public static ToneNameData1 ToToneNameData1(this ToneNameEnum tone)
{
if (tone == ToneNameEnum.NotSet)
{
return(ToneNameData1.NotSet);
}
return((ToneNameData1)(ToneNameData1.BaseValue.ToInt() + tone.ToInt()));
}
public static ToneNameEnum PreviousSemiNote(this ToneNameEnum tone)
{
var prev = tone.ToInt() - 1;
if (prev < 0)
{
prev = ToneNameEnum.Eb.ToInt();
}
return((ToneNameEnum)prev);
}
public static ToneNameEnum NextSemiNote(this ToneNameEnum tone)
{
var next = tone.ToInt() + 1;
if (next > ToneNameEnum.Eb.ToInt())
{
next = ToneNameEnum.E.ToInt();
}
return((ToneNameEnum)next);
}
