private void vfoFrequencyEdit_FrequencyChanging(object sender, FrequencyChangingEventArgs e)
{
if ((SourceIsWaveFile || SourceIsSoundCard))
{
if (!_initializing)
{
if (e.Frequency > _centerFrequency + _vfo.SampleRate * 0.5f + _frequencyShift)
{
e.Frequency = (long) (_centerFrequency + _vfo.SampleRate * 0.5f + _frequencyShift);
}
else if (e.Frequency < _centerFrequency - _vfo.SampleRate * 0.5f + _frequencyShift)
{
e.Frequency = (long) (_centerFrequency - _vfo.SampleRate * 0.5f + _frequencyShift);
}
if (SourceIsSoundCard)
{
waterfall.CenterFrequency = _frequencyShift;
spectrumAnalyzer.CenterFrequency = _frequencyShift;
}
}
return;
}
var delta = e.Frequency - vfoFrequencyEdit.Frequency;
var lowerMargin = (e.Frequency - _vfo.Bandwidth * 0.5f) - (_centerFrequency - 0.5f * _vfo.SampleRate + _frequencyShift);
var upperMargin = (_centerFrequency + 0.5f * _vfo.SampleRate + _frequencyShift) - (e.Frequency + _vfo.Bandwidth * 0.5f);
if ((Math.Abs(delta) > _centerScrollLimit && _changingFrequencyByScroll) || (Math.Abs(delta) > _centerScrollLimit && !_changingFrequencyByDirectSelection) || (delta < 0 && lowerMargin < 0) || (delta > 0 && upperMargin < 0))
{
if (!_changingFrequency && !_initializing)
{
_changingFrequency = true;
SetCenterFrequency(_centerFrequency + delta);
_changingFrequency = false;
}
}
}
private void vfoFrequencyEdit_FrequencyChanging(object sender, FrequencyChangingEventArgs e)
{
if (this._initializing)
return;
if (!this.SourceIsTunable)
{
if ((double) e.Frequency > (double) this._centerFrequency + this._vfo.SampleRate * 0.5 + (double) this._frequencyShift)
e.Frequency = (long) ((double) this._centerFrequency + this._vfo.SampleRate * 0.5 + (double) this._frequencyShift);
else if ((double) e.Frequency < (double) this._centerFrequency - this._vfo.SampleRate * 0.5 + (double) this._frequencyShift)
e.Frequency = (long) ((double) this._centerFrequency - this._vfo.SampleRate * 0.5 + (double) this._frequencyShift);
if (!this.SourceIsSoundCard)
return;
this.waterfall.CenterFrequency = this._frequencyShift;
this.spectrumAnalyzer.CenterFrequency = this._frequencyShift;
}
else
{
long frequency = e.Frequency;
long num1 = frequency - this.vfoFrequencyEdit.Frequency;
double num2 = (double) frequency - (double) this._vfo.Bandwidth * 0.5 - ((double) this._centerFrequency - 0.5 * this._vfo.SampleRate + (double) this._frequencyShift);
double num3 = (double) this._centerFrequency + 0.5 * this._vfo.SampleRate + (double) this._frequencyShift - ((double) frequency + (double) this._vfo.Bandwidth * 0.5);
if ((this._tuningStyle != MainForm.TuningStyle.Center && this._tuningStyle != MainForm.TuningStyle.Sticky || !this._changingFrequencyByScroll) && (this._tuningStyle != MainForm.TuningStyle.Center && this._tuningStyle != MainForm.TuningStyle.Sticky || this._changingFrequencyByDirectSelection) && ((num1 >= 0L || num2 >= 0.0) && (num1 <= 0L || num3 >= 0.0)) || this._changingFrequency)
return;
this._changingFrequency = true;
this.SetCenterFrequency(this._centerFrequency + num1);
this._changingFrequency = false;
}
}
