TdxListItems Class

A list item collection.

Declaration

delphi

TdxListItems = class(
    TPersistent
)

Remarks

The TdxListItems class members allow you to do the following:

Add items (Add and Insert).
Delete items (Delete and Clear).
Count items (Count).
Access items (Items and GetItemAtPos).
Obtain an item’s index in the collection (IndexOf).
Access the collection’s owner (ListView).
Manage List View updates (BeginUpdate and EndUpdate).

The List View’s Items property references a TdxListItems object.

Example

The following code checks all items in the List View control:

Delphi
Delphi (Alternative)
C++
C++ (Alternative)

delphi

var
  AItem: TdxListItem;
begin
  dxListViewControl1.BeginUpdate;
  for AItem in dxListViewControl1.Items do
    AItem.Checked := True;
  dxListViewControl1.EndUpdate;
end;

delphi

var
  I: Integer;
  AItem: TdxListItem;
begin
  dxListViewControl1.BeginUpdate;
  for I := 0 to dxListViewControl1.Items.Count - 1 do
    begin
      AItem := dxListViewControl1.Items[I];
      AItem.Checked := True;
    end;
  dxListViewControl1.EndUpdate;
end;

cpp

dxListViewControl1->BeginUpdate(); 
for (TdxListItem *AItem : dxListViewControl1->Items)
  AItem->Checked = true;
dxListViewControl1->EndUpdate();

cpp

TdxListItem *AItem;
dxListViewControl1->BeginUpdate();
for (int I = 0; I < dxListViewControl1->Items->Count; I++)
{
  AItem = dxListViewControl1->Items->Items[I];
  AItem->Checked = true;
}
dxListViewControl1->EndUpdate();

Note

A List View control shows item checkboxes if the control’s Checkboxes property is set to True.

Inheritance

TObject TPersistent TdxListItems