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Common/DTS.Common/.svn/pristine/26/2689b7f6efe909b85d74d8397528bfd4d4c614ac.svn-base

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+using System;
+using System.Windows.Data;
+using System.Windows;
+
+namespace DTS.Common.Converters
+{
+    public class VisibilityToRowHeightConverter : DependencyObject, IValueConverter
+    {
+        /// <summary>
+        /// inverts the source prior to conversion
+        /// </summary>
+        public bool InvertSource
+        {
+            get => (bool)GetValue(InvertSourceProperty);
+            set => SetValue(InvertSourceProperty, value);
+        }
+        public static readonly DependencyProperty InvertSourceProperty =
+            DependencyProperty.Register("InvertSource", typeof(bool), typeof(VisibilityToRowHeightConverter), new PropertyMetadata(false));
+
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            if (value is Visibility vis)
+            {
+                if (InvertSource)
+                {
+                    switch (vis)
+                    {
+                        case Visibility.Visible:
+                            vis = Visibility.Collapsed;
+                            break;
+                        case Visibility.Hidden:
+                        case Visibility.Collapsed:
+                            vis = Visibility.Visible;
+                            break;
+                    }
+                }
+                if (vis == Visibility.Collapsed)
+                {
+                    return 0;
+                }
+            }
+
+            //return parameter;
+            return parameter ?? 0;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            return null;
+        }
+    }
+}