private void buttonDeviceAddress_Click(object sender, EventArgs e) { DeviceAddressForm device = new DeviceAddressForm(); device.textBoxAVAddress.Text = Settings.Default.AVGPIBAddress; device.textBoxOSCAddress.Text = Settings.Default.OSCGPIBAddress; device.ShowDialog(); if (device.DialogResult == DialogResult.OK) { Settings.Default.AVGPIBAddress = device.textBoxAVAddress.Text; Settings.Default.OSCGPIBAddress = device.textBoxOSCAddress.Text; } }