private void selectionTimer_Tick(Object sender, EventArgs e) {
if (MouseButtons != MouseButtons.Left) {
(sender as F.Timer)?.Stop();
OnSelectionChanged();
KeyJumpTimerDone?.Invoke(this, EventArgs.Empty);
}
if (this._ItemForRename != this.GetFirstSelectedItemIndex() && !this.IsRenameInProgress) {
(sender as F.Timer)?.Stop();
this.EndLabelEdit();
}
}