feat: #169 添加成都双流机场次要看板

CRSim.ScreenSimulator/Converters/IntAddOneConverter.cs

@@ -0,0 +1,22 @@
+using System.Globalization;
+using System.Windows.Data;
+
+namespace CRSim.ScreenSimulator.Converters
+{
+    public class IntAddOneConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value is int intValue)
+                return intValue + 1;
+            return value;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value is int intValue)
+                return intValue - 1;
+            return value;
+        }
+    }
+}