ES-975464 - Resolve the ReadMe issue in this sample repository#2

SreemonPremkumarM wants to merge 2 commits intomasterSyncfusionExamples/How-to-programmatically-expand-the-root-nodes-in-winforms-treeviewadv-:masterfrom

ES-975464SyncfusionExamples/How-to-programmatically-expand-the-root-nodes-in-winforms-treeviewadv-:ES-975464Copy head branch name to clipboard