private void btnPreview_Click(object sender, EventArgs e)
{
float startFreq;
float endFreq;
if (!float.TryParse(txtStartFreq.Text.Trim( ), out startFreq))
{
MessageBox.Show("Invalidate start frequency!");
return;
}
if (!float.TryParse(txtEndFreq.Text.Trim( ), out endFreq))
{
MessageBox.Show("Invalidate end frequency!");
return;
}
if (startFreq >= endFreq)
{
MessageBox.Show("The start frequency must be smaller than the end frequency!");
return;
}
//Change the unit of frequency
startFreq = FrequencyFormator.ChangedUnit(startFreq, (FrequencyFormator.FrequencyUnit)cboFreqUnits.SelectedValue, FrequencyFormator.FrequencyUnit.Hz);
endFreq = FrequencyFormator.ChangedUnit(endFreq, (FrequencyFormator.FrequencyUnit)cboFreqUnits.SelectedValue, FrequencyFormator.FrequencyUnit.Hz);
if (rbAp.Checked)
{
parentForm.ResultLoadedAlarm(fft.GetAmpPhaseData(startFreq, endFreq));
}
if (rbRi.Checked)
{
parentForm.ResultLoadedAlarm(fft.GetRealImageData(startFreq, endFreq));
}
}
private void cboFreqUnits_SelectedIndexChanged(object sender, EventArgs e)
{
float freq = FrequencyFormator.ChangedUnit(fft.Step, FrequencyFormator.FrequencyUnit.Hz, (FrequencyFormator.FrequencyUnit)cboFreqUnits.SelectedValue);
this.txtFreqStep.Text = freq.ToString( );
}