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Jam.Shell.ViewSettings.TJamShellColumnProvider
Jam.Shell.ViewSettings  Legend  Members  Example  IJamShellColumnProvider Methods

Provides default system information about shell columns.

Class Hierarchy
Jam_Shell_ViewSettings_TJamShellColumnProviderJam_Shell_ViewSettings_TJamShellColumnProvider
Syntax
Pascal
TJamShellColumnProvider = class(TInterfacedObject, IJamShellColumnProvider);
Example

The following example shows how to retrieve the default columns of "This PC": 

  var
    lFolder: IItemIdList;
    lColumnProvider: IJamShellColumnProvider;
    lColumns: TArray<TShellColumnId>;
    lColumn: TShellColumnId;
    lColumnInfo: TColumnInfo;
  begin
    lFolder := TJamItemIdList.CreateForSpecialFolder(SF_DRIVES);
    lColumnProvider := TJamShellColumnProvider.Create;
    lColumns := lColumnProvider.GetColumns(lFolder, False);

    // Get specific column information
    for lColumn in lColumns do
      lColumnInfo := lColumnProvider.GetColumnInfo(lFolder, lColumn);
  end;
Namespace
IJamShellColumnProvider Methods
 
Name 
Description 
 
function GetColumnInfo(const pFolder: IItemIdList; const pShellColumnId: TShellColumnId): TColumnInfo; 
Retrieves default column information for a specified shell column inside a folder.  
 
function GetColumns(const pFolder: IItemIdList; pAll: Boolean): TArray<TShellColumnId>; 
Retrieves shell columns of a specified folder.  
Jam.Shell.ViewSettings.TJamShellColumnProvider
 
Name 
Description 
 
function GetColumnInfo(const pFolder: IItemIdList; const pShellColumnId: TShellColumnId): TColumnInfo; overload; 
Retrieves default column information for a specified shell column inside a folder.  
 
class function GetColumnInfoFromPropertySystem(const pShellColumn: TShellColumnId): TColumnInfo; static; 
Returns information about alignment, visibility and width of a Shell column using the property system.  
 
function GetColumns(const pFolder: IItemIdList; pAll: Boolean): TArray<TShellColumnId>; overload; 
Retrieves shell columns of a specified folder.  
 
function GetColumns(const pShellView: IShellView; pAll: Boolean): TArray<TShellColumnId>; overload; 
Retrieves shell columns from a specified shell view.  
 
class function GetProperties: TArray<TShellColumnId>; 
Retrieves all available properties.  
 
class function ReadColumnInfo(const pFolder: IItemIdList; const pShellColumnId: TShellColumnId): TColumnInfo; 
Retrieves column information for the passed folder from the shell.  
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