//显示子窗体 /// <summary> /// 显示子窗体 /// </summary> private void ShowChildForm() { var selectedNode = treeMenu.SelectedNode; if (selectedNode == null || selectedNode.Level != 1 || (selectedNode.Tag as ViewRight) == null) { return; } var tagEngity = selectedNode.Tag as ViewRight; var frmChild = RightMenuUI.GetMenuForm(tagEngity); if (frmChild == null) { return; } frmChild.MdiParent = this; frmChild.Show(); }