البحث ضمن TTreeView - نسخة قابلة للطباعة

كود :
// Search a TreeItem through its Text property
// Return value is a TreeNodeObject

function Form1.TreeItemSearch(TV: TTreeView; SucheItem: string): TTreeNode;
var
  i: Integer;
  iItem: string;
begin
  if (TV = nil) or (SucheItem = '') then Exit;
  for i := 0 to TV.Items.Count - 1 do 
  begin
    iItem := TV.Items[i].Text;
    if SucheItem = iItem then 
    begin
      Result := TV.Items[i];
      Exit;
    end 
    else 
    begin
      Result := nil;
    end;
  end;
end;


//  Example: Search for Wasserfall in TreeView1 and select item

procedure TForm1.Button1Click(Sender: TObject);
var
  Node: TTreeNode;
begin
  //either
  Node := TreeItemSuchen(TreeView1, 'Wasserfall');
  TreeView1.Selected := Node;

  //or 
  TreeView1.Selected := TreeItemSuchen(TreeView1, 'Wasserfall ');
end;