TCustomListView

type TCustomListView = class(TWinControl)

protected

  procedure ItemDeleted();

ItemDeleted - the specified listitem is removed from the list

  procedure ItemInserted();

ItemInserted - the specified item is inserted into the list

protected

  class procedure WSRegisterClass; override;

WSRegisterClass - Register this Class for the current Widget Set

  class function GetControlClassDefaultSize; override;

protected

  procedure InitializeWnd; override;

InitializeWnd - calls inherited method, then sets various local properties

  procedure FinalizeWnd; override;

FinalizeWnd stores the list origin then calls inherited method

  procedure DestroyWnd; override;

DestroyWnd - destroy the window for this control

  procedure BeginAutoDrag; override;

Start the AutoDrag process.

  procedure Change(); virtual;

Change - Internal procedure to simulate the OnChange event

  procedure ColClick(); virtual;

ColClick - procedure to simulate the OnColumnClick event.

  procedure Delete();

Delete an Item from the List

  procedure DoDeletion(); virtual;

DoDeletion - performs the actual deletion

  procedure DoInsert(); virtual;

Performs the insertion

  procedure DoItemChecked();

  procedure DoSelectItem(); virtual;

DoSelectItem - perform item selection

  procedure InsertItem();

Insert an Item into the List

  procedure ImageChanged();

ImageChanged - procedure to signal that an image has chnaged

  procedure Loaded; override;

Loaded makes a number of checks, using client size if specified, and copying appropriate flags, fonts, text etc, makes list of child controls to notify them of any changes, then calls inherited Loaded

  function IsCustomDrawn(); virtual;

IsCustomDrawn - returns True if a target has been custom drawn

  function CustomDraw(); virtual;

CustomDraw - performs custom drawing in the given rectangle, and returns True if successful

  function CustomDrawItem(); virtual;

CustomDrawItem - custom draws the specified item, and returns True if successful

  function CustomDrawSubItem(); virtual;

CustomDrawSubItem - custom draws the specified subitem, returning True if successful

  function IntfCustomDraw();

IntfCustomDraw - uses the interface to perform custom drawing and returns a result of drawing

  function GetUpdateCount;

  procedure DoGetOwnerData(); virtual;

  property AllocBy: Integer; [rw]

AllocBy - allocate the list by a value

  property ColumnClick: Boolean; [rw]

ColumnClick - determines if the OnColumnClick event will be executed.

  property Columns: TListColumns; [rw]

Columns - define and change the columns of a ListView

  property DefaultItemHeight: Integer; [rw]

DefaultItemHeight - sets or reads the default height for an item on the list

  property HideSelection: Boolean; [rw]

HideSelection - if True, the selected item is to be hidden

  property HoverTime: Integer; [rw]

HoverTime - the time for which the mouse must hover over the item before its help message is displayed

  property LargeImages: TCustomImageList; [rw]

LargeImages - an ImageList to be used in association with the list of Items

  property OwnerDraw: Boolean; [rw]

OwnerDraw - if True, the Owner's Draw method is to be used

  property ScrollBars: TScrollStyle; [rw]

ScrollBars - the kind of scrollbars to be used: none, auto, horizontal or vertical

  property ShowColumnHeaders: Boolean; [rw]

ShowColumnHeaders - whether headers for columns are to be displayed

  property ShowWorkAreas: Boolean; [rw]

ShowWorkAreas - if True, the work areas are to be displayed

  property SmallImages: TCustomImageList; [rw]

SmallImages - an ImageList of small images (icons) to be used in association with the list of Items

  property SortType: TSortType; [rw]

SortType - whether to sort by text, by data, both or not at all

  property SortColumn: Integer; [rw]

SortColumn - the column that is being sorted

  property StateImages: TCustomImageList; [rw]

StateImages - an imagelist of icons to demonstrate the state of a process or event

  property ToolTips: Boolean; [rw]

ToolTips - whether Popup tool tips are to be shown

  property ViewStyle: TViewStyle; [rw]

ViewStyle - whether to view as a simple list, a list with large or small icons, or as a report

  property OnChange: TLVChangeEvent; [rw]

OnChange - event handler for a change in the list

  property OnColumnClick: TLVColumnClickEvent; [rw]

OnColumnClick - event handler for clicking on a coulmn

  property OnCompare: TLVCompareEvent; [rw]

OnCompare - event handler for comparing list items

  property OnData: TLVDataEvent; [rw]

  property OnDeletion: TLVDeletedEvent; [rw]

OnDeletion - event handler for deleting a list item

  property OnInsert: TLVInsertEvent; [rw]

