сохранение фокуса выделенного элемента ListView

[123456789igor]

Есть следующий код. В listview добавляются процессы. Данный метод вызывается каждые 3 секунды с помощью таймера. Как сделать так, что бы после обновления фокус оставался на выделенном элементе, если он ещё есть и положение скролла сохранялось? Все подобные темы пересмотрел но так и не получилось решить проблему.

Код: Выделить всё

private void UpdateProcessList()
        {
            listView1.Items.Clear();
            foreach (System.Diagnostics.Process p in System.Diagnostics.Process.GetProcesses())
            {
                try
                {
                    int index = listView1.Items.Add(p.ProcessName).Index;
                    listView1.Items[index].SubItems.Add(p.Id.ToString());
                    listView1.Items[index].SubItems.Add(p.StartTime.ToShortTimeString());
                    long temp = p.WorkingSet64 / 1024;
                    listView1.Items[index].SubItems.Add(temp.ToString()+" КБ");
                }
                catch { }
            }
        }

[Eugie]

1. Добавьте обработчик события ListView.SelectedIndexChanged, в нем запоминайте текущее знечение свойства SelectedIndices:

Код: Выделить всё

        // статическая переменная 
	static ListView.SelectedIndexCollection fSelIndices;

        //...
	private void listView1_SelectedIndexChanged_UsingItems(
		object sender, System.EventArgs e)
	{

		fSelIndices = this.listView1.SelectedIndices;
                //...
	}

2. В UpdateProcessList добавьте код, восстанавливающий выбор элементов списка:

Код: Выделить всё

	private void UpdateProcessList()
        {
		// ...
		foreach (int index in fSelIndices)
			listView1.Items[index].Selected = true;
                // необходимо выбрать сам ListView, чтобы сработало выделение элементов (либо задать свойство HideSelection=false)
		listView1.Select();
		
        }

3. По аналогичной схеме можно сохранять и восcтанавливать позицию прокрутки.

[Nosebubre]

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