private void tsbUsuario_Click(object sender, EventArgs e)
{
wfFormularioUsuario MDI_FormUsuario = new wfFormularioUsuario();
MDI_FormUsuario.MdiParent = this;
MDI_FormUsuario.Show();
}
private void fileToolStripMenuItem_Click(object sender, EventArgs e)
{
wfFormularioUsuario child = new wfFormularioUsuario();
child.MdiParent = this;
child.Show();
}