OnInsert - event handler for inserting list item

  property OnItemChecked: TLVCheckedItemEvent; [rw]

  property OnSelectItem: TLVSelectItemEvent; [rw]

OnSelectItem - event handler for list item selection

  property OnCustomDraw: TLVCustomDrawEvent; [rw]

OnCustomDraw - event handler for custom drawing

  property OnCustomDrawItem: TLVCustomDrawItemEvent; [rw]

OnCustomDrawItem - event handler for custom drawing an item

  property OnCustomDrawSubItem: TLVCustomDrawSubItemEvent; [rw]

OnCustomDrawSubItem - event handler for custom drawing a subitem

  property OnAdvancedCustomDraw: TLVAdvancedCustomDrawEvent; [rw]

OnAdvancedCustomDraw - event handler for advanced custom drawing

  property OnAdvancedCustomDrawItem: TLVAdvancedCustomDrawItemEvent; [rw]

OnAdvancedCustomDrawItem - event handler for advanced custom drawing item

  property OnAdvancedCustomDrawSubItem: TLVAdvancedCustomDrawSubItemEvent; [rw]

OnAdvancedCustomDrawSubItem - event handler for advanced custom drawing subitem

public

  constructor Create(); override;

Create - constructor for TCustomListView: calls inherited Create then initialises columns, the list of items, the canvas and properties and some formats and styles

  destructor Destroy; override;

Destroy - destructor for TCustomListView: frees Canvas, calls inherited Destroy and frees columns, links and list items

  procedure BeginUpdate;

BeginUpdate - start updating the list view

  procedure Clear;

Clear - the stringlist

  procedure EndUpdate;

EndUpdate - finish updating the list view

  function FindCaption();

FindCaption- search for and return the list item that contains the nominated caption

  function GetHitTestInfoAt();

  function GetItemAt();

GetItemAt - find and return the list item at the specified coordinates

  property BoundingRect: TRect; [r]

BoundingRect - the coordinates of the rectangle containing the ListView

  property BorderStyle;

BorderStyle - none, or single

  property Canvas: TCanvas; [r]

Canvas - defines the area on which all graphic material is drawn (Read-only)

  property Checkboxes: Boolean; [rw]

CheckBoxes - determines if the ListView shows checkboxes beside the items on the list

  property Column: TListColumn; [r]

Column - reads the column information of the listview.

  property ColumnCount: Integer; [r]

  property DropTarget: TListItem; [rw]

DropTarget - location where an item from the list is to be dropped

  property FlatScrollBars: Boolean; [rw]

FlatScrollBars - whether the scroll bars are to be displayed flat (default False)

  property FullDrag: Boolean; [rw]

FullDrag - if True, the full object is dragged

  property GridLines: Boolean; [rw]

Whether GridLines are to be shown

  property HotTrack: Boolean; [rw]

HotTrack - the property whereby the item under the mouse pointer becomes emphasised

  property HotTrackStyles: TListHotTrackStyles; [rw]

The HotTrackStyles available for this control

  property IconOptions: TIconOptions; [rw]

  property ItemFocused: TListItem; [rw]

ItemFocused - the item currently receiving focus

  property ItemIndex: Integer; [rw]

  property Items: TListItems; [rw]

Items - the list of entries in the list. Held as a linked list with a cached index of the last accessed item

  property MultiSelect: Boolean; [rw]

MultiSelect - enables the selection of more than one entry from Items - by pressing SHIFT or CTRL keys while selecting

  property OwnerData: Boolean; [rw]

OwnerData - if True, the Owner's data are to be displayed

  property ReadOnly: Boolean; [rw]

ReadOnly - determines if the list can only be read, and not written or deleted.

  property RowSelect: Boolean; [rw]

RowSelect - whether the user can select rows of items (across columns). Default false

  property SelCount: Integer; [r]

SelCount - the number of items selected

  property Selected: TListItem; [rw]

Selected - the current list item that has been selected

  property TabStop;

Is the control in the sequence of controls accessed by successive presses of the Tab key?

  property TopItem: TListItem; [r]

TopItem - the first item on the list

  property ViewOrigin: TPoint; [rw]

ViewOrigin - the top left coordinate for the current view

  property VisibleRowCount: Integer; [r]

VisibleRowCount - the number of rows visible in the current view (some items might have scrolled outside the window)

end;

TCustomListView

TCustomListView - the base class for TListView

TWinControl

TControl

TLCLComponent

TLCLComponent - base class for LCL components

TComponent,IUnknown,IInterfaceComponentReference

TPersistent

TObject