} /* LocateClassTreeNode */ private void ClassTree_AfterSelect(object sender, TreeViewEventArgs e) { if (e == null) { return; } if (updateRunning) { ClassTree.SelectedNode = LocateClassTreeNode(selectedClass.Name, ClassTree.Nodes); return; } if (ChangesMade()) { DialogResult dr = MessageBox.Show("Do you want to loose changes that were made ?", "Changes Made", MessageBoxButtons.YesNo); if (dr == DialogResult.No) { ClassTree.SelectedNode = LocateClassTreeNode(selectedClass.Name, ClassTree.Nodes); return; } } origParent = null; addingNewClass = false; deletingExistingClass = false; String className = e.Node.Text; selectedClass = classes.LookUpByName(className); if (selectedClass == null) { MergeCheckBox.Enabled = false; DeleteButton.Enabled = false; UpdateButton.Enabled = false; return; } origParent = selectedClass.Parent; EnableAllFields(); if (selectedClass.Parent == null) { MergeCheckBox.Enabled = false; DeleteButton.Enabled = false; UpdateButton.Enabled = false; } PopulateClassMaintenancePanel(selectedClass); } /* ClassTree_AfterSelect */