private void tree_MouseHover(object sender, EventArgs e) { TreeNodeAdv currentNode = tree.CurrentNode; TooltipProvider tool = new TooltipProvider(); nodeTextBox.ToolTipProvider = tool; nodeCheckBox.ToolTipProvider = tool; if (currentNode != null) { nodeTextBox.GetToolTip(currentNode); nodeCheckBox.GetToolTip(currentNode); //SetSelectedStatusSrc(); } }