public static frmVeiculos GetChild(mdiPrincipal parent = null) { if (_childInstance == null) { _childInstance = new frmVeiculos(); _childInstance.MdiParent = parent; } return(_childInstance); }
private void btnVeiculos_Click(object sender, EventArgs e) { frmVeiculos frm = frmVeiculos.GetChild(this); frm.Show(); }