Initial

PdfMarker/Models/BalloonVm.cs

@@ -0,0 +1,12 @@
+namespace PdfMarker.Models;
+
+public class BalloonVm
+{
+    public int Number { get; set; }
+
+    // per dopo
+    public double? X { get; set; }
+    public double? Y { get; set; }
+    public string? Description { get; set; }
+    public bool Selected { get; set; }
+}