Name 

Description 

 

function Add: TJamShellListColumn; overload; 

Create and adds a new TJamShellListColumn to the Collection.  

 

function Add(const pPid: integer): TJamShellListColumn; overload; 

Create and adds a new TJamShellListColumn to the Collection.  

 

procedure Clear; 

Clears all contained columns.  

 

procedure Delete(Index: Integer); overload; 

Deletes the column at the passed position.  

 

procedure Delete(const pShellColumnId: TShellColumnId); overload; 

Deletes the column with the passed TShellColumnId. If it doesn't exist nothing happens.  

 

function GetColumnBySHColumnId(p_ShColId: TShellColumnID): TJamShellListColumn; 

Finds the TJamShellListColumn with the passed TShellColumnId  

 

function GetColumnByShellIndex(p_ShellIndex: integer): TJamShellListColumn; 

Finds the TJamShellListColumn with the passed ShellIndex  

 

function HasCustomColumns: boolean; 

Checks if there are custom columns in the collection  

 

function IsCustomColumn(p_Index: integer): Boolean; 

Returns true if the column with the passed index exists and is a custom column and no shell column.  

 

function Owner: TJamBaseShellListView; 

Retreives the owner of the collection.  

 

function Show(const pShellColumnId: TShellColumnId): TJamShellListColumn; 

Displays the column with the passed TShellColumnId at its default position if not yet available.  

 

function ToString: string; override; 

Returns short information of the columns contained in the collection.  

 

Name 

Description 

 

property Items [Index: Integer]: TJamShellListColumn read GetItem write SetItem; 

Retreives columns by index.  

 

property ShellColumns [pShellColumnId: TShellColumnId]: TJamShellListColumn read GetColumnBySHColumnId; 

Returns the TJamShellListColumn with the passed TShellColumnId  

 

property UpdateCount; 

Counter indicating if the columns are currently being updated.