private void insertarToolStripMenuItem_Click(object sender, EventArgs e)
{
if (insertTwitter == null)
{
insertTwitter = new InsertarTwitter(negocio);
insertTwitter.MdiParent = this;
insertTwitter.Dock = DockStyle.Fill;
insertTwitter.FormClosed += new FormClosedEventHandler(cerrarInsertTwitter);
insertTwitter.Show();
}
else
{
insertTwitter.Activate();
}
}
private void cerrarInsertTwitter(object sender, EventArgs e)
{
insertTwitter = null;
}