private void button4_Click(object sender, EventArgs e)
{
AD9958 selectedDDS = ddsList[deviceListBox.SelectedIndex];
double startSlope = 100;
double slopeIncr = 100;
List <double> slopes = new List <double>();
selectedDDS.SetLinearSweep(2, 50e6, 60e6, 2e-6, 10e3);
selectedDDS.SetDifferentialSweep(startSlope);
for (int k = 0; k < 10; k++)
{
slopes.Add(startSlope + k * slopeIncr);
}
selectedDDS.SetDifferentialSweepList(slopes.ToArray());
}