Thread t1 = new Thread(() => ThreadRun(tr,rt));
t1.Start();
private void ThreadRun(TreeView tr, RTBContextMenu rt)
{
bool temp = true;
int idex = -1;
while (temp)
{
if (rt.GetIsShow() == false)
{
idex = rt.GetIdex();
tr.Dispatcher.BeginInvoke(new Action(() =>
{
}));
temp = false;
}
else
Thread.Sleep(20);
}
}