private void DeselectButtonClick(object sender, EventArgs e) { object[] os = new object[selectedListBox.SelectedItems.Count]; selectedListBox.SelectedItems.CopyTo(os, 0); foreach (object o in os) { selectedListBox.Items.Remove(o); } foreach (object o in os) { MultiListSelector.AllListBox.Items.Add(o); } MultiListSelector.SelectionHasChanged(this, e); }
protected override bool ProcessCmdKey(ref Message msg, Keys keyData) { switch (keyData) { case Keys.Control | Keys.A: Control c = GetChildAtPoint(Cursor.Position); if (c != null) { if (c.Equals(selectedListBox)) { MultiListSelector.SelectAll(selectedListBox); } } Invalidate(true); break; } return(base.ProcessCmdKey(ref msg, keyData)); }