private void cadastrarUsuáriosToolStripMenuItem_Click(object sender, EventArgs e)
{
Form_Cadastro form_cadastrousuario = new Form_Cadastro();
form_cadastrousuario.MdiParent = this;
form_cadastrousuario.Show();
}
private void llbCadastroUsuario_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
Form_Cadastro form_cadastro = new Form_Cadastro();
form_cadastro.Show();
}