I did not find the answer I was looking for, but somehow I did it the way I wanted.
I used to try to set up the prompt as follows:
private void treeView1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
TreeNode node = treeView1.GetNodeAt(e.X, e.Y);
if (node != null)
{
string text = GetNodeTooltip(node);
string currentText = toolTip1.GetToolTip(treeView1);
if (text.Equals(currentText) == false)
{
toolTip1.SetToolTip(treeView1, text);
}
}
else
{
toolTip1.SetToolTip(tree, string.Empty);
}
}
else
{
toolTip1.SetToolTip(tree, string.Empty);
}
}
treeView1.ShowNodeToolTips=true, node, TreeNode.ToolTipText .