privatevoid treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
if (treeView1.Nodes[0].Nodes[2].Nodes[0].IsSelected)
{
frmCuentasAltas frmCA = frmCuentasAltas.InstanciaSingleton();
frmCA.MdiParent = this.MdiParent;
frmCA.Show(Owner);
}
}