plt.AddSignal(DataGen.Sin(51, mult: 5));
plt.AddSignal(DataGen.Cos(51, mult: 5));

var hLine = plt.AddHorizontalLine(2);
hLine.DragEnabled = true;
hLine.DragSnapY = new ScottPlot.SnapLogic.NearestInteger();

var vLine = plt.AddVerticalLine(30);
vLine.DragEnabled = true;
var snapPositions = DataGen.Consecutive(11, 5D);
vLine.DragSnapX = new ScottPlot.SnapLogic.NearestPosition(snapPositions);

// class CustomSnap : ISnap
// {
//     // Snap to nearest integer divisible by 3
//     public double Snap(double value)
//     {
//         var rounded = (int)Math.Round(value);
//         var distanceToDivisibleBy3 = rounded % 3;
//         return distanceToDivisibleBy3 switch
//         {
//             0 => rounded,
//             1 => rounded - 1,
//             _ => rounded + 1
//         };
//     }
// }

plt.AddSignal(DataGen.Sin(51, mult: 5));
plt.AddSignal(DataGen.Cos(51, mult: 5));

var hLine = plt.AddHorizontalLine(2);
hLine.DragEnabled = true;
hLine.DragSnapY = new NearestInteger();

var vLine = plt.AddVerticalLine(30);
vLine.DragEnabled = true;
vLine.DragSnapX = new CustomSnap();