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Common/DTS.CommonCore/Converters/ArrayVisibilityConverter.cs

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+using System;
+using System.Collections;
+using System.Windows;
+using System.Windows.Data;
+
+namespace DTS.Common.Converters
+{
+    /// <summary>
+    /// simple converter that converts array or lists so visible or hidden
+    /// </summary>
+    public class ArrayVisibilityConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            if( null == value ){ return Visibility.Hidden; }
+            if( value is IList list ){ return list.Count > 0 ? Visibility.Visible : Visibility.Collapsed; }
+
+            if (value is Array array)
+            {
+                return array.Length > 0 ? Visibility.Visible : Visibility.Collapsed;
+            }
+
+            return Visibility.Visible;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            return null;
+        }
+    }
+}