes all visible columns to the default-size width.
	procedure GetStrings(var pList: TStrings; pAll: Boolean = True);	Gets the captions of the columns that are shown/available in the current view in their order of appearance as TStrings.
	function Hide(pShellColumnId: TShellColumnId): Boolean;	Hides the specified column.
	procedure Insert(pIndex: Integer; const pShellColumnId: TShellColumnId); overload;	Inserts a single TShellColumnId item into the list.
	procedure InsertShellColumnIds(pIndex: Integer; const pShellColumnIds: array of TShellColumnId);	Inserts a range of TShellColumnId items into the list.
	procedure Move(pCurIndex: Integer; pNewIndex: Integer);	Moves a single TJamShellViewColumn item inside the list.
	procedure Refresh;	Refreshes the internal column list.
	function Remove(pShellColumnId: TShellColumnId): Integer; overload;	Removes the specified column.
	procedure Save;	Commits visual column changes in the current IShellView.
	function Show(pShellColumnId: TShellColumnId): Boolean;	Shows the specified column.

TJamShellViewColumns Properties

	Name	Description
	property SortBy: TShellColumnId read GetSortBy write SetSortBy;	Gets or sets the column the view is sorted by.
	property SortDirection: TJamSortDirection read GetSortDirection write SetSortDirection;	Gets or sets the sort direction of the current view.
	property VisibleCount: Cardinal read GetVisibleCount;	Gets the count of the visible sort colums.

Links

JamSystemShellView, Legend, Members, Public Methods, Example, TJamShellViewColumns Methods, TJamShellViewColumns Properties, See Also

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